initial version

screw-core/src/main/java/cn/smallbun/screw/core/Configuration.java

@@ -0,0 +1,173 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core;
+
+import cn.smallbun.screw.core.engine.EngineConfig;
+import cn.smallbun.screw.core.process.ProcessConfig;
+import cn.smallbun.screw.core.util.Assert;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+
+import javax.sql.DataSource;
+import java.io.Serializable;
+
+/**
+ * Screw 配置入口
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on  2020/3/19
+ */
+@Data
+@NoArgsConstructor
+public class Configuration implements Serializable {
+
+    /**
+     * 组织
+     */
+    private String        organization;
+    /**
+     * url
+     */
+    private String        organizationUrl;
+    /**
+     * 标题
+     */
+    private String        title;
+    /**
+     * 版本号
+     */
+    private String        version;
+    /**
+     * 描述
+     */
+    private String        description;
+    /**
+     * 数据源，这里直接使用@see{@link DataSource}接口，好处就，可以使用任何数据源
+     */
+    private DataSource    dataSource;
+    /**
+     * 生成配置
+     */
+    private ProcessConfig produceConfig;
+    /**
+     * 引擎配置，关于数据库文档生成相关配置
+     */
+    private EngineConfig  engineConfig;
+
+    /**
+     * 构造函数
+     *
+     * @param title         {@link String} 标题
+     * @param organization  {@link String} 机构
+     * @param version       {@link String} 版本
+     * @param description   {@link String} 描述
+     * @param dataSource    {@link DataSource} 数据源
+     * @param produceConfig {@link ProcessConfig} 生成配置
+     * @param engineConfig  {@link EngineConfig} 生成配置
+     */
+    private Configuration(String organization, String organizationUrl, String title, String version,
+                          String description, DataSource dataSource, ProcessConfig produceConfig,
+                          EngineConfig engineConfig) {
+        Assert.notNull(dataSource, "DataSource can not be empty!");
+        Assert.notNull(engineConfig, "EngineConfig can not be empty!");
+        this.title = title;
+        this.organizationUrl = organizationUrl;
+        this.organization = organization;
+        this.version = version;
+        this.description = description;
+        this.dataSource = dataSource;
+        this.engineConfig = engineConfig;
+        this.produceConfig = produceConfig;
+    }
+
+    /**
+     * builder
+     *
+     * @return {@link Configuration.ConfigurationBuilder}
+     */
+    public static Configuration.ConfigurationBuilder builder() {
+        return new Configuration.ConfigurationBuilder();
+    }
+
+    @ToString
+    public static class ConfigurationBuilder {
+        private String        organization;
+        private String        organizationUrl;
+        private String        title;
+        private String        version;
+        private String        description;
+        private DataSource    dataSource;
+        private ProcessConfig produceConfig;
+        private EngineConfig  engineConfig;
+
+        ConfigurationBuilder() {
+        }
+
+        public Configuration.ConfigurationBuilder organization(String org) {
+            this.organization = org;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder organizationUrl(String orgUrl) {
+            this.organizationUrl = orgUrl;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder title(String title) {
+            this.title = title;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder version(String version) {
+            this.version = version;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder description(String description) {
+            this.description = description;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder dataSource(DataSource dataSource) {
+            this.dataSource = dataSource;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder produceConfig(ProcessConfig processConfig) {
+            this.produceConfig = processConfig;
+            return this;
+        }
+
+        public Configuration.ConfigurationBuilder engineConfig(EngineConfig engineConfig) {
+            this.engineConfig = engineConfig;
+            return this;
+        }
+
+        /**
+         * build
+         *
+         * @return {@link Configuration}
+         */
+        public Configuration build() {
+            return new Configuration(this.organization, this.organizationUrl, this.title,
+                this.version, this.description, this.dataSource, this.produceConfig,
+                this.engineConfig);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/Version.java

@@ -0,0 +1,41 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core;
+
+import java.io.Serializable;
+
+/**
+ * Screw Version
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/28 15:02
+ */
+public class Version implements Serializable {
+    private Version() {
+    }
+
+    /**
+     * 获取版本号
+     *
+     * @return {@link String} 版本号
+     */
+    public static String getVersion() {
+        Package pkg = Version.class.getPackage();
+        return (pkg != null ? pkg.getImplementationVersion() : null);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/constant/DefaultConstants.java

@@ -0,0 +1,106 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.constant;
+
+import java.io.Serializable;
+
+/**
+ * 默认常量
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/20 18:33
+ */
+public class DefaultConstants implements Serializable {
+    /**
+     * 名称
+     */
+    public static final String NAME                          = "screw";
+    /**
+     * 百分号
+     */
+    public static final String PERCENT_SIGN                  = "%";
+    /**
+     * 暂未支持
+     */
+    public static final String NOT_SUPPORTED                 = "Not supported yet!";
+
+    /**
+     * 默认字符集
+     */
+    public static final String DEFAULT_ENCODING              = "UTF-8";
+
+    /**
+     * 默认国际化
+     */
+    public static final String DEFAULT_LOCALE                = "zh_CN";
+    /**
+     * Mac
+     */
+    public static final String MAC                           = "Mac";
+    /**
+     * Windows
+     */
+    public static final String WINDOWS                       = "Windows";
+    /**
+     * 小数点0
+     */
+    public static final String ZERO_DECIMAL_DIGITS           = "0";
+    /**
+     * 默认描述
+     */
+    public static final String DESCRIPTION                   = "Database design documents";
+    /**
+     * mysql useInformationSchema
+     */
+    public static final String USE_INFORMATION_SCHEMA        = "useInformationSchema";
+    /**
+     * oracle 连接参数备注
+     */
+    public static final String ORACLE_REMARKS                = "remarks";
+    /**
+     * 日志开始
+     */
+    public static final String LOGGER_BEGINS                 = "Database design document generation begins 🚀";
+    /**
+     * 日志结束
+     */
+    public static final String LOGGER_COMPLETE               = "Database design document generation is complete , time cost:%s second 🎇";
+    /**
+     * 零
+     */
+    public static final String ZERO                          = "0";
+    /**
+     * N
+     */
+    public static final String N                             = "N";
+    /**
+     * Y
+     */
+    public static final String Y                             = "Y";
+
+    /**
+     * phoenix 命名空间
+     */
+    public static final String PHOENIX_NAMESPACE_MAPPING     = "phoenix.schema.isNamespaceMappingEnabled";
+
+    /**
+     * phoenix 系统命名空间
+     */
+    public static final String PHOENIX_SYS_NAMESPACE_MAPPING = "phoenix.schema.mapSystemTablesToNamespace";
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/constant/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Constants
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:30
+ */
+package cn.smallbun.screw.core.constant;

screw-core/src/main/java/cn/smallbun/screw/core/engine/AbstractTemplateEngine.java

@@ -0,0 +1,110 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.StringUtils;
+import lombok.Data;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.MAC;
+import static cn.smallbun.screw.core.constant.DefaultConstants.WINDOWS;
+
+/**
+ * AbstractProduce
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 21:47
+ */
+@Data
+public abstract class AbstractTemplateEngine implements TemplateEngine {
+    /**
+     * 日志
+     */
+    final Logger         logger = LoggerFactory.getLogger(this.getClass());
+
+    /**
+     * 模板配置
+     */
+    private EngineConfig engineConfig;
+
+    private AbstractTemplateEngine() {
+    }
+
+    public AbstractTemplateEngine(EngineConfig engineConfig) {
+        Assert.notNull(engineConfig, "EngineConfig can not be empty!");
+        this.engineConfig = engineConfig;
+    }
+
+    /**
+     * 获取文件，文件名格式为，数据库名_版本号.文件类型
+     *
+     * @param docName 文档名称
+     * @return {@link String}
+     */
+    protected File getFile(String docName) {
+        File file;
+        //如果没有填写输出路径，默认当前项目路径下的doc目录
+        if (StringUtils.isBlank(getEngineConfig().getFileOutputDir())) {
+            String dir = System.getProperty("user.dir");
+            file = new File(dir + "/doc");
+        } else {
+            file = new File(getEngineConfig().getFileOutputDir());
+        }
+        //不存在创建
+        if (!file.exists()) {
+            //创建文件夹
+            boolean mkdir = file.mkdirs();
+        }
+        //文件后缀
+        String suffix = getEngineConfig().getFileType().getFileSuffix();
+        file = new File(file, docName + suffix);
+        //设置文件产生位置
+        getEngineConfig().setFileOutputDir(file.getParent());
+        return file;
+    }
+
+    /**
+     * 打开文档生成的输出目录
+     */
+    protected void openOutputDir() {
+        //是否打开，如果是就打开输出路径
+        if (getEngineConfig().isOpenOutputDir()
+            && StringUtils.isNotBlank(getEngineConfig().getFileOutputDir())) {
+            try {
+                //获取系统信息
+                String osName = System.getProperty("os.name");
+                if (osName != null) {
+                    if (osName.contains(MAC)) {
+                        Runtime.getRuntime().exec("open " + getEngineConfig().getFileOutputDir());
+                    } else if (osName.contains(WINDOWS)) {
+                        Runtime.getRuntime()
+                            .exec("cmd /c start " + getEngineConfig().getFileOutputDir());
+                    }
+                }
+            } catch (IOException e) {
+                throw ExceptionUtils.mpe(e);
+            }
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/EngineConfig.java

@@ -0,0 +1,58 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 文件生成配置
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 18:19
+ */
+@Data
+@Builder
+public class EngineConfig implements Serializable {
+    /**
+     * 是否打开输出目录
+     */
+    private boolean            openOutputDir;
+    /**
+     * 文件产生位置
+     */
+    private String             fileOutputDir;
+    /**
+     * 生成文件类型
+     */
+    private EngineFileType     fileType;
+    /**
+     * 生成实现
+     */
+    private EngineTemplateType produceType;
+    /**
+     * 自定义模板，模板需要和文件类型和使用模板的语法进行编写和处理，否则将会生成错误
+     */
+    private String             customTemplate;
+    /**
+     * 文件名称
+     */
+    private String             fileName;
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/EngineFactory.java

@@ -0,0 +1,69 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import cn.smallbun.screw.core.exception.ProduceException;
+import cn.smallbun.screw.core.util.Assert;
+import lombok.Getter;
+
+import java.io.Serializable;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+
+/**
+ * 生成构造工厂
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 21:20
+ */
+public class EngineFactory implements Serializable {
+    /**
+     * EngineConfig
+     */
+    @Getter
+    private EngineConfig engineConfig;
+
+    public EngineFactory(EngineConfig configuration) {
+        Assert.notNull(configuration, "EngineConfig can not be empty!");
+        this.engineConfig = configuration;
+    }
+
+    private EngineFactory() {
+    }
+
+    /**
+     * 获取配置的数据库类型实例
+     *
+     * @return {@link TemplateEngine} 数据库查询对象
+     */
+    public TemplateEngine newInstance() {
+        try {
+            //获取实现类
+            Class<? extends TemplateEngine> query = this.engineConfig.getProduceType()
+                .getImplClass();
+            //获取有参构造
+            Constructor<? extends TemplateEngine> constructor = query
+                .getConstructor(EngineConfig.class);
+            //实例化
+            return (TemplateEngine) constructor.newInstance(engineConfig);
+        } catch (InstantiationException | IllegalAccessException | NoSuchMethodException
+                | InvocationTargetException e) {
+            throw new ProduceException(e);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/EngineFileType.java

@@ -0,0 +1,70 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import java.io.Serializable;
+
+/**
+ * 文件类型
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 21:08
+ */
+
+public enum EngineFileType implements Serializable {
+                                                    /**
+                                                     * HTML
+                                                     */
+                                                    HTML(".html", "documentation_html", "HTML文件"),
+                                                    /**
+                                                     * WORD
+                                                     */
+                                                    WORD(".doc", "documentation_word", "WORD文件"),
+                                                    /**
+                                                     * MD
+                                                     */
+                                                    MD(".md", "documentation_md", "Markdown文件");
+
+    /**
+     * 文件后缀
+     */
+    @Getter
+    @Setter
+    private String fileSuffix;
+    /**
+     * 模板文件
+     */
+    @Getter
+    @Setter
+    private String templateNamePrefix;
+    /**
+     * 描述
+     */
+    @Getter
+    @Setter
+    private String desc;
+
+    EngineFileType(String type, String templateFile, String desc) {
+        this.fileSuffix = type;
+        this.templateNamePrefix = templateFile;
+        this.desc = desc;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/EngineTemplateType.java

@@ -0,0 +1,77 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import cn.smallbun.screw.core.engine.freemark.FreemarkerTemplateEngine;
+import cn.smallbun.screw.core.engine.velocity.VelocityTemplateEngine;
+import lombok.Getter;
+import lombok.Setter;
+
+import java.io.Serializable;
+
+/**
+ * 模板类型
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 20:07
+ */
+public enum EngineTemplateType implements Serializable {
+                                                        /**
+                                                         * velocity 模板
+                                                         */
+                                                        velocity("/template/velocity/",
+                                                                 VelocityTemplateEngine.class,
+                                                                 ".vm"),
+                                                        /**
+                                                         * freeMarker 模板
+                                                         */
+                                                        freemarker("/template/freemarker/",
+                                                                   FreemarkerTemplateEngine.class,
+                                                                   ".ftl");
+
+    /**
+     * 模板目录
+     */
+    @Getter
+    @Setter
+    private String                          templateDir;
+    /**
+     * 模板驱动实现类类型
+     */
+    @Getter
+    @Setter
+    private Class<? extends TemplateEngine> implClass;
+    /**
+     * 后缀
+     */
+    @Getter
+    @Setter
+    private String                          suffix;
+
+    /**
+     * 构造
+     *
+     * @param freemarker {@link String}
+     * @param template   {@link Class}
+     */
+    EngineTemplateType(String freemarker, Class<? extends TemplateEngine> template, String suffix) {
+        this.templateDir = freemarker;
+        this.implClass = template;
+        this.suffix = suffix;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/TemplateEngine.java

@@ -0,0 +1,41 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine;
+
+import cn.smallbun.screw.core.exception.ProduceException;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+
+import java.io.Serializable;
+
+/**
+ * 文件产生接口
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 21:47
+ */
+public interface TemplateEngine extends Serializable {
+    /**
+     * 生成文档
+     *
+     * @param info    {@link DataModel}
+     * @param docName {@link String}
+     * @throws ProduceException ProduceException
+     */
+    void produce(DataModel info, String docName) throws ProduceException;
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/freemark/FreemarkerTemplateEngine.java

@@ -0,0 +1,124 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine.freemark;
+
+import cn.smallbun.screw.core.engine.AbstractTemplateEngine;
+import cn.smallbun.screw.core.engine.EngineConfig;
+import cn.smallbun.screw.core.exception.ProduceException;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.FileUtils;
+import cn.smallbun.screw.core.util.StringUtils;
+import freemarker.cache.ClassTemplateLoader;
+import freemarker.template.Configuration;
+import freemarker.template.Template;
+import freemarker.template.TemplateException;
+
+import java.io.*;
+import java.util.Locale;
+import java.util.Objects;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.DEFAULT_ENCODING;
+import static cn.smallbun.screw.core.constant.DefaultConstants.DEFAULT_LOCALE;
+import static cn.smallbun.screw.core.engine.EngineTemplateType.freemarker;
+import static cn.smallbun.screw.core.util.FileUtils.getFileByPath;
+import static cn.smallbun.screw.core.util.FileUtils.isFileExists;
+
+/**
+ * freemarker template produce
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 21:40
+ */
+public class FreemarkerTemplateEngine extends AbstractTemplateEngine {
+    /**
+     * freemarker 配置实例化
+     */
+    private final Configuration configuration = new Configuration(
+        Configuration.DEFAULT_INCOMPATIBLE_IMPROVEMENTS);
+
+    {
+        try {
+            String path = getEngineConfig().getCustomTemplate();
+            //自定义模板
+            if (StringUtils.isNotBlank(path) && FileUtils.isFileExists(path)) {
+                //获取父目录
+                String parent = Objects.requireNonNull(getFileByPath(path)).getParent();
+                //设置模板加载路径
+                configuration.setDirectoryForTemplateLoading(new File(parent));
+            }
+            //加载自带模板
+            else {
+                //模板存放路径
+                configuration.setTemplateLoader(
+                    new ClassTemplateLoader(this.getClass(), freemarker.getTemplateDir()));
+            }
+            //编码
+            configuration.setDefaultEncoding(DEFAULT_ENCODING);
+            //国际化
+            configuration.setLocale(new Locale(DEFAULT_LOCALE));
+        } catch (Exception e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    public FreemarkerTemplateEngine(EngineConfig templateConfig) {
+        super(templateConfig);
+    }
+
+    /**
+     * 生成文档
+     *
+     * @param info {@link DataModel}
+     * @throws ProduceException ProduceException
+     */
+    @Override
+    public void produce(DataModel info, String docName) throws ProduceException {
+        Assert.notNull(info, "DataModel can not be empty!");
+        String path = getEngineConfig().getCustomTemplate();
+        try {
+            Template template;
+            // freemarker template
+            // 如果自定义路径不为空文件也存在
+            if (StringUtils.isNotBlank(path) && isFileExists(path)) {
+                // 文件名称
+                String fileName = new File(path).getName();
+                template = configuration.getTemplate(fileName);
+            }
+            //获取系统默认的模板
+            else {
+                template = configuration
+                    .getTemplate(getEngineConfig().getFileType().getTemplateNamePrefix()
+                                 + freemarker.getSuffix());
+            }
+            // create file
+            File file = getFile(docName);
+            // writer freemarker
+            try (Writer out = new BufferedWriter(
+                new OutputStreamWriter(new FileOutputStream(file), DEFAULT_ENCODING))) {
+                // process
+                template.process(info, out);
+                // open the output directory
+                openOutputDir();
+            }
+        } catch (IOException | TemplateException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/freemark/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Document generation engine freemark implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:58
+ */
+package cn.smallbun.screw.core.engine.freemark;

screw-core/src/main/java/cn/smallbun/screw/core/engine/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Document generation engine
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:29
+ */
+package cn.smallbun.screw.core.engine;

screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/VelocityTemplateEngine.java

@@ -0,0 +1,126 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.engine.velocity;
+
+import cn.smallbun.screw.core.engine.AbstractTemplateEngine;
+import cn.smallbun.screw.core.engine.EngineConfig;
+import cn.smallbun.screw.core.exception.ProduceException;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.StringUtils;
+import org.apache.velocity.Template;
+import org.apache.velocity.VelocityContext;
+import org.apache.velocity.app.Velocity;
+import org.apache.velocity.app.VelocityEngine;
+import org.apache.velocity.runtime.log.NullLogChute;
+
+import java.io.BufferedWriter;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.DEFAULT_ENCODING;
+import static cn.smallbun.screw.core.engine.EngineTemplateType.velocity;
+
+/**
+ * velocity template
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 21:40
+ */
+public class VelocityTemplateEngine extends AbstractTemplateEngine {
+    /**
+     * DATA
+     */
+    private static final String DATA = "_data";
+
+    /**
+     * 构造函数
+     *
+     * @param templateConfig {@link EngineConfig }
+     */
+    public VelocityTemplateEngine(EngineConfig templateConfig) {
+        super(templateConfig);
+    }
+
+    /**
+     * VelocityEngine
+     */
+    private static VelocityEngine velocityEngine;
+
+    {
+        // 初始化模板引擎
+        velocityEngine = new VelocityEngine();
+        // 如果存在自定义模板
+        if (StringUtils.isNotBlank(getEngineConfig().getCustomTemplate())) {
+            velocityEngine.setProperty("string.resource.loader.class",
+                "org.apache.velocity.runtime.resource.loader.StringResourceLoader");
+        } else {
+            velocityEngine.setProperty("file.resource.loader.class",
+                "org.apache.velocity.runtime.resource.loader.ClasspathResourceLoader");
+        }
+        velocityEngine.setProperty("runtime.log.logsystem.class", NullLogChute.class.getName());
+        velocityEngine.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH, "");
+        velocityEngine.setProperty(Velocity.ENCODING_DEFAULT, DEFAULT_ENCODING);
+        velocityEngine.setProperty(Velocity.INPUT_ENCODING, DEFAULT_ENCODING);
+        velocityEngine.setProperty("file.resource.loader.unicode", "true");
+    }
+
+    /**
+     * 生成文档
+     *
+     * @param info {@link DataModel}
+     * @throws ProduceException ProduceException
+     */
+    @Override
+    public void produce(DataModel info, String docName) throws ProduceException {
+        Assert.notNull(info, "DataModel can not be empty!");
+        Template template;
+        try {
+            // get template path
+            String path = getEngineConfig().getCustomTemplate();
+            //如果自定义了模板
+            if (StringUtils.isNotBlank(path)) {
+                template = velocityEngine.getTemplate(path, DEFAULT_ENCODING);
+            }
+            //没有自定义模板，使用核心包自带
+            else {
+                template = velocityEngine
+                    .getTemplate(velocity.getTemplateDir()
+                                 + getEngineConfig().getFileType().getTemplateNamePrefix()
+                                 + velocity.getSuffix(),
+                        DEFAULT_ENCODING);
+            }
+            // output
+            try (FileOutputStream outStream = new FileOutputStream(getFile(docName));
+                    OutputStreamWriter writer = new OutputStreamWriter(outStream, DEFAULT_ENCODING);
+                    BufferedWriter sw = new BufferedWriter(writer)) {
+                //put data
+                VelocityContext context = new VelocityContext();
+                context.put(DATA, info);
+                //generate
+                template.merge(context, sw);
+                // open the output directory
+                openOutputDir();
+            }
+        } catch (IOException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/engine/velocity/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Document generation engine velocity implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:59
+ */
+package cn.smallbun.screw.core.engine.velocity;

screw-core/src/main/java/cn/smallbun/screw/core/exception/BuilderException.java

@@ -0,0 +1,100 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.exception;
+
+/**
+ * 构建异常
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 23:21
+ */
+public class BuilderException extends ScrewException {
+    /**
+     * Constructs a new runtime exception with {@code null} as its
+     * detail message.  The cause is not initialized, and may subsequently be
+     * initialized by a call to {@link #initCause}.
+     */
+    public BuilderException() {
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message.
+     * The cause is not initialized, and may subsequently be initialized by a
+     * call to {@link #initCause}.
+     *
+     * @param message the detail message. The detail message is saved for
+     *                later retrieval by the {@link #getMessage()} method.
+     */
+    public BuilderException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message and
+     * cause.  <p>Note that the detail message associated with
+     * {@code cause} is <i>not</i> automatically incorporated in
+     * this runtime exception's detail message.
+     *
+     * @param message the detail message (which is saved for later retrieval
+     *                by the {@link #getMessage()} method).
+     * @param cause   the cause (which is saved for later retrieval by the
+     *                {@link #getCause()} method).  (A <tt>null</tt> value is
+     *                permitted, and indicates that the cause is nonexistent or
+     *                unknown.)
+     * @since 1.4
+     */
+    public BuilderException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified cause and a
+     * detail message of <tt>(cause==null ? null : cause.toString())</tt>
+     * (which typically contains the class and detail message of
+     * <tt>cause</tt>).  This constructor is useful for runtime exceptions
+     * that are little more than wrappers for other throwables.
+     *
+     * @param cause the cause (which is saved for later retrieval by the
+     *              {@link #getCause()} method).  (A <tt>null</tt> value is
+     *              permitted, and indicates that the cause is nonexistent or
+     *              unknown.)
+     * @since 1.4
+     */
+    public BuilderException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail
+     * message, cause, suppression enabled or disabled, and writable
+     * stack trace enabled or disabled.
+     *
+     * @param message            the detail message.
+     * @param cause              the cause.  (A {@code null} value is permitted,
+     *                           and indicates that the cause is nonexistent or unknown.)
+     * @param enableSuppression  whether or not suppression is enabled
+     *                           or disabled
+     * @param writableStackTrace whether or not the stack trace should
+     *                           be writable
+     * @since 1.7
+     */
+    public BuilderException(String message, Throwable cause, boolean enableSuppression,
+                            boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/exception/MappingException.java

@@ -0,0 +1,46 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.exception;
+
+/**
+ * MappingException
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/25 21:59
+ */
+public class MappingException extends ScrewException {
+    public MappingException() {
+    }
+
+    public MappingException(String message) {
+        super(message);
+    }
+
+    public MappingException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    public MappingException(Throwable cause) {
+        super(cause);
+    }
+
+    public MappingException(String message, Throwable cause, boolean enableSuppression,
+                            boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/exception/ProduceException.java

@@ -0,0 +1,100 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.exception;
+
+/**
+ * 文档生成异常
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 23:58
+ */
+public class ProduceException extends ScrewException {
+    /**
+     * Constructs a new runtime exception with {@code null} as its
+     * detail message.  The cause is not initialized, and may subsequently be
+     * initialized by a call to {@link #initCause}.
+     */
+    public ProduceException() {
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message.
+     * The cause is not initialized, and may subsequently be initialized by a
+     * call to {@link #initCause}.
+     *
+     * @param message the detail message. The detail message is saved for
+     *                later retrieval by the {@link #getMessage()} method.
+     */
+    public ProduceException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message and
+     * cause.  <p>Note that the detail message associated with
+     * {@code cause} is <i>not</i> automatically incorporated in
+     * this runtime exception's detail message.
+     *
+     * @param message the detail message (which is saved for later retrieval
+     *                by the {@link #getMessage()} method).
+     * @param cause   the cause (which is saved for later retrieval by the
+     *                {@link #getCause()} method).  (A <tt>null</tt> value is
+     *                permitted, and indicates that the cause is nonexistent or
+     *                unknown.)
+     * @since 1.4
+     */
+    public ProduceException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified cause and a
+     * detail message of <tt>(cause==null ? null : cause.toString())</tt>
+     * (which typically contains the class and detail message of
+     * <tt>cause</tt>).  This constructor is useful for runtime exceptions
+     * that are little more than wrappers for other throwables.
+     *
+     * @param cause the cause (which is saved for later retrieval by the
+     *              {@link #getCause()} method).  (A <tt>null</tt> value is
+     *              permitted, and indicates that the cause is nonexistent or
+     *              unknown.)
+     * @since 1.4
+     */
+    public ProduceException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail
+     * message, cause, suppression enabled or disabled, and writable
+     * stack trace enabled or disabled.
+     *
+     * @param message            the detail message.
+     * @param cause              the cause.  (A {@code null} value is permitted,
+     *                           and indicates that the cause is nonexistent or unknown.)
+     * @param enableSuppression  whether or not suppression is enabled
+     *                           or disabled
+     * @param writableStackTrace whether or not the stack trace should
+     *                           be writable
+     * @since 1.7
+     */
+    public ProduceException(String message, Throwable cause, boolean enableSuppression,
+                            boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/exception/QueryException.java

@@ -0,0 +1,100 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.exception;
+
+/**
+ * 查询异常
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/21 23:21
+ */
+public class QueryException extends ScrewException {
+    /**
+     * Constructs a new runtime exception with {@code null} as its
+     * detail message.  The cause is not initialized, and may subsequently be
+     * initialized by a call to {@link #initCause}.
+     */
+    public QueryException() {
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message.
+     * The cause is not initialized, and may subsequently be initialized by a
+     * call to {@link #initCause}.
+     *
+     * @param message the detail message. The detail message is saved for
+     *                later retrieval by the {@link #getMessage()} method.
+     */
+    public QueryException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message and
+     * cause.  <p>Note that the detail message associated with
+     * {@code cause} is <i>not</i> automatically incorporated in
+     * this runtime exception's detail message.
+     *
+     * @param message the detail message (which is saved for later retrieval
+     *                by the {@link #getMessage()} method).
+     * @param cause   the cause (which is saved for later retrieval by the
+     *                {@link #getCause()} method).  (A <tt>null</tt> value is
+     *                permitted, and indicates that the cause is nonexistent or
+     *                unknown.)
+     * @since 1.4
+     */
+    public QueryException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified cause and a
+     * detail message of <tt>(cause==null ? null : cause.toString())</tt>
+     * (which typically contains the class and detail message of
+     * <tt>cause</tt>).  This constructor is useful for runtime exceptions
+     * that are little more than wrappers for other throwables.
+     *
+     * @param cause the cause (which is saved for later retrieval by the
+     *              {@link #getCause()} method).  (A <tt>null</tt> value is
+     *              permitted, and indicates that the cause is nonexistent or
+     *              unknown.)
+     * @since 1.4
+     */
+    public QueryException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail
+     * message, cause, suppression enabled or disabled, and writable
+     * stack trace enabled or disabled.
+     *
+     * @param message            the detail message.
+     * @param cause              the cause.  (A {@code null} value is permitted,
+     *                           and indicates that the cause is nonexistent or unknown.)
+     * @param enableSuppression  whether or not suppression is enabled
+     *                           or disabled
+     * @param writableStackTrace whether or not the stack trace should
+     *                           be writable
+     * @since 1.7
+     */
+    public QueryException(String message, Throwable cause, boolean enableSuppression,
+                          boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/exception/ScrewException.java

@@ -0,0 +1,101 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.exception;
+
+/**
+ * Screw exception
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:54
+ */
+public class ScrewException extends RuntimeException {
+    /**
+     * Constructs a new runtime exception with {@code null} as its
+     * detail message.  The cause is not initialized, and may subsequently be
+     * initialized by a call to {@link #initCause}.
+     */
+    public ScrewException() {
+        super();
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message.
+     * The cause is not initialized, and may subsequently be initialized by a
+     * call to {@link #initCause}.
+     *
+     * @param message the detail message. The detail message is saved for
+     *                later retrieval by the {@link #getMessage()} method.
+     */
+    public ScrewException(String message) {
+        super(message);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail message and
+     * cause.  <p>Note that the detail message associated with
+     * {@code cause} is <i>not</i> automatically incorporated in
+     * this runtime exception's detail message.
+     *
+     * @param message the detail message (which is saved for later retrieval
+     *                by the {@link #getMessage()} method).
+     * @param cause   the cause (which is saved for later retrieval by the
+     *                {@link #getCause()} method).  (A <tt>null</tt> value is
+     *                permitted, and indicates that the cause is nonexistent or
+     *                unknown.)
+     * @since 1.4
+     */
+    public ScrewException(String message, Throwable cause) {
+        super(message, cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified cause and a
+     * detail message of <tt>(cause==null ? null : cause.toString())</tt>
+     * (which typically contains the class and detail message of
+     * <tt>cause</tt>).  This constructor is useful for runtime exceptions
+     * that are little more than wrappers for other throwables.
+     *
+     * @param cause the cause (which is saved for later retrieval by the
+     *              {@link #getCause()} method).  (A <tt>null</tt> value is
+     *              permitted, and indicates that the cause is nonexistent or
+     *              unknown.)
+     * @since 1.4
+     */
+    public ScrewException(Throwable cause) {
+        super(cause);
+    }
+
+    /**
+     * Constructs a new runtime exception with the specified detail
+     * message, cause, suppression enabled or disabled, and writable
+     * stack trace enabled or disabled.
+     *
+     * @param message            the detail message.
+     * @param cause              the cause.  (A {@code null} value is permitted,
+     *                           and indicates that the cause is nonexistent or unknown.)
+     * @param enableSuppression  whether or not suppression is enabled
+     *                           or disabled
+     * @param writableStackTrace whether or not the stack trace should
+     *                           be writable
+     * @since 1.7
+     */
+    protected ScrewException(String message, Throwable cause, boolean enableSuppression,
+                             boolean writableStackTrace) {
+        super(message, cause, enableSuppression, writableStackTrace);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/exception/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Exception Class
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:29
+ */
+package cn.smallbun.screw.core.exception;

screw-core/src/main/java/cn/smallbun/screw/core/execute/AbstractExecute.java

@@ -0,0 +1,70 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.execute;
+
+import cn.smallbun.screw.core.Configuration;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.DESCRIPTION;
+
+/**
+ * 抽象执行
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/4/1 22:51
+ */
+public abstract class AbstractExecute implements Execute {
+    /**
+     * LOGGER
+     */
+    final Logger            logger = LoggerFactory.getLogger(this.getClass());
+
+    protected Configuration config;
+
+    public AbstractExecute(Configuration config) {
+        Assert.notNull(config, "Configuration can not be empty!");
+        this.config = config;
+    }
+
+    /**
+     * 获取文档名称
+     *
+     * @param database {@link String}
+     * @return {@link String} 名称
+     */
+    String getDocName(String database) {
+        //自定义文件名称不为空
+        if (StringUtils.isNotBlank(config.getEngineConfig().getFileName())) {
+            return config.getEngineConfig().getFileName();
+        }
+        //描述
+        String description = config.getDescription();
+        if (StringUtils.isBlank(description)) {
+            description = DESCRIPTION;
+        }
+        //版本号
+        String version = config.getVersion();
+        if (StringUtils.isBlank(version)) {
+            return database + "_" + description;
+        }
+        return database + "_" + description + "_" + version;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/execute/DocumentationExecute.java

@@ -0,0 +1,60 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.execute;
+
+import cn.smallbun.screw.core.Configuration;
+import cn.smallbun.screw.core.engine.EngineFactory;
+import cn.smallbun.screw.core.engine.TemplateEngine;
+import cn.smallbun.screw.core.exception.BuilderException;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+import cn.smallbun.screw.core.process.DataModelProcess;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+
+/**
+ * 文档生成
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/4/1 22:51
+ */
+public class DocumentationExecute extends AbstractExecute {
+
+    public DocumentationExecute(Configuration config) {
+        super(config);
+    }
+
+    /**
+     * 执行
+     *
+     * @throws BuilderException BuilderException
+     */
+    @Override
+    public void execute() throws BuilderException {
+        try {
+            long start = System.currentTimeMillis();
+            //处理数据
+            DataModel dataModel = new DataModelProcess(config).process();
+            //产生文档
+            TemplateEngine produce = new EngineFactory(config.getEngineConfig()).newInstance();
+            produce.produce(dataModel, getDocName(dataModel.getDatabase()));
+            logger.debug("database document generation complete time consuming:{}ms",
+                System.currentTimeMillis() - start);
+        } catch (Exception e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/execute/Execute.java

@@ -0,0 +1,31 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.execute;
+
+/**
+ * 执行文档生成
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/4/1 22:38
+ */
+public interface Execute {
+    /**
+     * 执行生成
+     */
+    void execute();
+}

screw-core/src/main/java/cn/smallbun/screw/core/execute/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Document generation and execution
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:29
+ */
+package cn.smallbun.screw.core.execute;

screw-core/src/main/java/cn/smallbun/screw/core/mapping/FieldMethod.java

@@ -0,0 +1,77 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.mapping;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+
+/**
+ * FieldMethod
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on  2020/3/25
+ */
+public class FieldMethod {
+
+    /**
+     * 属性
+     */
+    private Field  field;
+
+    /**
+     * 方法
+     */
+    private Method method;
+
+    /**
+     * Getter method for property <tt>field</tt>.
+     *
+     * @return property value of field
+     */
+    public Field getField() {
+        return field;
+    }
+
+    /**
+     * Setter method for property <tt>field</tt>.
+     *
+     * @param field value to be assigned to property field
+     */
+    public void setField(Field field) {
+        this.field = field;
+    }
+
+    /**
+     * Getter method for property <tt>method</tt>.
+     *
+     * @return property value of method
+     */
+    public Method getMethod() {
+        return method;
+    }
+
+    /**
+     * Setter method for property <tt>method</tt>.
+     *
+     * @param method value to be assigned to property method
+     */
+    public void setMethod(Method method) {
+        this.method = method;
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/mapping/Mapping.java

@@ -0,0 +1,262 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.mapping;
+
+import cn.smallbun.screw.core.exception.MappingException;
+
+import java.beans.BeanInfo;
+import java.beans.IntrospectionException;
+import java.beans.Introspector;
+import java.beans.PropertyDescriptor;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
+import java.util.*;
+
+/**
+ * 映射器
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on  2020/3/25
+ */
+public class Mapping {
+
+    private Mapping() {
+    }
+
+    /**
+     * 将ResultSet 结果转为对象
+     *
+     * @param <T>       领域泛型
+     * @param resultSet {@link ResultSet} 对象
+     * @param clazz     领域类型
+     * @return 领域对象
+     * @throws MappingException MappingException
+     */
+    public static <T> T convert(ResultSet resultSet, Class<T> clazz) throws MappingException {
+        //存放列名和结果
+        Map<String, Object> values = new HashMap<>(16);
+        try {
+            //处理 ResultSet
+            ResultSetMetaData metaData = resultSet.getMetaData();
+            int columnCount = metaData.getColumnCount();
+            //迭代
+            while (resultSet.next()) {
+                //放入内存
+                for (int i = 1; i <= columnCount; i++) {
+                    String columnName = metaData.getColumnName(i);
+                    values.put(columnName, resultSet.getString(columnName));
+                }
+            }
+            //有结果
+            if (values.size() != 0) {
+                //获取类数据
+                List<FieldMethod> fieldMethods = getFieldMethods(clazz);
+                //设置属性值
+                return getObject(clazz, fieldMethods, values);
+            }
+            return clazz.newInstance();
+        } catch (Exception e) {
+            throw new MappingException(e);
+        }
+    }
+
+    /**
+     * @param resultSet {@link ResultSet} 对象
+     * @param clazz     领域类型
+     * @param <T>       领域泛型
+     * @return 领域对象
+     * @throws MappingException MappingException
+     */
+    public static <T> List<T> convertList(ResultSet resultSet,
+                                          Class<T> clazz) throws MappingException {
+        //存放列名和结果
+        List<Map<String, Object>> values = new ArrayList<>(16);
+        //结果集合
+        List<T> list = new ArrayList<>();
+        try {
+            //处理 ResultSet
+            ResultSetMetaData metaData = resultSet.getMetaData();
+            int columnCount = metaData.getColumnCount();
+            //迭代
+            while (resultSet.next()) {
+                //map object
+                HashMap<String, Object> value = new HashMap<>(16);
+                //循环所有的列，获取列名，根据列名获取值
+                for (int i = 1; i <= columnCount; i++) {
+                    String columnName = metaData.getColumnName(i);
+                    value.put(columnName, resultSet.getString(i));
+                }
+                //add object
+                values.add(value);
+            }
+            //获取类数据
+            List<FieldMethod> fieldMethods = getFieldMethods(clazz);
+            //循环集合，根据类型反射构建对象
+            for (Map<String, Object> map : values) {
+                T rsp = getObject(clazz, fieldMethods, map);
+                list.add(rsp);
+            }
+        } catch (Exception e) {
+            throw new MappingException(e);
+        }
+        return list;
+    }
+
+    /**
+     * 根据列标签获取列信息
+     *
+     * @param resultSet {@link ResultSet} 对象
+     * @param clazz     领域类型
+     * @param <T>       领域泛型
+     * @return 领域对象
+     * @throws MappingException MappingException
+     */
+    public static <T> List<T> convertListByColumnLabel(ResultSet resultSet,
+                                                       Class<T> clazz) throws MappingException {
+        //存放列名和结果
+        List<Map<String, Object>> values = new ArrayList<>(16);
+        //结果集合
+        List<T> list = new ArrayList<>();
+        try {
+            //处理 ResultSet
+            ResultSetMetaData metaData = resultSet.getMetaData();
+            int columnCount = metaData.getColumnCount();
+            //迭代
+            while (resultSet.next()) {
+                //map object
+                HashMap<String, Object> value = new HashMap<>(16);
+                //循环所有的列，获取列名，根据列名获取值
+                for (int i = 1; i <= columnCount; i++) {
+                    String columnName = metaData.getColumnLabel(i);
+                    value.put(columnName, resultSet.getString(i));
+                }
+                //add object
+                values.add(value);
+            }
+            //获取类数据
+            List<FieldMethod> fieldMethods = getFieldMethods(clazz);
+            //循环集合，根据类型反射构建对象
+            for (Map<String, Object> map : values) {
+                T rsp = getObject(clazz, fieldMethods, map);
+                list.add(rsp);
+            }
+        } catch (Exception e) {
+            throw new MappingException(e);
+        }
+        return list;
+    }
+
+    /**
+     * 获取对象
+     *
+     * @param clazz        class
+     * @param fieldMethods List<FieldMethod>
+     * @param map          数据集合
+     * @param <T>          领域泛型
+     * @return 领域对象
+     * @throws InstantiationException    InstantiationException
+     * @throws IllegalAccessException    IllegalAccessException
+     * @throws InvocationTargetException InvocationTargetException
+     */
+    private static <T> T getObject(Class<T> clazz, List<FieldMethod> fieldMethods,
+                                   Map<String, Object> map) throws InstantiationException,
+                                                            IllegalAccessException,
+                                                            InvocationTargetException {
+        T rsp = clazz.newInstance();
+        //设置属性值
+        for (FieldMethod filed : fieldMethods) {
+            Field field = filed.getField();
+            Method method = filed.getMethod();
+            MappingField jsonField = field.getAnnotation(MappingField.class);
+            if (!Objects.isNull(jsonField)) {
+                method.invoke(rsp, map.get(jsonField.value()));
+            }
+        }
+        return rsp;
+    }
+
+    /**
+     * 根据类型获取 FieldMethod
+     *
+     * @param clazz {@link Class}
+     * @param <T>   {@link T}
+     * @return {@link List<FieldMethod>}
+     * @throws IntrospectionException IntrospectionException
+     * @throws NoSuchFieldException   NoSuchFieldException
+     */
+    private static <T> List<FieldMethod> getFieldMethods(Class<T> clazz) throws IntrospectionException,
+                                                                         NoSuchFieldException {
+        //结果集合
+        List<FieldMethod> fieldMethods = new ArrayList<>();
+        //BeanInfo
+        BeanInfo beanInfo = Introspector.getBeanInfo(clazz);
+        PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
+        //循环处理值
+        for (PropertyDescriptor pd : pds) {
+            Method writeMethod = pd.getWriteMethod();
+            if (writeMethod == null) {
+                continue;
+            }
+            //获取字段
+            Field field = clazz.getDeclaredField(pd.getName());
+            //获取只写方法
+            FieldMethod fieldMethod = new FieldMethod();
+            fieldMethod.setField(field);
+            fieldMethod.setMethod(writeMethod);
+            //放入集合
+            fieldMethods.add(fieldMethod);
+        }
+        return fieldMethods;
+    }
+
+    /**
+     * 尝试获取属性
+     * <p>
+     * 不会抛出异常，不存在则返回null
+     *
+     * @param clazz {@link Class}
+     * @param itemName {@link String}
+     * @return {@link Field}
+     */
+    private static Field tryGetFieldWithoutExp(Class<?> clazz, String itemName) {
+        try {
+            return clazz.getDeclaredField(itemName);
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    /**
+     * 获取属性设置属性
+     *
+     * @param clazz {@link Class}
+     * @param field  {@link Field}
+     * @return {@link Method}
+     */
+    private static <T> Method tryGetSetMethod(Class<T> clazz, Field field, String methodName) {
+        try {
+            return clazz.getDeclaredMethod(methodName, field.getType());
+        } catch (Exception e) {
+            return null;
+        }
+
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/mapping/MappingField.java

@@ -0,0 +1,41 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * 数据结构属性注解
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on  2020/3/25
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(value = { ElementType.FIELD })
+public @interface MappingField {
+
+    /**
+     * 属性映射名称
+     * @return {@link String}
+     **/
+    String value() default "";
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/mapping/MappingListField.java

@@ -0,0 +1,40 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.mapping;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+/**
+ * 数据结构列表属性注解
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on  2020/6/16
+ */
+@Retention(RetentionPolicy.RUNTIME)
+@Target(value = { ElementType.FIELD })
+public @interface MappingListField {
+
+    /**
+     * JSON列表属性映射名称
+     * @return {@link String}
+     **/
+    String value() default "";
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/mapping/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Data mapping
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:29
+ */
+package cn.smallbun.screw.core.mapping;

screw-core/src/main/java/cn/smallbun/screw/core/metadata/Column.java

@@ -0,0 +1,117 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata;
+
+import java.io.Serializable;
+
+/**
+ * 表列接口
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/28 15:05
+ */
+public interface Column extends Serializable {
+    /**
+     * 获取表名
+     *
+     * @return {@link String}
+     */
+    String getTableName();
+
+    /**
+     * 表中的列的索引（从 1 开始）
+     *
+     * @return {@link String}
+     */
+    String getOrdinalPosition();
+
+    /**
+     * 名称
+     *
+     * @return {@link String}
+     */
+    String getColumnName();
+
+    /**
+     * 列的数据类型名称
+     *
+     * @return {@link String}
+     */
+    String getTypeName();
+
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     *
+     * @return {@link String}
+     */
+    String getColumnSize();
+
+    /**
+     * 小数位
+     *
+     * @return {@link String}
+     */
+    String getDecimalDigits();
+
+    /**
+     * 可为空
+     *
+     * @return {@link String}
+     */
+    String getNullable();
+
+    /**
+     * 是否主键
+     *
+     * @return {@link Boolean}
+     */
+    String getPrimaryKey();
+
+    /**
+     * 默认值
+     *
+     * @return {@link String}
+     */
+    String getColumnDef();
+
+    /**
+     * 说明
+     *
+     * @return {@link String}
+     */
+    String getRemarks();
+
+    /**
+     * 获取列类型
+     * @return {@link String}
+     */
+    String getColumnType();
+
+    /**
+     * 获取列长度
+     *
+     * @return {@link String}
+     */
+    String getColumnLength();
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/ColumnLength.java

@@ -0,0 +1,49 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata;
+
+import java.io.Serializable;
+
+/**
+ * 列长度
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/8/25 10:53
+ */
+public interface ColumnLength extends Serializable {
+    /**
+     * 表名
+     *
+     * @return {@link String}
+     */
+    String getTableName();
+
+    /**
+     * 列名
+     *
+     * @return {@link String}
+     */
+    String getColumnName();
+
+    /**
+     * 列长度
+     *
+     * @return {@link String}
+     */
+    String getColumnLength();
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/CustomType.java

@@ -0,0 +1,39 @@
+package cn.smallbun.screw.core.metadata;
+
+import java.io.Serializable;
+
+/**
+ * 自定义类型
+ */
+public interface CustomType extends Serializable {
+
+    /**
+     * 获取类型名称
+     * @return
+     */
+    String getTypeName();
+
+    /**
+     *
+     * @return
+     */
+    String getAttrName();
+
+    /**
+     * 获取类型编码
+     * @return
+     */
+    String getAttrTypeName();
+
+    /**
+     * 获取属性长度
+     * @return
+     */
+    String getLength();
+
+    /**
+     * 获取属性编号
+     * @return
+     */
+    String getAttrNo();
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/Database.java

@@ -0,0 +1,41 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata;
+
+import cn.smallbun.screw.core.metadata.model.CustomTypeModel;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 数据库接口
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/28 15:05
+ */
+public interface Database extends Serializable {
+    /**
+     * 获取数据库名称
+     *
+     * @return {@link String}
+     */
+    String getDatabase();
+
+    List<OracleTypesModel> getTypes();
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/ForeignKey.java

@@ -0,0 +1,40 @@
+package cn.smallbun.screw.core.metadata;
+
+import java.io.Serializable;
+
+/**
+ * 外鍵以及外鍵信息   外鍵字段  外鍵約束字段以及外鍵關聯表
+ */
+public interface ForeignKey extends Serializable {
+    /**
+     * 表名
+     *
+     * @return {@link String}
+     */
+    String getTableName();
+
+    /**
+     * 外键名称
+     *
+     * @return {@link String}
+     */
+    String getConstraintName();
+
+    /**
+     * 列名
+     *
+     * @return {@link String}
+     */
+    String getColumnName();
+
+    /**
+     * 约束键
+     * @return
+     */
+    String getConstraintKey();
+
+    /**
+     * 字段外鍵關聯表
+     */
+    String getReferencedTable();
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/PrimaryKey.java

@@ -0,0 +1,56 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata;
+
+import java.io.Serializable;
+
+/**
+ * 主键
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/28 21:37
+ */
+public interface PrimaryKey extends Serializable {
+    /**
+     * 表名
+     *
+     * @return {@link String}
+     */
+    String getTableName();
+
+    /**
+     * 主键名称
+     *
+     * @return {@link String}
+     */
+    String getPkName();
+
+    /**
+     * 列名
+     *
+     * @return {@link String}
+     */
+    String getColumnName();
+
+    /**
+     * 关键序列
+     *
+     * @return {@link String}
+     */
+    String getKeySeq();
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/Table.java

@@ -0,0 +1,48 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata;
+
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 表接口
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/28 15:05
+ */
+public interface Table extends Serializable {
+    /**
+     * 表名
+     *
+     * @return {@link String}
+     */
+    String getTableName();
+
+    /**
+     * 获取说明
+     *
+     * @return {@link String}
+     */
+    String getRemarks();
+
+    List<OracleForeignKeyModel> getForeignKeys();
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/ColumnModel.java

@@ -0,0 +1,115 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata.model;
+
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * 表列领域对象，目前包含如下内容
+ * <p>
+ * 名称
+ * <p>
+ * 数据类型
+ * <p>
+ * 长度
+ * <p>
+ * 小数位
+ * <p>
+ * 允许空值
+ * <p>
+ * 主键
+ * <p>
+ * 默认值
+ * <p>
+ * 说明
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:24
+ */
+@Data
+public class ColumnModel implements Serializable {
+    /**
+     * serialVersionUID
+     */
+    private static final long serialVersionUID = -5417752216907437665L;
+    /**
+     * 表中的列的索引（从 1 开始）
+     */
+    private String            ordinalPosition;
+    /**
+     * 名称
+     */
+    private String            columnName;
+    /**
+     * SQL 数据类型带长度
+     */
+    private String            columnType;
+    /**
+     * SQL 数据类型 名称
+     */
+    private String            typeName;
+    /**
+     * 列长度
+     */
+    private String            columnLength;
+    /**
+     * 列大小
+     */
+    private String            columnSize;
+    /**
+     * 小数位
+     */
+    private String            decimalDigits;
+    /**
+     * 可为空
+     */
+    private String            nullable;
+    /**
+     * 是否主键
+     */
+    private String            primaryKey;
+    /**
+     * 默认值
+     */
+    private String            columnDef;
+    /**
+     * 说明
+     */
+    private String            remarks;
+
+    /**
+     * 嵌套数据信息（用于文档数据库）
+     */
+    private TableModel        nestedTable;
+
+    /**
+     * 是否弃用
+     */
+    private Boolean           deprecated;
+
+    /**
+     * 外鍵和外鍵對應的表
+     */
+    private String foreignKey;
+
+    private String rForeignKey;
+
+    private String foreignTable;
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/CustomTypeModel.java

@@ -0,0 +1,22 @@
+package cn.smallbun.screw.core.metadata.model;
+
+public class CustomTypeModel {
+
+    /**
+     * 类型名称
+     */
+    private String typeName;
+
+
+    private String typeOid;
+
+    /**
+     * 类型编码
+     */
+    private String typeCode;
+
+    /**
+     * 属性
+     */
+    private String attributes;
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/DataModel.java

@@ -0,0 +1,51 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata.model;
+
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+/**
+ * DataModel
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/17 22:32
+ */
+@EqualsAndHashCode(callSuper = true)
+@Data
+public class DataModel extends DatabaseModel {
+    /**
+     * 标题
+     */
+    private String title;
+    /**
+     * 组织
+     */
+    private String organization;
+    /**
+     * url
+     */
+    private String organizationUrl;
+    /**
+     * 版本号
+     */
+    private String version;
+    /**
+     * 描述
+     */
+    private String description;
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/DatabaseModel.java

@@ -0,0 +1,49 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata.model;
+
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:26
+ */
+@Data
+public class DatabaseModel implements Serializable {
+
+    private static final long serialVersionUID = -1975852052060128878L;
+    /**
+     * 数据库名称
+     */
+    private String            database;
+    /**
+     * 表
+     */
+    private List<TableModel>  tables;
+
+    /**
+     * 自定义类型
+     */
+    private List<OracleTypesModel> types;
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/TableModel.java

@@ -0,0 +1,55 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.metadata.model;
+
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 表信息领域对象
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:22
+ */
+@Data
+public class TableModel implements Serializable {
+
+    private static final long serialVersionUID = 825666678767312142L;
+    /**
+     * 表名
+     */
+    private String            tableName;
+    /**
+     * 备注
+     */
+    private String            remarks;
+    /**
+     * 表列
+     */
+    private List<ColumnModel> columns;
+
+    /**
+     * 是否弃用
+     */
+    private Boolean           deprecated;
+
+    private List<OracleForeignKeyModel> foreignKeys;
+}

screw-core/src/main/java/cn/smallbun/screw/core/metadata/model/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Metadata model
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:59
+ */
+package cn.smallbun.screw.core.metadata.model;

screw-core/src/main/java/cn/smallbun/screw/core/metadata/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Metadata
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:28
+ */
+package cn.smallbun.screw.core.metadata;

screw-core/src/main/java/cn/smallbun/screw/core/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Screw database table structure document generation core package
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 17:24
+ */
+package cn.smallbun.screw.core;

screw-core/src/main/java/cn/smallbun/screw/core/process/AbstractProcess.java

@@ -0,0 +1,238 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.process;
+
+import cn.smallbun.screw.core.Configuration;
+import cn.smallbun.screw.core.engine.EngineFileType;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.metadata.model.ColumnModel;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+import cn.smallbun.screw.core.metadata.model.TableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.BeanUtils;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.util.BeanUtils.*;
+
+/**
+ * AbstractBuilder
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/22 21:09
+ */
+public abstract class AbstractProcess implements Process {
+    /**
+     * LOGGER
+     */
+    final Logger                                logger             = LoggerFactory
+        .getLogger(this.getClass());
+    /**
+     * 表信息缓存
+     */
+    volatile Map<String, List<? extends Table>> tablesCaching      = new ConcurrentHashMap<>();
+    /**
+     * 列信息缓存
+     */
+    volatile Map<String, List<Column>>          columnsCaching     = new ConcurrentHashMap<>();
+    /**
+     * 主键信息缓存
+     */
+    volatile Map<String, List<PrimaryKey>>      primaryKeysCaching = new ConcurrentHashMap<>();
+
+    /**
+     * Configuration
+     */
+    protected Configuration                     config;
+
+    private AbstractProcess() {
+    }
+
+    /**
+     * 构造方法
+     *
+     * @param configuration     {@link Configuration}
+     */
+    protected AbstractProcess(Configuration configuration) {
+        Assert.notNull(configuration, "Configuration can not be empty!");
+        this.config = configuration;
+    }
+
+    /**
+     * 过滤表
+     * 存在指定生成和指定不生成，优先级为：如果指定生成，只会生成指定的表，未指定的不会生成，也不会处理忽略表
+     *
+     * @param tables {@link List} 处理前数据
+     * @return {@link List} 处理过后的数据
+     * @see "1.0.3"
+     */
+    protected List<TableModel> filterTables(List<TableModel> tables) {
+        ProcessConfig produceConfig = config.getProduceConfig();
+        if (!Objects.isNull(config) && !Objects.isNull(config.getProduceConfig())) {
+            //指定生成的表名、前缀、后缀任意不为空，按照指定表生成，其余不生成，不会在处理忽略表
+            if (CollectionUtils.isNotEmpty(produceConfig.getDesignatedTableName())
+                //前缀
+                || CollectionUtils.isNotEmpty(produceConfig.getDesignatedTablePrefix())
+                //后缀
+                || CollectionUtils.isNotEmpty(produceConfig.getDesignatedTableSuffix())) {
+                return handleDesignated(tables);
+            }
+            //处理忽略表
+            else {
+                return handleIgnore(tables);
+            }
+        }
+        return tables;
+    }
+
+    /**
+     * 处理指定表
+     *
+     * @param tables {@link List} 处理前数据
+     * @return {@link List} 处理过后的数据
+     * @see "1.0.3"
+     */
+    private List<TableModel> handleDesignated(List<TableModel> tables) {
+        List<TableModel> tableModels = new ArrayList<>();
+        ProcessConfig produceConfig = this.config.getProduceConfig();
+        if (!Objects.isNull(config) && !Objects.isNull(produceConfig)) {
+            //指定表名
+            if (CollectionUtils.isNotEmpty(produceConfig.getDesignatedTableName())) {
+                List<String> list = produceConfig.getDesignatedTableName();
+                for (String name : list) {
+                    tableModels.addAll(tables.stream().filter(j -> j.getTableName().equals(name))
+                        .collect(Collectors.toList()));
+                }
+            }
+            //指定表名前缀
+            if (CollectionUtils.isNotEmpty(produceConfig.getDesignatedTablePrefix())) {
+                List<String> list = produceConfig.getDesignatedTablePrefix();
+                for (String prefix : list) {
+                    tableModels
+                        .addAll(tables.stream().filter(j -> j.getTableName().startsWith(prefix))
+                            .collect(Collectors.toList()));
+                }
+            }
+            //指定表名后缀
+            if (CollectionUtils.isNotEmpty(produceConfig.getDesignatedTableSuffix())) {
+                List<String> list = produceConfig.getDesignatedTableSuffix();
+                for (String suffix : list) {
+                    tableModels
+                        .addAll(tables.stream().filter(j -> j.getTableName().endsWith(suffix))
+                            .collect(Collectors.toList()));
+                }
+            }
+            return tableModels;
+        }
+        return tableModels;
+    }
+
+    /**
+     * 处理忽略
+     *
+     * @param tables {@link List} 处理前数据
+     * @return {@link List} 处理过后的数据
+     */
+    private List<TableModel> handleIgnore(List<TableModel> tables) {
+        ProcessConfig produceConfig = this.config.getProduceConfig();
+        if (!Objects.isNull(this.config) && !Objects.isNull(produceConfig)) {
+            //处理忽略表名
+            if (CollectionUtils.isNotEmpty(produceConfig.getIgnoreTableName())) {
+                List<String> list = produceConfig.getIgnoreTableName();
+                for (String name : list) {
+                    tables = tables.stream().filter(j -> !j.getTableName().equals(name))
+                        .collect(Collectors.toList());
+                }
+            }
+            //忽略表名前缀
+            if (CollectionUtils.isNotEmpty(produceConfig.getIgnoreTablePrefix())) {
+                List<String> list = produceConfig.getIgnoreTablePrefix();
+                for (String prefix : list) {
+                    tables = tables.stream().filter(j -> !j.getTableName().startsWith(prefix))
+                        .collect(Collectors.toList());
+                }
+            }
+            //忽略表名后缀
+            if (CollectionUtils.isNotEmpty(produceConfig.getIgnoreTableSuffix())) {
+                List<String> list = produceConfig.getIgnoreTableSuffix();
+                for (String suffix : list) {
+                    tables = tables.stream().filter(j -> !j.getTableName().endsWith(suffix))
+                        .collect(Collectors.toList());
+                }
+            }
+            return tables;
+        }
+        return tables;
+    }
+
+    /**
+     *  优化数据
+     * @param dataModel {@link DataModel}
+     * @see "1.0.3"
+     */
+    public void optimizeData(DataModel dataModel) {
+        //trim
+        beanAttributeValueTrim(dataModel);
+        //tables
+        List<TableModel> tables = dataModel.getTables();
+        //columns
+        tables.forEach(i -> {
+            //table escape xml
+            beanAttributeValueTrim(i);
+            List<ColumnModel> columns = i.getColumns();
+            //columns escape xml
+            columns.forEach(BeanUtils::beanAttributeValueTrim);
+        });
+        //if file type is word
+        if (config.getEngineConfig().getFileType().equals(EngineFileType.WORD)) {
+            //escape xml
+            beanAttributeValueEscapeXml(dataModel);
+            //tables
+            tables.forEach(i -> {
+                //table escape xml
+                beanAttributeValueEscapeXml(i);
+                List<ColumnModel> columns = i.getColumns();
+                //columns escape xml
+                columns.forEach(BeanUtils::beanAttributeValueEscapeXml);
+            });
+        }
+        //if file type is markdown
+        if (config.getEngineConfig().getFileType().equals(EngineFileType.MD)) {
+            //escape xml
+            beanAttributeValueReplaceBlank(dataModel);
+            //columns
+            tables.forEach(i -> {
+                //table escape xml
+                beanAttributeValueReplaceBlank(i);
+                List<ColumnModel> columns = i.getColumns();
+                //columns escape xml
+                columns.forEach(BeanUtils::beanAttributeValueReplaceBlank);
+            });
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/process/DataModelProcess.java

@@ -0,0 +1,181 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.process;
+
+import cn.smallbun.screw.core.Configuration;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.metadata.model.ColumnModel;
+import cn.smallbun.screw.core.metadata.model.DataModel;
+import cn.smallbun.screw.core.metadata.model.TableModel;
+import cn.smallbun.screw.core.query.DatabaseQuery;
+import cn.smallbun.screw.core.query.DatabaseQueryFactory;
+import cn.smallbun.screw.core.util.StringUtils;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.*;
+
+/**
+ * 数据模型处理
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/22 21:12
+ */
+public class DataModelProcess extends AbstractProcess {
+
+    /**
+     * 构造方法
+     *
+     * @param configuration     {@link Configuration}
+     */
+    public DataModelProcess(Configuration configuration) {
+        super(configuration);
+    }
+
+    /**
+     * 处理
+     *
+     * @return {@link DataModel}
+     */
+    @Override
+    public DataModel process() {
+        //获取query对象
+        DatabaseQuery query = new DatabaseQueryFactory(config.getDataSource()).newInstance();
+        DataModel model = new DataModel();
+        //Title
+        model.setTitle(config.getTitle());
+        //org
+        model.setOrganization(config.getOrganization());
+        //org url
+        model.setOrganizationUrl(config.getOrganizationUrl());
+        //version
+        model.setVersion(config.getVersion());
+        //description
+        model.setDescription(config.getDescription());
+
+        /*查询操作开始*/
+        long start = System.currentTimeMillis();
+        //获取数据库
+        Database database = query.getDataBase();
+        logger.debug("query the database time consuming:{}ms",
+            (System.currentTimeMillis() - start));
+        model.setDatabase(database.getDatabase());
+        model.setTypes(database.getTypes());
+        start = System.currentTimeMillis();
+        //获取全部表
+        List<? extends Table> tables = query.getTables();
+        logger.debug("query the table time consuming:{}ms", (System.currentTimeMillis() - start));
+        //获取全部列
+        start = System.currentTimeMillis();
+        List<? extends Column> columns = query.getTableColumns();
+        logger.debug("query the column time consuming:{}ms", (System.currentTimeMillis() - start));
+        //获取主键
+        start = System.currentTimeMillis();
+        List<? extends PrimaryKey> primaryKeys = query.getPrimaryKeys();
+        logger.debug("query the primary key time consuming:{}ms",
+            (System.currentTimeMillis() - start));
+        /*查询操作结束*/
+
+        /*处理数据开始*/
+        start = System.currentTimeMillis();
+        List<TableModel> tableModels = new ArrayList<>();
+        tablesCaching.put(database.getDatabase(), tables);
+        for (Table table : tables) {
+            //处理列，表名为key，列名为值
+            columnsCaching.put(table.getTableName(),
+                columns.stream().filter(i -> i.getTableName().equals(table.getTableName()))
+                    .collect(Collectors.toList()));
+            //处理主键，表名为key，主键为值
+            primaryKeysCaching.put(table.getTableName(),
+                primaryKeys.stream().filter(i -> i.getTableName().equals(table.getTableName()))
+                    .collect(Collectors.toList()));
+        }
+        for (Table table : tables) {
+            /*封装数据开始*/
+            TableModel tableModel = new TableModel();
+            //表名称
+            tableModel.setTableName(table.getTableName());
+            //说明
+            tableModel.setRemarks(table.getRemarks());
+            tableModel.setForeignKeys(table.getForeignKeys());
+            //添加表
+            tableModels.add(tableModel);
+            //处理列
+            List<ColumnModel> columnModels = new ArrayList<>();
+            //获取主键
+            List<String> key = primaryKeysCaching.get(table.getTableName()).stream()
+                .map(PrimaryKey::getColumnName).collect(Collectors.toList());
+            for (Column column : columnsCaching.get(table.getTableName())) {
+                packageColumn(columnModels, key, column);
+            }
+            //放入列
+            tableModel.setColumns(columnModels);
+        }
+        //设置表
+        model.setTables(filterTables(tableModels));
+        //优化数据
+        optimizeData(model);
+        /*封装数据结束*/
+        logger.debug("encapsulation processing data time consuming:{}ms",
+            (System.currentTimeMillis() - start));
+        return model;
+    }
+
+    /**
+     * packageColumn
+     * @param columnModels {@link List}
+     * @param keyList {@link List}
+     * @param column {@link Column}
+     */
+    private void packageColumn(List<ColumnModel> columnModels, List<String> keyList,
+                               Column column) {
+        ColumnModel columnModel = new ColumnModel();
+        //表中的列的索引（从 1 开始）
+        columnModel.setOrdinalPosition(column.getOrdinalPosition());
+        //列名称
+        columnModel.setColumnName(column.getColumnName());
+        //类型
+        columnModel.setColumnType(column.getColumnType());
+        //字段名称
+        columnModel.setTypeName(column.getTypeName());
+        //长度
+        columnModel.setColumnLength(column.getColumnLength());
+        columnModel.setColumnLength(column.getColumnLength());
+        //size
+        columnModel.setColumnSize(column.getColumnSize());
+        //小数位
+        columnModel.setDecimalDigits(
+            StringUtils.defaultString(column.getDecimalDigits(), ZERO_DECIMAL_DIGITS));
+        //可为空
+        columnModel.setNullable(ZERO.equals(column.getNullable()) ? N : Y);
+        //是否主键
+        columnModel.setPrimaryKey(keyList.contains(column.getColumnName()) ? Y : N);
+        //默认值
+        columnModel.setColumnDef(column.getColumnDef());
+        //说明
+        columnModel.setRemarks(column.getRemarks());
+        //放入集合
+        columnModels.add(columnModel);
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/process/Process.java

@@ -0,0 +1,38 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.process;
+
+import cn.smallbun.screw.core.metadata.model.DataModel;
+
+import java.io.Serializable;
+
+/**
+ * 构建
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/22 21:08
+ */
+public interface Process extends Serializable {
+    /**
+     * 处理
+     *
+     * @return {@link DataModel}
+     * @throws Exception Exception
+     */
+    DataModel process() throws Exception;
+}

screw-core/src/main/java/cn/smallbun/screw/core/process/ProcessConfig.java

@@ -0,0 +1,62 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.process;
+
+import lombok.Builder;
+import lombok.Data;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 数据处理
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/4/1 22:22
+ */
+@Data
+@Builder
+public class ProcessConfig implements Serializable {
+    /**
+     * 忽略表名
+     */
+    private List<String> ignoreTableName;
+    /**
+     * 忽略表前缀
+     */
+    private List<String> ignoreTablePrefix;
+    /**
+     * 忽略表后缀
+     */
+    private List<String> ignoreTableSuffix;
+    /**
+     * 指定生成表名
+     * @see "1.0.3"
+     */
+    private List<String> designatedTableName;
+    /**
+     * 指定生成表前缀
+     * @see "1.0.3"
+     */
+    private List<String> designatedTablePrefix;
+    /**
+     * 指定生成表后缀
+     * @see "1.0.3"
+     */
+    private List<String> designatedTableSuffix;
+}

screw-core/src/main/java/cn/smallbun/screw/core/process/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Data processing
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 15:28
+ */
+package cn.smallbun.screw.core.process;

screw-core/src/main/java/cn/smallbun/screw/core/query/AbstractDatabaseQuery.java

@@ -0,0 +1,205 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+import cn.smallbun.screw.core.util.StringUtils;
+import com.zaxxer.hikari.HikariDataSource;
+import lombok.Getter;
+
+import javax.sql.DataSource;
+import java.sql.*;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.concurrent.ConcurrentHashMap;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+
+/**
+ * AbstractDataBaseQuery
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 12:50
+ */
+public abstract class AbstractDatabaseQuery implements DatabaseQuery {
+    /**
+     * 缓存
+     */
+    protected final Map<String, List<Column>> columnsCaching = new ConcurrentHashMap<>();
+    /**
+     * DataSource
+     */
+    @Getter
+    private final DataSource                  dataSource;
+
+    /**
+     * Connection 双重锁，线程安全
+     */
+    volatile protected Connection             connection;
+
+    public AbstractDatabaseQuery(DataSource dataSource) {
+        this.dataSource = dataSource;
+    }
+
+    /**
+     * 获取连接对象，单例模式，采用双重锁检查
+     *
+     * @return {@link Connection}
+     * @throws QueryException QueryException
+     */
+    private Connection getConnection() throws QueryException {
+        try {
+            //不为空
+            if (!Objects.isNull(connection) && !connection.isClosed()) {
+                System.out.println(connection);
+                return connection;
+            }
+            //同步代码块
+            synchronized (AbstractDatabaseQuery.class) {
+                //为空或者已经关闭
+                if (Objects.isNull(connection) || connection.isClosed()) {
+                    this.connection = this.getDataSource().getConnection();
+                }
+            }
+            return this.connection;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 获取 getCatalog
+     *
+     * @return {@link String}
+     * @throws QueryException QueryException
+     */
+    protected String getCatalog() throws QueryException {
+        try {
+            String catalog = this.getConnection().getCatalog();
+            if (StringUtils.isBlank(catalog)) {
+                return null;
+            }
+            return catalog;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 获取 getSchema
+     *
+     * @return {@link String}
+     * @throws QueryException QueryException
+     */
+    protected String getSchema() throws QueryException {
+        try {
+            String schema;
+            //获取数据库URL 用于判断数据库类型
+            String url = this.getConnection().getMetaData().getURL();
+            //获取数据库名称
+            String name = JdbcUtils.getDbType(url).getName();
+            if (DatabaseType.CACHEDB.getName().equals(name)) {
+                schema = verifySchema(this.getDataSource());
+            } else {
+                schema = this.getConnection().getSchema();
+            }
+
+            if (StringUtils.isBlank(schema)) {
+                return null;
+            }
+            return schema;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 验证Schema
+     *
+     * @param dataSource {@link DataSource}
+     * @return Schema
+     */
+    private String verifySchema(DataSource dataSource) throws SQLException {
+        String schema;
+        if (dataSource instanceof HikariDataSource) {
+            schema = ((HikariDataSource) dataSource).getSchema();
+        } else {
+            schema = dataSource.getConnection().getSchema();
+        }
+
+        //验证是否有此Schema
+        ResultSet resultSet = this.getConnection().getMetaData().getSchemas();
+        while (resultSet.next()) {
+            int columnCount = resultSet.getMetaData().getColumnCount();
+            for (int i = 1; i <= columnCount; i++) {
+                String columnValue = resultSet.getString(i);
+                if (StringUtils.isNotBlank(columnValue) && columnValue.contains(schema)) {
+                    return schema;
+                }
+            }
+        }
+        return null;
+    }
+
+    /**
+     * 获取 DatabaseMetaData
+     *
+     * @return {@link DatabaseMetaData}
+     * @throws QueryException QueryException
+     */
+    protected DatabaseMetaData getMetaData() throws QueryException {
+        try {
+            return this.getConnection().getMetaData();
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 准备声明
+     *
+     * @param sql {@link String} SQL
+     * @return {@link PreparedStatement}
+     * @throws QueryException QueryException
+     */
+    protected PreparedStatement prepareStatement(String sql) throws QueryException {
+        Assert.notEmpty(sql, "Sql can not be empty!");
+        try {
+            return this.getConnection().prepareStatement(sql);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/DatabaseQuery.java

@@ -0,0 +1,88 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import com.ibm.db2.cmx.runtime.internal.repository.metadata.ForeignKeyInfo;
+
+import java.io.Serializable;
+import java.util.List;
+
+/**
+ * 通用查询接口
+ * 查询数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 11:58
+ */
+public interface DatabaseQuery extends Serializable {
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     * @throws QueryException QueryException
+     */
+    Database getDataBase() throws QueryException;
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     * @throws QueryException QueryException
+     */
+    List<? extends Table> getTables() throws QueryException;
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    List<? extends Column> getTableColumns(String table) throws QueryException;
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    List<? extends Column> getTableColumns() throws QueryException;
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException;
+
+    /**
+     * 获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    List<? extends PrimaryKey> getPrimaryKeys() throws QueryException;
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/DatabaseQueryFactory.java

@@ -0,0 +1,80 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query;
+
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+import lombok.Getter;
+
+import javax.sql.DataSource;
+import java.io.Serializable;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
+import java.sql.SQLException;
+
+/**
+ * 数据库查询工厂
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 14:15
+ */
+public class DatabaseQueryFactory implements Serializable {
+    /**
+     * DataSource
+     */
+    @Getter
+    private DataSource dataSource;
+
+    /**
+     * 构造函数私有化
+     * 禁止通过new方式实例化对象
+     */
+    private DatabaseQueryFactory() {
+    }
+
+    /**
+     * 构造函数
+     *
+     * @param source {@link DataSource}
+     */
+    public DatabaseQueryFactory(DataSource source) {
+        dataSource = source;
+    }
+
+    /**
+     * 获取配置的数据库类型实例
+     *
+     * @return {@link DatabaseQuery} 数据库查询对象
+     */
+    public DatabaseQuery newInstance() {
+        try {
+            //获取数据库URL 用于判断数据库类型
+            String url = this.getDataSource().getConnection().getMetaData().getURL();
+            //获取实现类
+            Class<? extends DatabaseQuery> query = JdbcUtils.getDbType(url).getImplClass();
+            //获取有参构造
+            Constructor<? extends DatabaseQuery> constructor = query
+                .getConstructor(DataSource.class);
+            //实例化
+            return constructor.newInstance(dataSource);
+        } catch (InstantiationException | IllegalAccessException | NoSuchMethodException
+                | InvocationTargetException | SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/DatabaseType.java

@@ -0,0 +1,186 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query;
+
+import cn.smallbun.screw.core.query.cachedb.CacheDbDataBaseQuery;
+import cn.smallbun.screw.core.query.db2.Db2DataBaseQuery;
+import cn.smallbun.screw.core.query.dm.DmDataBaseQuery;
+import cn.smallbun.screw.core.query.h2.H2DataBaseQuery;
+import cn.smallbun.screw.core.query.highgo.HigHgoDataBaseQuery;
+import cn.smallbun.screw.core.query.hsql.HsqlDataBaseQuery;
+import cn.smallbun.screw.core.query.mariadb.MariaDbDataBaseQuery;
+import cn.smallbun.screw.core.query.mysql.MySqlDataBaseQuery;
+import cn.smallbun.screw.core.query.oracle.OracleDataBaseQuery;
+import cn.smallbun.screw.core.query.phoenix.PhoenixDataBaseQuery;
+import cn.smallbun.screw.core.query.postgresql.PostgreSqlDataBaseQuery;
+import cn.smallbun.screw.core.query.sqlite.SqliteDataBaseQuery;
+import cn.smallbun.screw.core.query.sqlservice.SqlServerDataBaseQuery;
+import lombok.Getter;
+
+import java.io.Serializable;
+
+/**
+ * 数据库类型
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 11:59
+ */
+public enum DatabaseType implements Serializable {
+                                                  /**
+                                                   * MYSQL
+                                                   */
+                                                  MYSQL("mysql", "MySql数据库",
+                                                        MySqlDataBaseQuery.class),
+
+                                                  /**
+                                                   * MARIA DB
+                                                   */
+                                                  MARIADB("mariadb", "MariaDB数据库",
+                                                          MariaDbDataBaseQuery.class),
+
+                                                  /**
+                                                   * ORACLE
+                                                   */
+                                                  ORACLE("oracle", "Oracle数据库",
+                                                         OracleDataBaseQuery.class),
+
+                                                  /**
+                                                   * DB2
+                                                   */
+                                                  DB2("db2", "DB2数据库", Db2DataBaseQuery.class),
+
+                                                  /**
+                                                   * H2
+                                                   */
+                                                  H2("h2", "H2数据库", H2DataBaseQuery.class),
+
+                                                  /**
+                                                   * HSQL
+                                                   */
+                                                  HSQL("hsql", "HSQL数据库", HsqlDataBaseQuery.class),
+
+                                                  /**
+                                                   * SQLITE
+                                                   */
+                                                  SQLITE("sqlite", "SQLite数据库",
+                                                         SqliteDataBaseQuery.class),
+
+                                                  /**
+                                                   * POSTGRE
+                                                   */
+                                                  POSTGRE_SQL("PostgreSql", "Postgre数据库",
+                                                              PostgreSqlDataBaseQuery.class),
+
+                                                  /**
+                                                   * SQL SERVER 2005
+                                                   */
+                                                  SQL_SERVER2005("sqlServer2005",
+                                                                 "SQLServer2005数据库",
+                                                                 SqlServerDataBaseQuery.class),
+
+                                                  /**
+                                                   * SQLSERVER
+                                                   */
+                                                  SQL_SERVER("sqlserver", "SQLServer数据库",
+                                                             SqlServerDataBaseQuery.class),
+
+                                                  /**
+                                                   * DM
+                                                   */
+                                                  DM("dm", "达梦数据库", DmDataBaseQuery.class),
+
+                                                  /**
+                                                   * HIGHGO
+                                                   */
+                                                  HIGHGO("highgo", "瀚高数据库",
+                                                         HigHgoDataBaseQuery.class),
+
+                                                  /**
+                                                   * xugu
+                                                   */
+                                                  XU_GU("xugu", "虚谷数据库", OtherDataBaseQuery.class),
+
+                                                  /**
+                                                   * Kingbase
+                                                   */
+                                                  KINGBASE_ES("kingbasees", "人大金仓数据库",
+                                                              OtherDataBaseQuery.class),
+
+                                                  /**
+                                                   * Phoenix
+                                                   */
+                                                  PHOENIX("phoenix", "Phoenix HBase数据库",
+                                                          PhoenixDataBaseQuery.class),
+
+                                                  /**
+                                                   * CacheDB
+                                                   */
+                                                  CACHEDB("cachedb", "Cache 数据库",
+                                                          CacheDbDataBaseQuery.class),
+
+                                                  /**
+                                                   * UNKONWN DB
+                                                   */
+                                                  OTHER("other", "其他数据库", OtherDataBaseQuery.class);
+
+    /**
+     * 数据库名称
+     */
+    @Getter
+    private final String                         name;
+    /**
+     * 描述
+     */
+    @Getter
+    private final String                         desc;
+    /**
+     * 查询实现
+     */
+    @Getter
+    private final Class<? extends DatabaseQuery> implClass;
+
+    /**
+     * 构造
+     *
+     * @param name  {@link String} 名称
+     * @param desc  {@link String} 描述
+     * @param query {@link Class}
+     */
+    DatabaseType(String name, String desc, Class<? extends DatabaseQuery> query) {
+        this.name = name;
+        this.desc = desc;
+        this.implClass = query;
+    }
+
+    /**
+     * 获取数据库类型
+     *
+     * @param dbType {@link String} 数据库类型字符串
+     * @return {@link DatabaseType}
+     */
+    public static DatabaseType getType(String dbType) {
+        DatabaseType[] dts = DatabaseType.values();
+        for (DatabaseType dt : dts) {
+            if (dt.getName().equalsIgnoreCase(dbType)) {
+                return dt;
+            }
+        }
+        return OTHER;
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/OtherDataBaseQuery.java

@@ -0,0 +1,105 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+
+import javax.sql.DataSource;
+import java.util.List;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+
+/**
+ * 其他数据库 暂未支持系列
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/20 17:41
+ */
+public class OtherDataBaseQuery extends AbstractDatabaseQuery {
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public OtherDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<Table> getTables() {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<Column> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/CacheDbDataBaseQuery.java

@@ -0,0 +1,238 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.cachedb;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.cachedb.model.CacheDbColumnModel;
+import cn.smallbun.screw.core.query.cachedb.model.CacheDbDatabaseModel;
+import cn.smallbun.screw.core.query.cachedb.model.CacheDbPrimaryKeyModel;
+import cn.smallbun.screw.core.query.cachedb.model.CacheDbTableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+import com.ibm.db2.cmx.runtime.internal.repository.metadata.ForeignKeyInfo;
+
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.text.MessageFormat;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+/**
+ * CacheDB 数据库查询
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/8/26
+ * @since JDK 1.8
+ */
+public class CacheDbDataBaseQuery extends AbstractDatabaseQuery {
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public CacheDbDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        CacheDbDatabaseModel model = new CacheDbDatabaseModel();
+        //当前数据库名称
+        model.setDatabase(getSchema());
+        return model;
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Table> getTables() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getCatalog(), getSchema(), null,
+                new String[] { "TABLE" });
+            //映射
+            return Mapping.convertList(resultSet, CacheDbTableModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getColumns(getCatalog(), getSchema(), table, PERCENT_SIGN);
+            //映射
+            final List<CacheDbColumnModel> list = Mapping.convertList(resultSet,
+                CacheDbColumnModel.class);
+            //这里处理是为了如果是查询全部列呢？所以处理并获取唯一表名
+            List<String> tableNames = list.stream().map(CacheDbColumnModel::getTableName)
+                .collect(Collectors.toList()).stream().distinct().collect(Collectors.toList());
+            if (CollectionUtils.isEmpty(columnsCaching)) {
+                //查询全部
+                if (table.equals(PERCENT_SIGN)) {
+                    //获取全部表列信息SQL
+                    String sql = MessageFormat
+                        .format("select TABLE_NAME as \"TABLE_NAME\",COLUMN_NAME as "
+                                + "\"COLUMN_NAME\",DESCRIPTION as \"REMARKS\","
+                                + "case when CHARACTER_MAXIMUM_LENGTH is null then DATA_TYPE  || '''' "
+                                + "else DATA_TYPE  || ''(''||CHARACTER_MAXIMUM_LENGTH ||'')'' end as \"COLUMN_TYPE\" "
+                                + "from INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = ''{0}''",
+                            getSchema());
+                    PreparedStatement statement = prepareStatement(sql);
+                    resultSet = statement.executeQuery();
+                    int fetchSize = 4284;
+                    if (resultSet.getFetchSize() < fetchSize) {
+                        resultSet.setFetchSize(fetchSize);
+                    }
+                }
+                //单表查询
+                else {
+                    //获取表列信息SQL 查询表名、列名、说明、数据类型
+                    String sql = MessageFormat
+                        .format("select TABLE_NAME as \"TABLE_NAME\",COLUMN_NAME as "
+                                + "\"COLUMN_NAME\",DESCRIPTION as \"REMARKS\","
+                                + "case when CHARACTER_MAXIMUM_LENGTH is null then DATA_TYPE  || ''''"
+                                + "else DATA_TYPE  || ''(''||CHARACTER_MAXIMUM_LENGTH ||'')'' end as \"COLUMN_TYPE\" "
+                                + "from INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = ''{0}'' and TABLE_NAME = "
+                                + "''{1}''",
+                            getSchema(), table);
+                    resultSet = prepareStatement(sql).executeQuery();
+                }
+                List<CacheDbColumnModel> inquires = Mapping.convertList(resultSet,
+                    CacheDbColumnModel.class);
+                //处理列，表名为key，列名为值
+                tableNames.forEach(name -> columnsCaching.put(name, inquires.stream()
+                    .filter(i -> i.getTableName().equals(name)).collect(Collectors.toList())));
+            }
+            //处理备注信息
+            list.forEach(i -> {
+                //从缓存中根据表名获取列信息
+                List<Column> columns = columnsCaching.get(i.getTableName());
+                columns.forEach(j -> {
+                    //列名表名一致
+                    if (i.getColumnName().equals(j.getColumnName())
+                        && i.getTableName().equals(j.getTableName())) {
+                        //放入列类型
+                        i.setColumnType(j.getColumnType());
+                        i.setColumnLength(j.getColumnLength());
+                        //放入注释
+                        i.setRemarks(j.getRemarks());
+                    }
+                });
+            });
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        //获取全部列
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getCatalog(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, CacheDbPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键信息
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            String sql = "select TABLE_CATALOG ,TABLE_NAME as \"TABLE_NAME\",TABLE_SCHEMA as \"TABLE_SCHEM\",COLUMN_NAME as \"COLUMN_NAME\",ORDINAL_POSITION as \"KEY_SEQ\" from INFORMATION_SCHEMA.COLUMNS where PRIMARY_KEY='YES' and TABLE_SCHEMA='%s'";
+            // 拼接参数
+            resultSet = prepareStatement(String.format(sql, getDataBase().getDatabase()))
+                .executeQuery();
+            return Mapping.convertList(resultSet, CacheDbPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/model/CacheDbColumnModel.java

@@ -0,0 +1,170 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.cachedb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * 表字段信息
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+@Data
+public class CacheDbColumnModel implements Column {
+
+    private static final long serialVersionUID = -7231934486902707912L;
+
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private String            scopeTable;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * BUFFER_LENGTH
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String            bufferLength;
+    /**
+     * IS_NULLABLE
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String            isNullable;
+    /**
+     * TABLE_NAME
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     *
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String            columnDef;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private String            scopeCatalog;
+    /**
+     * TABLE_SCHEM
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String            tableSchem;
+    /**
+     * COLUMN_NAME
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     * nullable
+     */
+    @MappingField(value = "NULLABLE")
+    private String            nullable;
+    /**
+     * REMARKS
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     * DECIMAL_DIGITS
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String            decimalDigits;
+    /**
+     *
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String            numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String            sqlDatetimeSub;
+    /**
+     * IS_GENERATEDCOLUMN
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String            isGeneratedcolumn;
+    /**
+     * IS_AUTOINCREMENT
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String            isAutoincrement;
+    /**
+     * SQL_DATA_TYPE
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String            sqlDataType;
+    /**
+     * CHAR_OCTET_LENGTH
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String            charOctetLength;
+    /**
+     * ORDINAL_POSITION
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String            ordinalPosition;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private String            scopeSchema;
+    /**
+     *
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private String            sourceDataType;
+    /**
+     * DATA_TYPE
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String            dataType;
+    /**
+     * TYPE_NAME
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String            typeName;
+    /**
+     * COLUMN_SIZE
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String            columnSize;
+    /**
+     * 是否主键
+     */
+    private String            primaryKey;
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String            columnType;
+
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String            columnLength;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/model/CacheDbDatabaseModel.java

@@ -0,0 +1,45 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.cachedb.model;
+
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+@Data
+public class CacheDbDatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    private String            database;
+
+    @Override
+    public List<OracleTypesModel> getTypes() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/model/CacheDbPrimaryKeyModel.java

@@ -0,0 +1,60 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.cachedb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import lombok.Data;
+
+/**
+ * 表主键
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+@Data
+public class CacheDbPrimaryKeyModel implements PrimaryKey {
+
+    private static final long serialVersionUID = -4908250184995248600L;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CATALOG")
+    private String            tableCat;
+    /**
+     * TABLE_NAME
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     * TABLE_SCHEM
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String            tableSchem;
+    /**
+     * COLUMN_NAME
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     * KEY_SEQ
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String            keySeq;
+    private String            pkName;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/model/CacheDbTableModel.java

@@ -0,0 +1,92 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.cachedb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 表信息
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+@Data
+public class CacheDbTableModel implements Table {
+
+    private static final long serialVersionUID = -1917761911812533673L;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * TABLE_NAME
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     *
+     */
+    @MappingField(value = "SELF_REFERENCING_COL_NAME")
+    private String            selfReferencingColName;
+    /**
+     * TABLE_SCHEM
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String            tableSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_SCHEM")
+    private String            typeSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_CAT")
+    private Object            typeCat;
+    /**
+     * TABLE_TYPE
+     */
+    @MappingField(value = "TABLE_TYPE")
+    private String            tableType;
+    /**
+     * REMARKS
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     *
+     */
+    @MappingField(value = "REF_GENERATION")
+    private String            refGeneration;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String            typeName;
+
+    @Override
+    public List<OracleForeignKeyModel> getForeignKeys() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/model/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * CacheDB Database query model
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+package cn.smallbun.screw.core.query.cachedb.model;

screw-core/src/main/java/cn/smallbun/screw/core/query/cachedb/package-info.java

@@ -0,0 +1,24 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * CacheDB Database query implement
+ *
+ * @author <a href ='jxh98@foxmail.com'>Josway</a> 2020/6/28
+ * @since JDK 1.8
+ */
+package cn.smallbun.screw.core.query.cachedb;

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/Db2DataBaseQuery.java

@@ -0,0 +1,224 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.db2;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.db2.model.Db2ColumnModel;
+import cn.smallbun.screw.core.query.db2.model.Db2DatabaseModel;
+import cn.smallbun.screw.core.query.db2.model.Db2PrimaryKeyModel;
+import cn.smallbun.screw.core.query.db2.model.Db2TableModel;
+import cn.smallbun.screw.core.query.mysql.model.MySqlTableModel;
+import cn.smallbun.screw.core.query.oracle.model.OracleColumnModel;
+import cn.smallbun.screw.core.query.oracle.model.OracleTableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+import org.apache.commons.lang3.StringUtils;
+
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+/**
+ * db2 数据库查询
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 14:00
+ */
+public class Db2DataBaseQuery extends AbstractDatabaseQuery {
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public Db2DataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        Db2DatabaseModel model = new Db2DatabaseModel();
+        model.setDatabase(StringUtils.trim(this.getSchema()));
+        return model;
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<Db2TableModel> getTables() {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getCatalog(), getSchema(), PERCENT_SIGN,
+                new String[] { "TABLE" });
+            //映射
+            return Mapping.convertList(resultSet, Db2TableModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, connection);
+        }
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<Db2ColumnModel> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        try {
+            //查询所有
+            List<Db2ColumnModel> list;
+            if (PERCENT_SIGN.equals(table)) {
+                List<String> tableNames = getTables().stream().map(Table::getTableName)
+                    .collect(Collectors.toList()).stream().distinct().collect(Collectors.toList());
+                //db2 getMetaData().getColumns 中 无法获取表名,循环单张表获取
+                list = new ArrayList<>();
+                for (String tableName : tableNames) {
+                    list.addAll(getTableColumns(tableName));
+                }
+            } else {
+                if (!this.columnsCaching.containsKey(table)) {
+                    //查询
+                    resultSet = getMetaData().getColumns(getCatalog(), getSchema(), table,
+                        PERCENT_SIGN);
+                    //映射
+                    list = Mapping.convertList(resultSet, Db2ColumnModel.class);
+                    //单表查询
+                    String sql = "SELECT COLNAME as NAME,TABNAME as TABLE_NAME,REMARKS,LENGTH as COLUMN_LENGTH, TYPENAME ||'('|| LENGTH ||')'  as COLUMN_TYPE,SCALE as DECIMAL_DIGITS   FROM SYSCAT.COLUMNS WHERE TABSCHEMA='"
+                                 + StringUtils.trim(getSchema())
+                                 + "' and TABNAME = '%s' ORDER BY COLNO";
+                    resultSet = prepareStatement(String.format(sql, table)).executeQuery();
+                    //db2 ColumnName 获取的不是 as column 值,使用ColumnLabel获取
+                    List<Db2ColumnModel> inquires = Mapping.convertListByColumnLabel(resultSet,
+                        Db2ColumnModel.class);
+                    for (Db2ColumnModel i : list) {
+                        inquires.forEach(j -> {
+                            //列名一致
+                            if (i.getColumnName().equals(j.getColumnName())) {
+                                //放入备注
+                                i.setRemarks(j.getRemarks());
+                                i.setColumnLength(j.getColumnLength());
+                                i.setColumnType(j.getColumnType());
+                                i.setTableName(j.getTableName());
+                                i.setDecimalDigits(j.getDecimalDigits());
+                                if ("NO".equals(i.getNullable())) {
+                                    i.setNullable("0");
+                                }
+                            }
+                        });
+                    }
+                    this.columnsCaching.put(table,
+                        list.stream().filter(i -> StringUtils.isNotBlank(i.getColumnName()))
+                            .collect(Collectors.toList()));
+                } else {
+                    list = this.columnsCaching.get(table).stream().map(c -> (Db2ColumnModel) c)
+                        .collect(Collectors.toList());
+                }
+            }
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getCatalog(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, Db2PrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            String sql = "SELECT TABSCHEMA as TABLE_SCHEM, TABNAME as TABLE_NAME ,COLNAME as COLUMN_NAME,KEYSEQ as KEY_SEQ   FROM SYSCAT.COLUMNS WHERE TABSCHEMA = '%s' AND KEYSEQ IS NOT NULL ORDER BY KEYSEQ";
+            resultSet = prepareStatement(String.format(sql, getDataBase().getDatabase()))
+                .executeQuery();
+            return Mapping.convertListByColumnLabel(resultSet, Db2PrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/model/Db2ColumnModel.java

@@ -0,0 +1,175 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.db2.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * db2 table column
+ *
+ * @author hexw
+ * Created by 964104818@qq.com on 2021/05/31 8:44
+ */
+@Data
+public class Db2ColumnModel implements Column {
+    /**
+     * 表名称，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private Object scopeTable;
+    /**
+     * 表类别
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object tableCat;
+    /**
+     * 未被使用
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String bufferLength;
+    /**
+     * ISO 规则用于确定列是否包括 null。
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String isNullable;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * 该列的默认值，当值在单引号内时应被解释为一个字符串（可为 null）
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String columnDef;
+    /**
+     * 表的类别，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private Object scopeCatalog;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 列名称
+     */
+    @MappingField(value = "NAME")
+    private String columnName;
+    /**
+     * 是否允许使用 NULL。
+     */
+    @MappingField(value = "NULLABLE")
+    private String nullable;
+    /**
+     * 描述列的注释（可为 null）
+     */
+    @MappingField(value = "REMARKS")
+    private String remarks;
+    /**
+     * 小数部分的位数。对于 DECIMAL_DIGITS 不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String decimalDigits;
+    /**
+     * 基数（通常为 10 或 2）
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String sqlDatetimeSub;
+    /**
+     *
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String isGeneratedColumn;
+    /**
+     * 指示此列是否自动增加
+     * YES --- 如果该列自动增加
+     * NO --- 如果该列不自动增加
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String isAutoIncrement;
+    /**
+     * SQL数据类型
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String sqlDataType;
+    /**
+     * 对于 char 类型，该长度是列中的最大字节数
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String charOctetLength;
+    /**
+     * 表中的列的索引（从 1 开始）
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String ordinalPosition;
+    /**
+     * 表的模式，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private String scopeSchema;
+    /**
+     * 不同类型或用户生成 Ref 类型、来自 java.sql.Types 的 SQL 类型的源类型（如果 DATA_TYPE 不是 DISTINCT 或用户生成的 REF，则为 null）
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private String sourceDataType;
+    /**
+     * 来自 java.sql.Types 的 SQL 类型
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String dataType;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String typeName;
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String columnSize;
+
+    /**
+     * 是否主键
+     */
+    private String primaryKey;
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String columnType;
+
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String columnLength;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/model/Db2DatabaseModel.java

@@ -0,0 +1,47 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.db2.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * db2数据库信息
+ *
+ * @author hexw
+ * Created by 964104818@qq.com on 2021/05/31 8:44
+ */
+@Data
+public class Db2DatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            database;
+
+    @Override
+    public List<OracleTypesModel> getTypes() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/model/Db2PrimaryKeyModel.java

@@ -0,0 +1,58 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.db2.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import lombok.Data;
+
+/**
+ * db2 table primary
+ *
+ * @author hexw
+ * Created by 964104818@qq.com on 2021/05/31 8:44
+ */
+@Data
+public class Db2PrimaryKeyModel implements PrimaryKey {
+
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * pk name
+     */
+    @MappingField(value = "PK_NAME")
+    private String pkName;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 列名
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String columnName;
+    /**
+     * 键序列
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String keySeq;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/model/Db2TableModel.java

@@ -0,0 +1,65 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.db2.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * db2 table
+ *
+ * @author hexw
+ * Created by 964104818@qq.com on 2021/05/31 8:44
+ */
+@Data
+public class Db2TableModel implements Table {
+    /**
+     * TABLE_CAT
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "NAME")
+    private String tableName;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 表类型
+     */
+    @MappingField(value = "TABLE_TYPE")
+    private String tableType;
+    /**
+     * 备注
+     */
+    @MappingField(value = "REMARKS")
+    private String remarks;
+
+    @Override
+    public List<OracleForeignKeyModel> getForeignKeys() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/db2/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * DB2 Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:00
+ */
+package cn.smallbun.screw.core.query.db2;

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/DmDataBaseQuery.java

@@ -0,0 +1,302 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.dm;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.stream.Collectors;
+
+import javax.sql.DataSource;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.dm.model.DmColumnModel;
+import cn.smallbun.screw.core.query.dm.model.DmDatabaseModel;
+import cn.smallbun.screw.core.query.dm.model.DmPrimaryKeyModel;
+import cn.smallbun.screw.core.query.dm.model.DmTableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+
+/**
+ * 达梦数据库查询
+ *
+ * @author SanLi
+ * Created by jincy@neusoft.com + qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/9/17 17:40
+ */
+@SuppressWarnings("serial")
+public class DmDataBaseQuery extends AbstractDatabaseQuery {
+    private final ConcurrentMap<String, List<DmTableModel>> tablesMap            = new ConcurrentHashMap<>();
+    private static final String                             DM_QUERY_TABLE_SQL   = ""
+                                                                                   + "select                                "
+                                                                                   + "    ut.table_name TABLE_NAME,         "
+                                                                                   + "    utc.comments COMMENTS             "
+                                                                                   + "from                                  "
+                                                                                   + "        user_tables ut                "
+                                                                                   + "left join USER_TAB_COMMENTS utc       "
+                                                                                   + "on                                    "
+                                                                                   + "        ut.table_name=utc.table_name  ";
+
+    private static final String                             DM_QUERY_COLUMNS_SQL = ""
+                                                                                   + "select         "
+                                                                                   + "        ut.table_name TABLE_NAME    ,    "
+                                                                                   + "        uc.column_name COLUMN_NAME  ,    "
+                                                                                   //+ "        case uc.data_type when 'INT' then uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type when 'INTEGER' then uc.data_type else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
+                                                                                   + "        case uc.data_type when 'CLOB' then uc.data_type when 'BLOB' then uc.data_type  else  concat(concat(concat(uc.data_type, '('), uc.data_length), ')')  end case AS COLUMN_TYPE     ,      "
+                                                                                   + "        uc.data_length COLUMN_LENGTH  ,  "
+                                                                                   + "        uc.DATA_PRECISION  DATA_PRECISION,  "
+                                                                                   + "        uc.DATA_SCALE DECIMAL_DIGITS,  "
+                                                                                   + "        case uc.NULLABLE when 'Y' then '1' else '0' end case NULLABLE,"
+                                                                                   + "        uc.DATA_DEFAULT COLUMN_DEF,  "
+                                                                                   + "        ucc.comments REMARKS          "
+                                                                                   + "from                                     "
+                                                                                   + "        user_tables ut                     "
+                                                                                   + "left join USER_TAB_COMMENTS utc            "
+                                                                                   + "on                                         "
+                                                                                   + "        ut.table_name=utc.table_name       "
+                                                                                   + "left join user_tab_columns uc              "
+                                                                                   + "on                                         "
+                                                                                   + "        ut.table_name=uc.table_name        "
+                                                                                   + "left join user_col_comments ucc            "
+                                                                                   + "on                                         "
+                                                                                   + "        uc.table_name =ucc.table_name      "
+                                                                                   + "    and uc.column_name=ucc.column_name  "
+                                                                                   + "where 1=1  ";
+
+    private static final String                             DM_QUERY_PK_SQL      = "" + "SELECT "
+                                                                                   + "C.OWNER AS TABLE_SCHEM, "
+                                                                                   + "C.TABLE_NAME          , "
+                                                                                   + "C.COLUMN_NAME         , "
+                                                                                   + "C.POSITION        AS KEY_SEQ , "
+                                                                                   + "C.CONSTRAINT_NAME AS PK_NAME "
+                                                                                   + "FROM "
+                                                                                   + "        ALL_CONS_COLUMNS C, "
+                                                                                   + "        ALL_CONSTRAINTS K "
+                                                                                   + "WHERE "
+                                                                                   + "        K.CONSTRAINT_TYPE = 'P' "
+                                                                                   + "    AND K.OWNER           = '%s' "
+                                                                                   + "    AND K.CONSTRAINT_NAME = C.CONSTRAINT_NAME "
+                                                                                   + "    AND K.TABLE_NAME      = C.TABLE_NAME "
+                                                                                   + "    AND K.OWNER           = C.OWNER ";
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public DmDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        DmDatabaseModel model = new DmDatabaseModel();
+        //当前数据库名称
+        model.setDatabase(getSchema());
+        return model;
+    }
+
+    /**
+     * 获取达梦数据库的schema
+     *
+     * @return {@link String} 达梦数据库的schema信息
+     */
+    @Override
+    public String getSchema() throws QueryException {
+        return null;
+    }
+
+    /**
+     * 获取达梦数据库的schema
+     *
+     * @return {@link String} 达梦数据库的schema信息
+     */
+    public String getSchemaBak() throws QueryException {
+        try {
+            String schema = null;
+            ResultSet rs = getMetaData().getSchemas();
+            while (rs.next()) {
+                schema = rs.getString(1);
+                break;
+            }
+            return schema;
+        } catch (Exception e) {
+            throw ExceptionUtils.mpe(e);
+        }
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<DmTableModel> getTables() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getSchema(), getSchema(), PERCENT_SIGN,
+                new String[] { "TABLE" });
+            //映射
+            List<DmTableModel> list = Mapping.convertList(resultSet, DmTableModel.class);
+
+            resultSet = prepareStatement(DM_QUERY_TABLE_SQL).executeQuery();
+            List<DmTableModel> inquires = Mapping.convertList(resultSet, DmTableModel.class);
+
+            //处理备注信息
+            list.forEach((DmTableModel model) -> {
+                //备注
+                inquires.stream()
+                    .filter(inquire -> model.getTableName().equals(inquire.getTableName()))
+                    .forEachOrdered(inquire -> model.setRemarks(inquire.getRemarks()));
+            });
+            if (!list.isEmpty()) {
+                tablesMap.put("AllTable", list);
+            }
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     */
+    @Override
+    public List<DmColumnModel> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        List<DmColumnModel> resultList = new ArrayList<>();
+        List<String> tableNames = new ArrayList<>();
+        try {
+            //从缓存中获取表对象
+            List<DmTableModel> tables = tablesMap.get("AllTable");
+            if (tables.isEmpty()) {
+                tables = getTables();
+            } else {
+                for (DmTableModel dtm : tables) {
+                    tableNames.add(dtm.getTableName());
+                }
+            }
+            /*如果表为空，则直接返回*/
+            if (tableNames.isEmpty()) {
+                return null;
+            }
+
+            if (CollectionUtils.isEmpty(columnsCaching)) {
+                //查询全部
+                if (table.equals(PERCENT_SIGN)) {
+                    PreparedStatement statement = prepareStatement(DM_QUERY_COLUMNS_SQL);
+                    resultSet = statement.executeQuery();
+                } else {
+                    //查询单表的列信息
+                    String singleTableSql = DM_QUERY_COLUMNS_SQL.concat(" and ut.table_name='%s'");
+                    resultSet = prepareStatement(String.format(singleTableSql, table))
+                        .executeQuery();
+                }
+
+                List<DmColumnModel> inquires = Mapping.convertList(resultSet, DmColumnModel.class);
+                //这里利用lambda表达式将多行列信息按table name 进行归类，并放入缓存
+                tableNames.forEach(name -> columnsCaching.put(name, inquires.stream()
+                    .filter(i -> i.getTableName().equals(name)).collect(Collectors.toList())));
+                resultList = inquires;
+            }
+            return resultList;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getSchema(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, DmPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            String sql = String.format(DM_QUERY_PK_SQL, getSchema());
+            resultSet = prepareStatement(sql).executeQuery();
+            return Mapping.convertList(resultSet, DmPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/model/DmColumnModel.java

@@ -0,0 +1,177 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.dm.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * oracle table column
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/27 8:44
+ */
+@Data
+public class DmColumnModel implements Column {
+    /**
+     * 表名称，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private Object scopeTable;
+    /**
+     * 表类别
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object tableCat;
+    /**
+     * 未被使用
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String bufferLength;
+    /**
+     * ISO 规则用于确定列是否包括 null。
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String isNullable;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * 该列的默认值，当值在单引号内时应被解释为一个字符串（可为 null）
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String columnDef;
+    /**
+     * 表的类别，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private Object scopeCatalog;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 列名称
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String columnName;
+    /**
+     * 是否允许使用 NULL。
+     */
+    @MappingField(value = "NULLABLE")
+    private String nullable;
+    /**
+     * 描述列的注释（可为 null）
+     */
+    @MappingField(value = "REMARKS")
+    private String remarks;
+    /**
+     * 小数部分的位数。对于 DECIMAL_DIGITS 不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String decimalDigits;
+    /**
+     * 基数（通常为 10 或 2）
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String sqlDatetimeSub;
+    /**
+     *
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String isGeneratedColumn;
+    /**
+     * 指示此列是否自动增加
+     * YES --- 如果该列自动增加
+     * NO --- 如果该列不自动增加
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String isAutoIncrement;
+    /**
+     * SQL数据类型
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String sqlDataType;
+    /**
+     * 对于 char 类型，该长度是列中的最大字节数
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String charOctetLength;
+    /**
+     * 表中的列的索引（从 1 开始）
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String ordinalPosition;
+    /**
+     * 表的模式，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private String scopeSchema;
+    /**
+     * 不同类型或用户生成 Ref 类型、来自 java.sql.Types 的 SQL 类型的源类型（如果 DATA_TYPE 不是 DISTINCT 或用户生成的 REF，则为 null）
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private String sourceDataType;
+    /**
+     * 来自 java.sql.Types 的 SQL 类型
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String dataType;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String typeName;
+
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String columnSize;
+
+    /**
+     * 是否主键
+     */
+    private String primaryKey;
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String columnType;
+
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String columnLength;
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/model/DmDatabaseModel.java

@@ -0,0 +1,47 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.dm.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:26
+ */
+@Data
+public class DmDatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            database;
+
+    @Override
+    public List<OracleTypesModel> getTypes() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/model/DmPrimaryKeyModel.java

@@ -0,0 +1,58 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.dm.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import lombok.Data;
+
+/**
+ * oracle table primary
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/27 11:11
+ */
+@Data
+public class DmPrimaryKeyModel implements PrimaryKey {
+
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * pk name
+     */
+    @MappingField(value = "PK_NAME")
+    private String pkName;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 列名
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String columnName;
+    /**
+     * 键序列
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String keySeq;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/model/DmTableModel.java

@@ -0,0 +1,65 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.dm.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * oracle table
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/27 8:44
+ */
+@Data
+public class DmTableModel implements Table {
+    /**
+     * TABLE_CAT
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 表类型
+     */
+    @MappingField(value = "TABLE_TYPE")
+    private String tableType;
+    /**
+     * 备注
+     */
+    @MappingField(value = "REMARKS")
+    private String remarks;
+
+    @Override
+    public List<OracleForeignKeyModel> getForeignKeys() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/model/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * DM Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:00
+ */
+package cn.smallbun.screw.core.query.dm.model;

screw-core/src/main/java/cn/smallbun/screw/core/query/dm/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * DM Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:00
+ */
+package cn.smallbun.screw.core.query.dm;

screw-core/src/main/java/cn/smallbun/screw/core/query/h2/H2DataBaseQuery.java

@@ -0,0 +1,107 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.h2;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+
+import javax.sql.DataSource;
+import java.util.List;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+
+/**
+ * H2 数据库查询
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 13:58
+ */
+public class H2DataBaseQuery extends AbstractDatabaseQuery {
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public H2DataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<Table> getTables() {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<Column> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/h2/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * H2 Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:01
+ */
+package cn.smallbun.screw.core.query.h2;

screw-core/src/main/java/cn/smallbun/screw/core/query/highgo/HigHgoDataBaseQuery.java

@@ -0,0 +1,107 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.highgo;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+
+import javax.sql.DataSource;
+import java.util.List;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+
+/**
+ * 瀚高数据库查询
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/20 17:40
+ */
+public class HigHgoDataBaseQuery extends AbstractDatabaseQuery {
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public HigHgoDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<Table> getTables() {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<Column> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/highgo/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Highgo Database query model
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:01
+ */
+package cn.smallbun.screw.core.query.highgo;

screw-core/src/main/java/cn/smallbun/screw/core/query/hsql/HsqlDataBaseQuery.java

@@ -0,0 +1,106 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.hsql;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+
+import javax.sql.DataSource;
+import java.util.List;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.NOT_SUPPORTED;
+
+/**
+ * hsql 数据库查询
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 13:59
+ */
+public class HsqlDataBaseQuery extends AbstractDatabaseQuery {
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public HsqlDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<Table> getTables() {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<Column> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        throw ExceptionUtils.mpe(NOT_SUPPORTED);
+    }
+
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/hsql/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * HSQL Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:01
+ */
+package cn.smallbun.screw.core.query.hsql;

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/MariaDbDataBaseQuery.java

@@ -0,0 +1,218 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mariadb;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.mariadb.model.MariadbColumnModel;
+import cn.smallbun.screw.core.query.mariadb.model.MariadbDatabaseModel;
+import cn.smallbun.screw.core.query.mariadb.model.MariadbPrimaryKeyModel;
+import cn.smallbun.screw.core.query.mariadb.model.MariadbTableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+/**
+ * mariadb 数据库查询
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 13:59
+ */
+public class MariaDbDataBaseQuery extends AbstractDatabaseQuery {
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public MariaDbDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        MariadbDatabaseModel model = new MariadbDatabaseModel();
+        model.setDatabase(getCatalog());
+        return model;
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<MariadbTableModel> getTables() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getCatalog(), getSchema(), PERCENT_SIGN,
+                new String[] { "TABLE" });
+            //映射
+            return Mapping.convertList(resultSet, MariadbTableModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     */
+    @SuppressWarnings("DuplicatedCode")
+    @Override
+    public List<MariadbColumnModel> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getColumns(getCatalog(), getSchema(), table, PERCENT_SIGN);
+            //映射
+            List<MariadbColumnModel> list = Mapping.convertList(resultSet,
+                MariadbColumnModel.class);
+            //这里处理是为了如果是查询全部列呢？所以处理并获取唯一表名
+            List<String> tableNames = list.stream().map(MariadbColumnModel::getTableName)
+                .collect(Collectors.toList()).stream().distinct().collect(Collectors.toList());
+            if (CollectionUtils.isEmpty(columnsCaching)) {
+                //查询全部
+                if (table.equals(PERCENT_SIGN)) {
+                    //获取全部表列信息SQL
+                    String sql = "SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_TYPE, case when LOCATE('(', A.COLUMN_TYPE) > 0 then replace(substring(A.COLUMN_TYPE, LOCATE('(', A.COLUMN_TYPE) + 1), ')', '') else null end COLUMN_LENGTH FROM INFORMATION_SCHEMA.COLUMNS A WHERE A.TABLE_SCHEMA = '%s'";
+                    PreparedStatement statement = prepareStatement(
+                        String.format(sql, getDataBase().getDatabase()));
+                    resultSet = statement.executeQuery();
+                    int fetchSize = 4284;
+                    if (resultSet.getFetchSize() < fetchSize) {
+                        resultSet.setFetchSize(fetchSize);
+                    }
+                }
+                //单表查询
+                else {
+                    //获取表列信息SQL 查询表名、列名、说明、数据类型
+                    String sql = "SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_TYPE, case when LOCATE('(', A.COLUMN_TYPE) > 0 then replace(substring(A.COLUMN_TYPE, LOCATE('(', A.COLUMN_TYPE) + 1), ')', '') else null end COLUMN_LENGTH FROM INFORMATION_SCHEMA.COLUMNS A WHERE A.TABLE_SCHEMA = '%s' and A.TABLE_NAME = '%s'";
+                    resultSet = prepareStatement(
+                        String.format(sql, getDataBase().getDatabase(), table)).executeQuery();
+                }
+                List<MariadbColumnModel> inquires = Mapping.convertList(resultSet,
+                    MariadbColumnModel.class);
+                //处理列，表名为key，列名为值
+                tableNames.forEach(name -> columnsCaching.put(name, inquires.stream()
+                    .filter(i -> i.getTableName().equals(name)).collect(Collectors.toList())));
+            }
+            //处理备注信息
+            list.forEach(i -> {
+                //从缓存中根据表名获取列信息
+                List<Column> columns = columnsCaching.get(i.getTableName());
+                columns.forEach(j -> {
+                    //列名表名一致
+                    if (i.getColumnName().equals(j.getColumnName())
+                        && i.getTableName().equals(j.getTableName())) {
+                        //放入列类型
+                        i.setColumnType(j.getColumnType());
+                        i.setColumnLength(j.getColumnLength());
+                    }
+                });
+            });
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        //获取全部列
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getCatalog(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, MariadbPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            // MySQL 8 now use 'PRI' in place of 'pri'
+            String sql = "SELECT A.TABLE_SCHEMA TABLE_CAT, NULL TABLE_SCHEM, A.TABLE_NAME, A.COLUMN_NAME, B.SEQ_IN_INDEX KEY_SEQ, B.INDEX_NAME PK_NAME FROM INFORMATION_SCHEMA.COLUMNS A, INFORMATION_SCHEMA.STATISTICS B WHERE A.COLUMN_KEY in('PRI', 'pri') AND B.INDEX_NAME = 'PRIMARY' AND (A.TABLE_SCHEMA = '%s') AND (B.TABLE_SCHEMA = '%s') AND A.TABLE_SCHEMA = B.TABLE_SCHEMA AND A.TABLE_NAME = B.TABLE_NAME AND A.COLUMN_NAME = B.COLUMN_NAME ORDER BY A.COLUMN_NAME";
+            // 拼接参数
+            String database = getDataBase().getDatabase();
+            resultSet = prepareStatement(String.format(sql, database, database)).executeQuery();
+            return Mapping.convertList(resultSet, MariadbPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/model/MariadbColumnModel.java

@@ -0,0 +1,176 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mariadb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * 表字段信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:24
+ */
+@Data
+public class MariadbColumnModel implements Column {
+
+    private static final long serialVersionUID = -7231934486902707912L;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private Object            scopeTable;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     *
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String            bufferLength;
+    /**
+     *
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String            isNullable;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     *
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String            columnDef;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private Object            scopeCatalog;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private Object            tableSchem;
+    /**
+     *
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     *
+     */
+    @MappingField(value = "NULLABLE")
+    private String            nullable;
+    /**
+     *
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     *
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String            decimalDigits;
+    /**
+     *
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String            numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String            sqlDatetimeSub;
+    /**
+     *
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String            isGeneratedColumn;
+    /**
+     *
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String            isAutoIncrement;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String            sqlDataType;
+    /**
+     *
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String            charOctetLength;
+    /**
+     *
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String            ordinalPosition;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private Object            scopeSchema;
+    /**
+     *
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private Object            sourceDataType;
+    /**
+     *
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String            dataType;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String            typeName;
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String            columnSize;
+
+    /**
+     * 是否主键
+     */
+    private String            primaryKey;
+
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String            columnType;
+
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String            columnLength;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/model/MariadbDatabaseModel.java

@@ -0,0 +1,47 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mariadb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:26
+ */
+@Data
+public class MariadbDatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            database;
+
+    @Override
+    public List<OracleTypesModel> getTypes() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/model/MariadbPrimaryKeyModel.java

@@ -0,0 +1,64 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mariadb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import lombok.Data;
+
+/**
+ * 表主键
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/25 16:52
+ */
+@Data
+public class MariadbPrimaryKeyModel implements PrimaryKey {
+
+    private static final long serialVersionUID = -4908250184995248600L;
+    /**
+     * tableCat
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     * 主键名称
+     */
+    @MappingField(value = "PK_NAME")
+    private String            pkName;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String            tableSchem;
+    /**
+     * 列名
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     * 关键序列
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String            keySeq;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/model/MariadbTableModel.java

@@ -0,0 +1,93 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mariadb.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 表信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:22
+ */
+@Data
+public class MariadbTableModel implements Table {
+
+    private static final long serialVersionUID = -1917761911812533673L;
+
+    /**
+     * tableCat
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     *
+     */
+    @MappingField(value = "SELF_REFERENCING_COL_NAME")
+    private Object            selfReferencingColName;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object            tableSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_SCHEM")
+    private Object            typeSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object            typeCat;
+    /**
+     * 表类型
+     */
+    @MappingField(value = "TABLE_TYPE")
+    private String            tableType;
+    /**
+     * 备注
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     *
+     */
+    @MappingField(value = "REF_GENERATION")
+    private Object            refGeneration;
+    /**
+     * 类型名称
+     */
+    @MappingField(value = "TYPE_NAME")
+    private Object            typeName;
+
+    @Override
+    public List<OracleForeignKeyModel> getForeignKeys() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/model/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Mariadb Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:02
+ */
+package cn.smallbun.screw.core.query.mariadb.model;

screw-core/src/main/java/cn/smallbun/screw/core/query/mariadb/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * Mariadb Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:02
+ */
+package cn.smallbun.screw.core.query.mariadb;

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/MySqlDataBaseQuery.java

@@ -0,0 +1,222 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mysql;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.mysql.model.MySqlColumnModel;
+import cn.smallbun.screw.core.query.mysql.model.MySqlDatabaseModel;
+import cn.smallbun.screw.core.query.mysql.model.MySqlPrimaryKeyModel;
+import cn.smallbun.screw.core.query.mysql.model.MySqlTableModel;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+/**
+ * mysql 数据库查询
+ * <p>
+ * 这里需要注意一点，jdbc url 一定要带有 useInformationSchema=true
+ * 或者通过配置文件方式配置上,这样才会走 {@link com.mysql.cj.jdbc.DatabaseMetaDataUsingInfoSchema} 元数据查询，查询的数据库表为INFORMATION_SCHEMA
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 12:46
+ */
+public class MySqlDataBaseQuery extends AbstractDatabaseQuery {
+
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public MySqlDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        MySqlDatabaseModel model = new MySqlDatabaseModel();
+        //当前数据库名称
+        model.setDatabase(getCatalog());
+        return model;
+    }
+
+    /**
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<MySqlTableModel> getTables() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getCatalog(), getSchema(), PERCENT_SIGN,
+                new String[] { "TABLE" });
+            //映射
+            return Mapping.convertList(resultSet, MySqlTableModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     */
+    @SuppressWarnings("DuplicatedCode")
+    @Override
+    public List<MySqlColumnModel> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getColumns(getCatalog(), getSchema(), table, PERCENT_SIGN);
+            //映射
+            List<MySqlColumnModel> list = Mapping.convertList(resultSet, MySqlColumnModel.class);
+            //这里处理是为了如果是查询全部列呢？所以处理并获取唯一表名
+            List<String> tableNames = list.stream().map(MySqlColumnModel::getTableName)
+                .collect(Collectors.toList()).stream().distinct().collect(Collectors.toList());
+            if (CollectionUtils.isEmpty(columnsCaching)) {
+                //查询全部
+                if (table.equals(PERCENT_SIGN)) {
+                    //获取全部表列信息SQL
+                    String sql = "SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_TYPE, case when LOCATE('(', A.COLUMN_TYPE) > 0 then replace(substring(A.COLUMN_TYPE, LOCATE('(', A.COLUMN_TYPE) + 1), ')', '') else null end COLUMN_LENGTH FROM INFORMATION_SCHEMA.COLUMNS A WHERE A.TABLE_SCHEMA = '%s'";
+                    PreparedStatement statement = prepareStatement(
+                        String.format(sql, getDataBase().getDatabase()));
+                    resultSet = statement.executeQuery();
+                    int fetchSize = 4284;
+                    if (resultSet.getFetchSize() < fetchSize) {
+                        resultSet.setFetchSize(fetchSize);
+                    }
+                }
+                //单表查询
+                else {
+                    //获取表列信息SQL 查询表名、列名、说明、数据类型
+                    String sql = "SELECT A.TABLE_NAME, A.COLUMN_NAME, A.COLUMN_TYPE, case when LOCATE('(', A.COLUMN_TYPE) > 0 then replace(substring(A.COLUMN_TYPE, LOCATE('(', A.COLUMN_TYPE) + 1), ')', '') else null end COLUMN_LENGTH FROM INFORMATION_SCHEMA.COLUMNS A WHERE A.TABLE_SCHEMA = '%s' and A.TABLE_NAME = '%s'";
+                    resultSet = prepareStatement(
+                        String.format(sql, getDataBase().getDatabase(), table)).executeQuery();
+                }
+                List<MySqlColumnModel> inquires = Mapping.convertList(resultSet,
+                    MySqlColumnModel.class);
+                //处理列，表名为key，列名为值
+                tableNames.forEach(name -> columnsCaching.put(name, inquires.stream()
+                    .filter(i -> i.getTableName().equals(name)).collect(Collectors.toList())));
+            }
+            //处理备注信息
+            list.forEach(i -> {
+                //从缓存中根据表名获取列信息
+                List<Column> columns = columnsCaching.get(i.getTableName());
+                columns.forEach(j -> {
+                    //列名表名一致
+                    if (i.getColumnName().equals(j.getColumnName())
+                        && i.getTableName().equals(j.getTableName())) {
+                        //放入列类型
+                        i.setColumnType(j.getColumnType());
+                        i.setColumnLength(j.getColumnLength());
+                    }
+                });
+            });
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        //获取全部列
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getCatalog(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, MySqlPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键信息
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            String sql = "SELECT TABLE_SCHEMA AS TABLE_CAT, NULL AS TABLE_SCHEM, TABLE_NAME, COLUMN_NAME, SEQ_IN_INDEX AS KEY_SEQ, 'PRIMARY' AS PK_NAME FROM INFORMATION_SCHEMA.STATISTICS WHERE TABLE_SCHEMA = '%s' AND INDEX_NAME = 'PRIMARY' ORDER BY TABLE_SCHEMA, TABLE_NAME, INDEX_NAME, SEQ_IN_INDEX";
+            // 拼接参数
+            resultSet = prepareStatement(String.format(sql, getDataBase().getDatabase()))
+                .executeQuery();
+            return Mapping.convertList(resultSet, MySqlPrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/model/MySqlColumnModel.java

@@ -0,0 +1,174 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mysql.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * 表字段信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:24
+ */
+@Data
+public class MySqlColumnModel implements Column {
+
+    private static final long serialVersionUID = -7231934486902707912L;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private Object            scopeTable;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     *
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String            bufferLength;
+    /**
+     *
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String            isNullable;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     * 默认值
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String            columnDef;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private Object            scopeCatalog;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private Object            tableSchem;
+    /**
+     *
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     *
+     */
+    @MappingField(value = "NULLABLE")
+    private String            nullable;
+    /**
+     * 说明
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     * 小数位
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String            decimalDigits;
+    /**
+     *
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String            numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String            sqlDatetimeSub;
+    /**
+     *
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String            isGeneratedColumn;
+    /**
+     *
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String            isAutoIncrement;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String            sqlDataType;
+    /**
+     *
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String            charOctetLength;
+    /**
+     *
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String            ordinalPosition;
+    /**
+     *
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private Object            scopeSchema;
+    /**
+     *
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private Object            sourceDataType;
+    /**
+     * 数据类型
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String            dataType;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String            typeName;
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String            columnSize;
+    /**
+     * 是否主键
+     */
+    private String            primaryKey;
+
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String            columnType;
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String            columnLength;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/model/MySqlDatabaseModel.java

@@ -0,0 +1,45 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mysql.model;
+
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.query.oracle.model.OracleTypesModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:26
+ */
+@Data
+public class MySqlDatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    private String            database;
+
+    @Override
+    public List<OracleTypesModel> getTypes() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/model/MySqlPrimaryKeyModel.java

@@ -0,0 +1,64 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mysql.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import lombok.Data;
+
+/**
+ * 表主键
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/25 16:52
+ */
+@Data
+public class MySqlPrimaryKeyModel implements PrimaryKey {
+
+    private static final long serialVersionUID = -4908250184995248600L;
+    /**
+     * tableCat
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     * 主键名称
+     */
+    @MappingField(value = "PK_NAME")
+    private String            pkName;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String            tableSchem;
+    /**
+     * 列名
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String            columnName;
+    /**
+     *
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String            keySeq;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/model/MySqlTableModel.java

@@ -0,0 +1,92 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.mysql.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Table;
+import cn.smallbun.screw.core.query.oracle.model.OracleForeignKeyModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 表信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:22
+ */
+@Data
+public class MySqlTableModel implements Table {
+
+    private static final long serialVersionUID = -1917761911812533673L;
+    /**
+     * tableCat
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableCat;
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String            tableName;
+    /**
+     *
+     */
+    @MappingField(value = "SELF_REFERENCING_COL_NAME")
+    private String            selfReferencingColName;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            tableSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TYPE_SCHEM")
+    private String            typeSchem;
+    /**
+     *
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object            typeCat;
+    /**
+     * 表类型
+     */
+    @MappingField(value = "TABLE_TYPE")
+    private String            tableType;
+    /**
+     * 备注
+     */
+    @MappingField(value = "REMARKS")
+    private String            remarks;
+    /**
+     *
+     */
+    @MappingField(value = "REF_GENERATION")
+    private String            refGeneration;
+    /**
+     * 类型名称
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String            typeName;
+
+    @Override
+    public List<OracleForeignKeyModel> getForeignKeys() {
+        return null;
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/model/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * MySql Database query model
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:02
+ */
+package cn.smallbun.screw.core.query.mysql.model;

screw-core/src/main/java/cn/smallbun/screw/core/query/mysql/package-info.java

@@ -0,0 +1,23 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+/**
+ * MySQL Database query implement
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/6/19 16:02
+ */
+package cn.smallbun.screw.core.query.mysql;

screw-core/src/main/java/cn/smallbun/screw/core/query/oracle/OracleDataBaseQuery.java

@@ -0,0 +1,349 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.oracle;
+
+import cn.smallbun.screw.core.exception.QueryException;
+import cn.smallbun.screw.core.mapping.Mapping;
+import cn.smallbun.screw.core.metadata.Column;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.ForeignKey;
+import cn.smallbun.screw.core.metadata.PrimaryKey;
+import cn.smallbun.screw.core.query.AbstractDatabaseQuery;
+import cn.smallbun.screw.core.query.oracle.model.*;
+import cn.smallbun.screw.core.util.Assert;
+import cn.smallbun.screw.core.util.CollectionUtils;
+import cn.smallbun.screw.core.util.ExceptionUtils;
+import cn.smallbun.screw.core.util.JdbcUtils;
+import com.alibaba.fastjson.JSON;
+
+import javax.sql.DataSource;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static cn.smallbun.screw.core.constant.DefaultConstants.PERCENT_SIGN;
+
+/**
+ * oracle 数据库查询
+ * <p>
+ * 还是采用从驱动中拿到数据的方式，这里注意一点，一定要加入配置参数remarks为true 否则表和列等说明不会查询出来
+ * hikari：
+ * config.addDataSourceProperty("remarks", "true");
+ * <p>
+ * 不过这种查询性能很慢 https://docs.oracle.com/en/database/oracle/oracle-database/20/jjdbc/performance-extensions.html#GUID-15865071-39F2-430F-9EDA-EB34D0B2D560
+ * 所以，只能够通过自定义SQL来了
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/18 13:58
+ */
+@SuppressWarnings("Duplicates")
+public class OracleDataBaseQuery extends AbstractDatabaseQuery {
+    /**
+     * 构造函数
+     *
+     * @param dataSource {@link DataSource}
+     */
+    public OracleDataBaseQuery(DataSource dataSource) {
+        super(dataSource);
+    }
+
+    /**
+     * 获取数据库
+     *
+     * @return {@link Database} 数据库信息
+     */
+    @Override
+    public Database getDataBase() throws QueryException {
+        OracleDatabaseModel model = new OracleDatabaseModel();
+        //当前数据库名称
+        model.setDatabase(getSchema());
+        //查询当前数据库自定义类型
+        List<OracleTypesModel> typeList = getCustomTypes();
+        model.setTypes(typeList);
+        return model;
+    }
+
+
+    /**
+     * TODO 该出再加入该表外键以及外键约束和外键关联表
+     * 获取表信息
+     *
+     * @return {@link List} 所有表信息
+     */
+    @Override
+    public List<OracleTableModel> getTables() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getTables(getCatalog(), getSchema(), PERCENT_SIGN,
+                new String[] { "TABLE" });
+            //映射
+            List<OracleTableModel> list = Mapping.convertList(resultSet, OracleTableModel.class);
+            //由于ORACLE 查询 REMARKS 非常耗费性能，所以这里使用自定义SQL查询
+            //https://docs.oracle.com/en/database/oracle/oracle-database/20/jjdbc/performance-extensions.html#GUID-15865071-39F2-430F-9EDA-EB34D0B2D560
+            //获取所有表 查询表名、说明
+            String sql = "SELECT TABLE_NAME,COMMENTS AS REMARKS FROM USER_TAB_COMMENTS WHERE TABLE_TYPE = 'TABLE'";
+            if (isDda()) {
+                //DBA 使用 DBA_TAB_COMMENTS 进行查询 Oracle连接用户和schema不同问题。dba连接用户可以生成不同schema下的表结构
+                sql = "SELECT TABLE_NAME,COMMENTS AS REMARKS FROM DBA_TAB_COMMENTS WHERE TABLE_TYPE = 'TABLE' AND OWNER = '"
+                      + getSchema() + "'";
+            }
+            resultSet = prepareStatement(String.format(sql, getSchema())).executeQuery();
+            List<OracleTableModel> inquires = Mapping.convertList(resultSet,
+                OracleTableModel.class);
+            //处理备注信息
+            list.forEach((OracleTableModel model) -> {
+                //备注
+                inquires.stream()
+                    .filter(inquire -> model.getTableName().equals(inquire.getTableName()))
+                    .forEachOrdered(inquire -> model.setRemarks(inquire.getRemarks()));
+            });
+            //查询表外键信息
+            for (OracleTableModel table:list){
+                List<OracleForeignKeyModel> foreignKeys = getForeignKeys(table.getTableName());
+                if(foreignKeys.size()!=0){
+                    table.setForeignKeys(foreignKeys);
+                }
+            }
+
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 获取列信息
+     *
+     * @param table {@link String} 表名
+     * @return {@link List} 表字段信息
+     */
+    @Override
+    public List<OracleColumnModel> getTableColumns(String table) throws QueryException {
+        Assert.notEmpty(table, "Table name can not be empty!");
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getColumns(getCatalog(), getSchema(), table, PERCENT_SIGN);
+            //映射
+            List<OracleColumnModel> list = Mapping.convertList(resultSet, OracleColumnModel.class);
+            //由于ORACLE 查询 COLUMNS REMARKS 为NULL，所以这里使用自定义SQL查询
+            //https://docs.oracle.com/en/database/oracle/oracle-database/20/jjdbc/performance-extensions.html#GUID-15865071-39F2-430F-9EDA-EB34D0B2D560
+            List<String> tableNames = list.stream().map(OracleColumnModel::getTableName)
+                .collect(Collectors.toList()).stream().distinct().collect(Collectors.toList());
+            if (CollectionUtils.isEmpty(columnsCaching)) {
+                //查询全部
+                if (table.equals(PERCENT_SIGN)) {
+                    String sql = "SELECT ut.TABLE_NAME,  ut.COLUMN_NAME, uc.comments as REMARKS, concat(concat(concat(ut.DATA_TYPE, '('), ut.DATA_LENGTH), ')') AS COLUMN_TYPE, ut.DATA_LENGTH as COLUMN_LENGTH FROM user_tab_columns ut INNER JOIN user_col_comments uc ON ut.TABLE_NAME = uc.table_name AND ut.COLUMN_NAME = uc.column_name";
+                    if (isDda()) {
+                        sql = "SELECT ut.TABLE_NAME,  ut.COLUMN_NAME, uc.comments as REMARKS, concat(concat(concat(ut.DATA_TYPE, '('), ut.DATA_LENGTH), ')') AS COLUMN_TYPE, ut.DATA_LENGTH as COLUMN_LENGTH FROM dba_tab_columns ut INNER JOIN dba_col_comments uc ON ut.TABLE_NAME = uc.table_name AND ut.COLUMN_NAME = uc.column_name and ut.OWNER = uc.OWNER WHERE ut.OWNER = '"
+                              + getDataBase() + "'";
+                    }
+                    PreparedStatement statement = prepareStatement(sql);
+                    resultSet = statement.executeQuery();
+                    int fetchSize = 4284;
+                    if (resultSet.getFetchSize() < fetchSize) {
+                        resultSet.setFetchSize(fetchSize);
+                    }
+//                    List<? extends ForeignKey> foreignKeys = getForeignKey(table);
+//                    System.out.println("joieju-uewchoehwo========"+JSON.parse(foreignKeys.toString()));
+                }
+                //单表查询
+                else {
+                    String sql = "SELECT ut.TABLE_NAME,  ut.COLUMN_NAME, uc.comments as REMARKS, concat(concat(concat(ut.DATA_TYPE, '('), ut.DATA_LENGTH), ')') AS COLUMN_TYPE, ut.DATA_LENGTH as COLUMN_LENGTH FROM user_tab_columns ut INNER JOIN user_col_comments uc ON ut.TABLE_NAME = uc.table_name AND ut.COLUMN_NAME = uc.column_name WHERE ut.Table_Name = '%s'";
+                    if (isDda()) {
+                        sql = "SELECT ut.TABLE_NAME,  ut.COLUMN_NAME, uc.comments as REMARKS, concat(concat(concat(ut.DATA_TYPE, '('), ut.DATA_LENGTH), ')') AS COLUMN_TYPE, ut.DATA_LENGTH as COLUMN_LENGTH FROM dba_tab_columns ut INNER JOIN dba_col_comments uc ON ut.TABLE_NAME = uc.table_name AND ut.COLUMN_NAME = uc.column_name and ut.OWNER = uc.OWNER WHERE ut.Table_Name = '%s' ut.OWNER = '"
+                              + getDataBase() + "'";
+                    }
+                    resultSet = prepareStatement(String.format(sql, table)).executeQuery();
+
+                }
+                List<OracleColumnModel> inquires = Mapping.convertList(resultSet,
+                    OracleColumnModel.class);
+                //处理列，表名为key，列名为值
+                tableNames.forEach(name -> columnsCaching.put(name, inquires.stream()
+                    .filter(i -> i.getTableName().equals(name)).collect(Collectors.toList())));
+            }
+            //处理备注信息
+            //从缓存中根据表名获取列信息
+            for (OracleColumnModel i : list) {
+                List<Column> columns = columnsCaching.get(i.getTableName());
+                columns.forEach(j -> {
+                    //列名表名一致
+                    if (i.getColumnName().equals(j.getColumnName())
+                        && i.getTableName().equals(j.getTableName())) {
+                        //放入备注
+                        i.setRemarks(j.getRemarks());
+                        i.setColumnLength(j.getColumnLength());
+                        i.setColumnType(j.getColumnType());
+
+                    }
+                });
+
+            }
+
+            return list;
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 获取所有列信息
+     *
+     * @return {@link List} 表字段信息
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends Column> getTableColumns() throws QueryException {
+        return getTableColumns(PERCENT_SIGN);
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @param table {@link String}
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys(String table) throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            //查询
+            resultSet = getMetaData().getPrimaryKeys(getCatalog(), getSchema(), table);
+            //映射
+            return Mapping.convertList(resultSet, OraclePrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        } finally {
+            JdbcUtils.close(resultSet, this.connection);
+        }
+    }
+
+    /**
+     * 根据表名获取主键
+     *
+     * @return {@link List}
+     * @throws QueryException QueryException
+     */
+    @Override
+    public List<? extends PrimaryKey> getPrimaryKeys() throws QueryException {
+        ResultSet resultSet = null;
+        try {
+            // 由于单条循环查询存在性能问题，所以这里通过自定义SQL查询数据库主键信息
+            String sql = "SELECT NULL AS TABLE_CAT, C.OWNER AS TABLE_SCHEM, C.TABLE_NAME, C.COLUMN_NAME, C.POSITION AS KEY_SEQ, C.CONSTRAINT_NAME AS PK_NAME FROM ALL_CONS_COLUMNS C, ALL_CONSTRAINTS K WHERE K.CONSTRAINT_TYPE = 'P' AND K.OWNER LIKE '%s' ESCAPE '/' AND K.CONSTRAINT_NAME = C.CONSTRAINT_NAME AND K.TABLE_NAME = C.TABLE_NAME AND K.OWNER = C.OWNER ORDER BY COLUMN_NAME ";
+            // 拼接参数
+            resultSet = prepareStatement(String.format(sql, getDataBase().getDatabase()))
+                .executeQuery();
+            return Mapping.convertList(resultSet, OraclePrimaryKeyModel.class);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+
+    /**
+     * 通过表名查询外键信息
+     * @param table
+     * @return
+     * @throws QueryException
+     */
+    public List<? extends ForeignKey> getForeignKey(String table) throws QueryException{
+        ResultSet resultSet = null;
+        try {
+            resultSet = getMetaData().getExportedKeys(getCatalog(),getSchema(),table);
+            return Mapping.convertList(resultSet,OracleForeignKeyModel.class);
+        } catch (SQLException e) {
+            throw ExceptionUtils.mpe(e);
+        }finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+    /**
+     * 查询外键数据
+     * @return
+     * @throws QueryException
+     */
+    public List<OracleForeignKeyModel> getForeignKeys(String table) throws QueryException{
+        ResultSet resultSet = null;
+        try {
+            String sql = "SELECT  cons.constraint_name as constraintName, cols.column_name as columnName, cons.r_constraint_name as constraintKey, cons_owner.table_name AS referencedTable FROM " +
+                    " all_constraints cons JOIN all_cons_columns cols ON cons.constraint_name = cols.constraint_name AND cons.owner = cols.owner " +
+                    " JOIN all_constraints cons_owner ON cons.r_constraint_name = cons_owner.constraint_name AND cons.r_owner = cons_owner.owner " +
+                    " WHERE cols.table_name = '%s'  AND  cons.constraint_type = 'R' ";
+            resultSet = prepareStatement(String.format(sql,table)).executeQuery();
+            List<OracleForeignKeyModel> list = Mapping.convertList(resultSet,OracleForeignKeyModel.class);
+            return list;
+           // return Mapping.convertList(resultSet, OracleForeignKeyModel.class);
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+
+    /**
+     * 查询当前数据库的自定义类型
+     * @return
+     * @throws QueryException
+     */
+    public List<OracleTypesModel> getCustomTypes() throws QueryException{
+    ResultSet resultSet = null;
+    try {
+        String sql = "SELECT * FROM ALL_TYPE_ATTRS where OWNER = '"+ getSchema() + "'";
+        resultSet = prepareStatement(sql).executeQuery();
+        List<OracleTypesModel> list = Mapping.convertList(resultSet,OracleTypesModel.class);
+        return list;
+    } catch (SQLException e) {
+        throw new RuntimeException(e);
+    }finally {
+        JdbcUtils.close(resultSet);
+    }
+    }
+
+    /**
+     *
+     * 当前用户是否为DBA
+     *
+     * @return {@link Boolean}
+     */
+    private boolean isDda() {
+        ResultSet resultSet = null;
+        try {
+            //判断是否是DBA
+            resultSet = prepareStatement("SELECT USERENV('isdba') as IS_DBA FROM DUAL")
+                .executeQuery();
+            String dbaColumn = "IS_DBA";
+            resultSet.next();
+            return resultSet.getBoolean(dbaColumn);
+        } catch (SQLException e) {
+            throw new QueryException(e);
+        } finally {
+            JdbcUtils.close(resultSet);
+        }
+    }
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/oracle/model/OracleColumnModel.java

@@ -0,0 +1,193 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.oracle.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Column;
+import lombok.Data;
+
+/**
+ * oracle table column
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/27 8:44
+ */
+@Data
+public class OracleColumnModel implements Column {
+    /**
+     * 表名称，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_TABLE")
+    private Object scopeTable;
+    /**
+     * 表类别
+     */
+    @MappingField(value = "TABLE_CAT")
+    private Object tableCat;
+    /**
+     * 未被使用
+     */
+    @MappingField(value = "BUFFER_LENGTH")
+    private String bufferLength;
+    /**
+     * ISO 规则用于确定列是否包括 null。
+     */
+    @MappingField(value = "IS_NULLABLE")
+    private String isNullable;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * 该列的默认值，当值在单引号内时应被解释为一个字符串（可为 null）
+     */
+    @MappingField(value = "COLUMN_DEF")
+    private String columnDef;
+    /**
+     * 表的类别，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_CATALOG")
+    private Object scopeCatalog;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 列名称
+     */
+    @MappingField(value = "COLUMN_NAME")
+    private String columnName;
+    /**
+     * 是否允许使用 NULL。
+     */
+    @MappingField(value = "NULLABLE")
+    private String nullable;
+    /**
+     * 描述列的注释（可为 null）
+     */
+    @MappingField(value = "REMARKS")
+    private String remarks;
+    /**
+     * 小数部分的位数。对于 DECIMAL_DIGITS 不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "DECIMAL_DIGITS")
+    private String decimalDigits;
+    /**
+     * 基数（通常为 10 或 2）
+     */
+    @MappingField(value = "NUM_PREC_RADIX")
+    private String numPrecRadix;
+    /**
+     *
+     */
+    @MappingField(value = "SQL_DATETIME_SUB")
+    private String sqlDatetimeSub;
+    /**
+     *
+     */
+    @MappingField(value = "IS_GENERATEDCOLUMN")
+    private String isGeneratedColumn;
+    /**
+     * 指示此列是否自动增加
+     * YES --- 如果该列自动增加
+     * NO --- 如果该列不自动增加
+     */
+    @MappingField(value = "IS_AUTOINCREMENT")
+    private String isAutoIncrement;
+    /**
+     * SQL数据类型
+     */
+    @MappingField(value = "SQL_DATA_TYPE")
+    private String sqlDataType;
+    /**
+     * 对于 char 类型，该长度是列中的最大字节数
+     */
+    @MappingField(value = "CHAR_OCTET_LENGTH")
+    private String charOctetLength;
+    /**
+     * 表中的列的索引（从 1 开始）
+     */
+    @MappingField(value = "ORDINAL_POSITION")
+    private String ordinalPosition;
+    /**
+     * 表的模式，它是引用属性的作用域（如果 DATA_TYPE 不是 REF，则为 null）
+     */
+    @MappingField(value = "SCOPE_SCHEMA")
+    private String scopeSchema;
+    /**
+     * 不同类型或用户生成 Ref 类型、来自 java.sql.Types 的 SQL 类型的源类型（如果 DATA_TYPE 不是 DISTINCT 或用户生成的 REF，则为 null）
+     */
+    @MappingField(value = "SOURCE_DATA_TYPE")
+    private String sourceDataType;
+    /**
+     * 来自 java.sql.Types 的 SQL 类型
+     */
+    @MappingField(value = "DATA_TYPE")
+    private String dataType;
+    /**
+     * 数据源依赖的类型名称，对于 UDT，该类型名称是完全限定的
+     */
+    @MappingField(value = "TYPE_NAME")
+    private String typeName;
+    /**
+     * 列表示给定列的指定列大小。
+     * 对于数值数据，这是最大精度。
+     * 对于字符数据，这是字符长度。
+     * 对于日期时间数据类型，这是 String 表示形式的字符长度（假定允许的最大小数秒组件的精度）。
+     * 对于二进制数据，这是字节长度。
+     * 对于 ROWID 数据类型，这是字节长度。对于列大小不适用的数据类型，则返回 Null。
+     */
+    @MappingField(value = "COLUMN_SIZE")
+    private String columnSize;
+
+    /**
+     * 是否主键
+     */
+    private String primaryKey;
+    /**
+     * 列类型（带长度）
+     */
+    @MappingField(value = "COLUMN_TYPE")
+    private String columnType;
+
+    /**
+     * 列长度
+     */
+    @MappingField(value = "COLUMN_LENGTH")
+    private String columnLength;
+
+    /**
+     * 字段外鍵名稱
+     */
+    @MappingField(value = "CONSTRAINT_NAME")
+    private String foreignKey;
+
+    /**
+     * 字段外鍵約束   通過該字段查詢
+     */
+  //  @MappingField(value = "R_CONSTRAINT_NAME")
+    private String constraintKey;
+
+    /**
+     * 字段外鍵關聯表
+     */
+  //  @MappingField(value = "CONSTRAINT_TABLE")
+    private String foreignTable;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/oracle/model/OracleDatabaseModel.java

@@ -0,0 +1,47 @@
+/*
+ * screw-core - 简洁好用的数据库表结构文档生成工具
+ * Copyright © 2020 SanLi (qinggang.zuo@gmail.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package cn.smallbun.screw.core.query.oracle.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.Database;
+import cn.smallbun.screw.core.metadata.model.CustomTypeModel;
+import lombok.Data;
+
+import java.util.List;
+
+/**
+ * 数据库信息
+ *
+ * @author SanLi
+ * Created by qinggang.zuo@gmail.com / 2689170096@qq.com on 2020/3/17 20:26
+ */
+@Data
+public class OracleDatabaseModel implements Database {
+
+    private static final long serialVersionUID = 931210775266917894L;
+    /**
+     * 数据库名称
+     */
+    @MappingField(value = "TABLE_CAT")
+    private String            database;
+
+    /**
+     * 自定义数据类型
+     */
+    private List<OracleTypesModel> types;
+}

screw-core/src/main/java/cn/smallbun/screw/core/query/oracle/model/OracleForeignKeyModel.java

@@ -0,0 +1,50 @@
+package cn.smallbun.screw.core.query.oracle.model;
+
+import cn.smallbun.screw.core.mapping.MappingField;
+import cn.smallbun.screw.core.metadata.ForeignKey;
+import lombok.Data;
+
+/**
+ * oracle 外键相关数据
+ */
+@Data
+public class OracleForeignKeyModel implements ForeignKey {
+
+    /**
+     * 表名
+     */
+    @MappingField(value = "TABLE_NAME")
+    private String tableName;
+    /**
+     * fk name
+     */
+    @MappingField(value = "CONSTRAINTNAME")
+    private String constraintName;
+    /**
+     * 表模式
+     */
+    @MappingField(value = "TABLE_SCHEM")
+    private String tableSchem;
+    /**
+     * 约束键名
+     */
+    @MappingField(value = "CONSTRAINTKEY")
+    private String constraintKey;
+
+    /**
+     * 外键表
+     */
+    @MappingField(value = "REFERENCEDTABLE")
+    private String referencedTable;
+
+    /**
+     * 列名
+     */
+    @MappingField(value = "COLUMNNAME")
+    private String columnName;
+    /**
+     * 键序列
+     */
+    @MappingField(value = "KEY_SEQ")
+    private String keySeq;
+}