Maven多模块项目使用MyBatis Generator

开发环境：

　　JDK:8u102

　　Maven:3.3.9

　　MySQL:5.7.10

　　MySQL Connector:5.1.40

　　IDE:IntelliJ IDEA 2016

　　MyBatis:3.4.1

　　MyBatis Generator:1.3.5

项目案例：

　　个人博客

项目结构：

　　

　　 blog-dao-impl模块：只是考虑到多个实现层而已。象征性的创建在这里。

项目依赖关系：

　　

数据库详细：

　　

blog-dao-api pom.xml 详细：

 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <artifactId>blog</artifactId>
         <groupId>pers.kaloquan</groupId>
         <version>1.0-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>

     <artifactId>blog-dao-api</artifactId>

     <properties>
         <!-- MySQL Connector 版本 -->
         <mysql-connector.version>5.1.40</mysql-connector.version>
         <!-- MyBatis Generator 版本 -->
         <mybatis-generator.version>1.3.5</mybatis-generator.version>

         <!-- 指定MyBatis Generator插件的配置文件 -->
         <plugin.generator.configurationFile>${project.basedir}\src\main\resources\mybatis-generator.xml</plugin.generator.configurationFile>
         <!-- 是否重写已存在的文件 -->
         <plugin.generator.overwrite>true</plugin.generator.overwrite>
         <!-- 生成器targetProject的根目录 -->
         <generator.project.root>D:\IDEAProjects\blog</generator.project.root>
         <!-- 生成器所需驱动包的路径 -->
         <generator.classpath>D:\Maven repository\mysql\mysql-connector-java\5.1.40\mysql-connector-java-5.1.40.jar</generator.classpath>

         <!-- 驱动类 -->
         <jdbc.driverClass>com.mysql.jdbc.Driver</jdbc.driverClass>
         <!-- 链接地址 -->
         <jdbc.url>jdbc:mysql://localhost:3306/blog?createDatabaseIfNotExist=true&amp;useSSL=true&amp;serverTimezone=UTC&amp;passwordCharacterEncoding=UTF-8&amp;characterEncoding=UTF-8</jdbc.url>
         <!-- 用户名 -->
         <jdbc.userId>root</jdbc.userId>
         <!-- 密码 -->
         <jdbc.password>root</jdbc.password>
     </properties>

     <dependencies>
         <dependency>
             <groupId>org.mybatis</groupId>
             <artifactId>mybatis</artifactId>
             <version>3.4.1</version>
         </dependency>

         <dependency>
             <groupId>pers.kaloquan</groupId>
             <artifactId>blog-model</artifactId>
         </dependency>
     </dependencies>

     <build>
         <plugins>
             <plugin>
                 <groupId>org.mybatis.generator</groupId>
                 <artifactId>mybatis-generator-maven-plugin</artifactId>
                 <version>${mybatis-generator.version}</version>
                 <!-- 插件配置 -->
                 <configuration>
                     <configurationFile>${plugin.generator.configurationFile}</configurationFile>
                     <overwrite>${plugin.generator.overwrite}</overwrite>
                 </configuration>
                 <!-- 编译之前需要执行的命令 -->
                 <executions>
                     <execution>
                         <id>Generate MyBatis Artifacts</id>
                         <goals>
                             <goal>generate</goal>
                         </goals>
                     </execution>
                 </executions>
             </plugin>
         </plugins>
     </build>
 </project>

查看配置

　　

　　*注意：在properties标签中声明的属性值可以在mybatis-generator.xml中使用！

mybatis-generator.xml 详细：

　　位置：（根据自己需要放在某个地方，改变后在对应项目的pom.xml文件中配置MyBatis Generator插件）

　　　　

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE generatorConfiguration PUBLIC
         "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN"
         "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd" >
 <generatorConfiguration>

     <!-- !!!! Driver Class Path !!!! -->
     <classPathEntry location="${generator.classpath}"/>

     <!-- 使用MyBatis3Simple，避免生成多余的代码 -->
     <context id="context" targetRuntime="MyBatis3Simple">
         <commentGenerator>
             <property name="suppressAllComments" value="false"/>
             <property name="suppressDate" value="true"/>
         </commentGenerator>

         <!-- !!!! Database Configurations !!!! -->
         <jdbcConnection driverClass="${jdbc.driverClass}" connectionURL="${jdbc.url}" userId="${jdbc.userId}" password="${jdbc.password}"/>

         <javaTypeResolver>
             <property name="forceBigDecimals" value="false"/>
         </javaTypeResolver>

         <!-- !!!! Model Configurations !!!! -->
         <javaModelGenerator targetPackage="blog.model" targetProject="${generator.project.root}\blog-model\src\main\java">
             <property name="enableSubPackages" value="false"/>
             <property name="trimStrings" value="true"/>
         </javaModelGenerator>

         <!-- !!!! Mapper XML Configurations !!!! -->
         <sqlMapGenerator targetPackage="mapper" targetProject="${generator.project.root}\blog-dao-impl\src\main\resources" >
             <property name="enableSubPackages" value="false"/>
         </sqlMapGenerator>

         <!-- !!!! Mapper Interface Configurations !!!! -->
         <!-- 使用MyBatis3Simple运行时，type只能为“ANNOTATEDMAPPER”或者“XMLMAPPER” -->
         <!-- 这里采用注解配置，而非XML配置 -->
         <javaClientGenerator targetPackage="blog.dao" targetProject="${generator.project.root}\blog-dao-api\src\main\java" type="ANNOTATEDMAPPER">
             <property name="enableSubPackages" value="false"/>
         </javaClientGenerator>

         <!-- !!!! Table Configurations !!!! -->
         <table tableName="user" schema="blog">
             <columnOverride column="id" property="id"/>
             <columnOverride column="name" property="name"/>
         </table>
     </context>
 </generatorConfiguration>

查看配置

　　不明确的地方或者有错误的地方，请指出！

参考资料：

　　Driver/Datasource Class Names, URL Syntax and Configuration Properties for Connector/J

　　MyBatis GeneratorXML Configuration File Reference

　　Running MyBatis Generator With Maven