MyBatis的逆向工程详解

 <packaging>jar</packaging>
<dependencies>

  <!-- 添加对mybatis的依赖 -->
  <dependency>
   <groupId>org.mybatis</groupId>
   <artifactId>mybatis</artifactId>
  </dependency>
  <dependency>
   <groupId>org.mybatis</groupId>
   <artifactId>mybatis-spring</artifactId>
  </dependency>
  <dependency>
   <groupId>com.github.miemiedev</groupId>
   <artifactId>mybatis-paginator</artifactId>
  </dependency>
  <dependency>
   <groupId>com.github.pagehelper</groupId>
   <artifactId>pagehelper</artifactId>
  </dependency>
  <!-- MySql -->
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
  </dependency>
  <!-- 连接池 -->
  <dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid</artifactId>
  </dependency>

  <dependency>
   <groupId>org.mybatis.generator</groupId>
   <artifactId>mybatis-generator-core</artifactId>
   <version>1.3.6</version>
  </dependency>
 </dependencies>
 <build>
  <plugins>
   <!-- mybatis逆向工程 -->
   <plugin>
    <groupId>org.mybatis.generator</groupId>
    <artifactId>mybatis-generator-maven-plugin</artifactId>
    <version>1.3.7</version>
    <configuration>
     <!--配置文件的位置-->
     <configurationFile>src/main/resources/generatorConfig.xml</configurationFile>
     <verbose>true</verbose>
     <overwrite>true</overwrite>
    </configuration>
   </plugin>
  </plugins>
 </build>

<?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>
 <!--引入数据库配置文件方便修改-->
 <properties resource="jdbc.properties"/>
 <!--数据库驱动文件 需要修改 TODO-->
 <classPathEntry
   location="/Volumes/Tool/JAVA_Tool/maven/Maven_Repository/mysql/mysql-connector-java/5.1.32/mysql-connector-java-5.1.32.jar"/>

 <context id="context" targetRuntime="MyBatis3Simple">
  <commentGenerator>
   <!-- 是否去除自动生成的注释，true：是；false:否 -->
   <property name="suppressAllComments" value="true"/>
   <property name="suppressDate" value="false"/>
  </commentGenerator>
  <!--数据库连接的信息：驱动类、连接地址、用户名、密码 -->
  <jdbcConnection driverClass="${jdbc.driverClassName}"
      connectionURL="${jdbc.url}"
      userId="${jdbc.username}"
      password="${jdbc.password}"/>
  <!--默认false，把JDBC DECIMAL 和 NUMERIC 类型解析为 Integer，-->
  <!--为 true时把JDBC DECIMAL 和 NUMERIC 类型解析为java.math.BigDecimal -->
  <!-- 非必需，类型处理器，在数据库类型和java类型之间的转换控制-->
  <javaTypeResolver>
   <property name="forceBigDecimals" value="false"/>
  </javaTypeResolver>
  <!--生成PO类的位置 配置生成的实体包-->
  <!--targetPackage：生成的实体包位置，默认存放在src目录下-->
  <!--targetProject：相对路径 路径拼接结果 src/main/java/one/domain -->
  <javaModelGenerator targetPackage="one.domain" targetProject="src/main/java">
   <!-- enableSubPackages:是否让schema作为包的后缀 -->
   <property name="enableSubPackages" value="false"/>
   <!-- 从数据库返回的值被清理前后的空格 -->
   <property name="trimStrings" value="true"/>
  </javaModelGenerator>
  <!-- 实体包对应映射文件位置及名称，默认存放在src目录下 同上 -->
  <sqlMapGenerator targetPackage="MapperXml" targetProject="src/main/resources">
   <!-- enableSubPackages:是否让schema作为包的后缀 -->
   <property name="enableSubPackages" value="false"/>
  </sqlMapGenerator>
  <!--targetPackage：mapper接口生成的位置-->
  <javaClientGenerator targetPackage="one.mapper" type="XMLMAPPER" targetProject="src/main/java">
   <!-- enableSubPackages:是否让schema作为包的后缀 -->
   <property name="enableSubPackages" value="false"/>
  </javaClientGenerator>
  <!--配置表-->
  <!--schema：不用填写-->
  <!--tableName: 表名 TODO-->
  <!--enableCountByExample、enableSelectByExample、enableDeleteByExample、enableUpdateByExample、selectByExampleQueryId：-->
  <!--去除自动生成的注释例子-->
  <table tableName="tb_user" enableCountByExample="false" enableDeleteByExample="false"
    enableSelectByExample="false" enableUpdateByExample="false"/>
 </context>
</generatorConfiguration>