Mybatis Generator自动生成对应文件的实现方法

<?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> 
 <!-- 数据库驱动包位置 --> 
 <classPathEntry location="E:\generator\mysql-connector-java-5.1.28-bin.jar" /> 
 <!-- <classPathEntry location="C:\oracle\product\10.2.0\db_1\jdbc\lib\ojdbc14.jar" />--> 
 <context id="DB2Tables" targetRuntime="MyBatis3"> 
  <commentGenerator> 
  <property name="suppressAllComments" value="true" /> 
  </commentGenerator> 
  <!-- 数据库链接URL、用户名、密码 --> 
  <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://localhost/webdata?characterEncoding=utf8" userId="root" password="root"> 
  <!--<jdbcConnection driverClass="oracle.jdbc.driver.OracleDriver" connectionURL="jdbc:oracle:thin:@localhost:1521:orcl" userId="msa" password="msa">--> 
  </jdbcConnection> 
  <!--java类型处理器 -->
  <javaTypeResolver> 
  <property name="forceBigDecimals" value="false" /> 
  </javaTypeResolver> 
  <!-- 生成bean的包名和位置 targetPackage 存放的包名 targetProject项目名 --> 
  <javaModelGenerator targetPackage="entity" targetProject="E:\generator\test"> 
  <property name="enableSubPackages" value="true" /> 
  <property name="trimStrings" value="true" /> 
  </javaModelGenerator> 
  <!-- 生成的映射文件包名和位置 --> 
  <sqlMapGenerator targetPackage="mapper" targetProject="E:\generator\test"> 
  <property name="enableSubPackages" value="true" /> 
  </sqlMapGenerator> 
  <!-- 生成DAO的包名和位置 --> 
  <javaClientGenerator type="XMLMAPPER" targetPackage="dao" targetProject="E:\generator\test"> 
  <property name="enableSubPackages" value="true" /> 
  </javaClientGenerator> 
  <!-- 要生成的表 tableName 表名 --> 
  <table tableName="user" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" /> 
  <table tableName="product" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" /> 
 </context> 
 </generatorConfiguration> 

java -jar mybatis-generator-core-1.3.2.jar -configfile generator.xml -overwrite