1.安装插件
设置--->plugins搜索mybatis generator ,安装并重启ide。
2.新建配置文件
在src/main/resource/目录下新建配置文件generatorConfig.xml。
<?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>
<context id="MysqlTables" targetRuntime="MyBatis3">
<commentGenerator>
<property name="suppressDate" value="true"/>
<!-- 是否去除自动生成的注释 true:是 : false:否 -->
<property name="suppressAllComments" value="true"/>
</commentGenerator>
<!-- jdbc链接信息 -->
<jdbcConnection driverClass="com.mysql.jdbc.Driver"
connectionURL="jdbc:mysql://127.0.0.1:3306/joonwhee?
autoReconnect=true&autoReconnectForPools=true&
useUnicode=true&characterEncoding=utf-8"
userId="root" password="root">
</jdbcConnection>
<javaTypeResolver>
<property name="forceBigDecimals" value="false"/>
</javaTypeResolver>
<!-- 生成PO类的位置 -->
<javaModelGenerator targetPackage="com.dianping.open.joonwhee.po"
targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
<property name="trimStrings" value="true"/>
</javaModelGenerator>
<!-- mapper映射文件生成的位置 -->
<sqlMapGenerator targetPackage="config.mapper"
targetProject="src/main/resources">
<property name="enableSubPackages" value="true"/>
</sqlMapGenerator>
<!-- mapper接口生成的位置 -->
<javaClientGenerator type="XMLMAPPER"
targetPackage="com.dianping.open.joonwhee.mapper"
targetProject="src/main/java">
<property name="enableSubPackages" value="true"/>
</javaClientGenerator>
<!-- 指定要生成的表 -->
<table tableName="User" domainObjectName="UserPO">
<property name="useActualColumnNames" value="true"/>
<generatedKey column="id" sqlStatement="MySql" identity="true"/>
</table>
</context>
</generatorConfiguration>
3.使用插件
在Maven Projects页面找到项目的mybatis-generator插件,双击:

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