9. MyBatis Generator (逆向工程:快速生成案例)

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jar包

• mybatis generatot .jar

xml配置

<?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="DB2Tables" targetRuntime="MyBatis3">
        <!-- 其他设置 -->
        <commentGenerator>
            <!-- 取消注释 -->
            <property name="suppressAllComments" value="true" />
        </commentGenerator>
        <!-- 数据库连接 -->
        <jdbcConnection driverClass="oracle.jdbc.OracleDriver"
            connectionURL="jdbc:oracle:thin:@127.0.0.1:1521:orcl" userId="scott"
            password="java">
        </jdbcConnection>
        <!-- 设置解析器 -->
        <javaTypeResolver>
            <!-- 关闭 BigDecimals 类型-->
            <property name="forceBigDecimals" value="false" />
        </javaTypeResolver>
        <!-- javaBean生成地址 
            targetPackage：包
            targetProject：目录
        -->
        <javaModelGenerator targetPackage="com.po"
            targetProject="src">
            <property name="enableSubPackages" value="true" />
            <property name="trimStrings" value="true" />
            <!-- sql生成地址 -->
        </javaModelGenerator>
        <sqlMapGenerator targetPackage="com.mapper"
            targetProject="src">
            <property name="enableSubPackages" value="true" />
        </sqlMapGenerator>
        <!-- mapper地址 -->
        <javaClientGenerator type="XMLMAPPER"
            targetPackage="com.mapper" targetProject="src">
            <property name="enableSubPackages" value="true" />
        </javaClientGenerator>
        <!-- 需要生成的表和实体类
            tableName：表名
            domainObjectName：类名
         -->
        <table tableName="BONUS" domainObjectName="Bonus"></table>
        <table tableName="DEPT" domainObjectName="Dept"></table>
        <table tableName="DIARY" domainObjectName="Diary"></table>
        <table tableName="DIARY_GROUP" domainObjectName="Diary_Group"></table>
        <table tableName="EMP" domainObjectName="Emp"></table>
        <table tableName="SALGRADE" domainObjectName="Salgrade"></table>
        <table tableName="USERS" domainObjectName="Users"></table>
    </context>
</generatorConfiguration>

执行

//main 方法...
   List<String> warnings = new ArrayList<String>();
   boolean overwrite = true;
   File configFile = new File("generatorConfig.xml");
   ConfigurationParser cp = new ConfigurationParser(warnings);
   Configuration config = cp.parseConfiguration(configFile);
   DefaultShellCallback callback = new DefaultShellCallback(overwrite);
   MyBatisGenerator myBatisGenerator = new MyBatisGenerator(config, callback, warnings);
   myBatisGenerator.generate(null);