代码方式

详细配置

<?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>  
<classPathEntry  
location="D:\maven-repository\mysql\mysql-connector-java\5.1.21\mysql-connector-java-5.1.21.jar"/>  
  
<context id="mysqlgenerator" defaultModelType="flat" targetRuntime="MyBatis3">  
  
<property name="javaFileEncoding" value="UTF-8"/>  
<property name="javaFormatter" value="org.mybatis.generator.api.dom.DefaultJavaFormatter"/>  
<property name="xmlFormatter" value="org.mybatis.generator.api.dom.DefaultXmlFormatter"/>  
  
<plugin type="org.mybatis.generator.plugins.SerializablePlugin"></plugin>  
<plugin type="org.mybatis.generator.plugins.CaseInsensitiveLikePlugin"></plugin>  
  
 
<jdbcConnection driverClass="com.mysql.jdbc.Driver"  
connectionURL="jdbc:mysql://localhost:3306/tt?useUnicode=true&amp;characterEncoding=utf8&amp;allowMultiQueries=true"  
userId="ttt" password="ttt"/>  

  
<javaModelGenerator targetPackage="com.sf.ttt.domain.aaa" targetProject="ttt-dao\src\main\java">  

<property name="trimStrings" value="true"/>  
</javaModelGenerator>  
  
<sqlMapGenerator targetPackage="sqlmap.aaa" targetProject="ttt-dao\src\main\resources"/>  
  
<javaClientGenerator targetPackage="com.sf.ttt.mapper.aaa" targetProject="ttt-dao\src\main\java"  
type="XMLMAPPER"/>  
  
<table tableName="tttt" domainObjectName="Tttt"  
enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false"  
enableSelectByExample="false" selectByExampleQueryId="true"  
enableUpdateByPrimaryKey = "true"  
>  
<generatedKey column="id" sqlStatement="Mysql" type="post" identity="true"/>  
</table>  
</context>  
</generatorConfiguration>

idea插件

社区版验证可用的插件

开源工具

java.bejson.com/generator/

通过模板引擎生成，可定制化程度更高