<?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-5.1.34.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:3306/bruce_test?characterEncoding=utf8" userId="root" password="123456">   </jdbcConnection> <javaTypeResolver>  <property name="forceBigDecimals" value="false" />  </javaTypeResolver>  <!-- 生成模型的包名和位置 -->  <javaModelGenerator targetPackage="andy.model" targetProject="E:\generator\src">  <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="andy.mapping" targetProject="E:\generator\src">  <property name="enableSubPackages" value="true" />  </sqlMapGenerator>  <!-- 生成DAO的包名和位置 -->  <javaClientGenerator type="XMLMAPPER" targetPackage="andy.dao" targetProject="E:\generator\src"><property name="enableSubPackages" value="true" />  </javaClientGenerator>  <!-- 多个表直接复制下面的，更改tableName和domainObjectName就可以-->  <table tableName="bruce_userinfor" domainObjectName="Userinfor" enableCountByExample="false" enableUpdateByExample="false" enableDeleteByExample="false" enableSelectByExample="false" selectByExampleQueryId="false" /></context>
</generatorConfiguration>

package com.login.dao;import org.apache.ibatis.annotations.Param;import com.login.entity.User;public interface IUserMapper {User getUserByUsername(@Param("username") String username,                         @Param("password") String password);
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"><mapper namespace="com.login.dao.IUserMapper"><select id="getUserByUsername" parameterType="map"  resultType="com.login.entity.User">SELECT * FROM user WHERE username = #{username} and password= #{password}</select>
</mapper>