resultMap元素的使用

<mapper namespace="com.POJO.User">
 <select id="findAllUser" resultMap="resultMap">
 select * from t_user
 </select>
 <resultMap type="com.POJO.User" id="resultMap">
 <id property="id" column="t_id"/>
 <result property="name" column="t_name"/>
 <result property="age" column="t_age"/>
 </resultMap>
</mapper>