<?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.example.mypulsar.dao.UserDao" > <!--<select id="getUsers" parameterType="int" resultType="com.shunzhi.mqtt2kanban.bean.User"> -- SELECT * FROM t_d_validcardevent SELECT * FROM user </select>--> <select id="select" resultType="com.example.mypulsar.bean.User"> SELECT * FROM user </select> <!--<select id="selectUser" resultType="com.shunzhi.mqtt2kanban.bean.User">--> <!--SELECT * FROM user--> <!--</select>--> </mapper>