<?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.recovery.admin.boot.mapper.UserMapper"> <select id="getByUsername" resultType="com.recovery.common.base.dto.UserAuthDTO"> select t1.user_name as userName,t1.password,t1.state as status,t1.id as userId from tbl_user t1 where t1.user_name = #{userName} </select> </mapper>