Mybatis关联

Posted 2020-11-22 hoje

mybatis关联

<?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.imooc.o2o.dao.LocalAuthDao">
    <resultMap id="localAuthResultMap" type="com.imooc.o2o.entity.LocalAuth">
        <id column="local_auth_id" property="localAuthId" />
        <result column="username" property="username" />
        <result column="password" property="password" />
        <result column="create_time" property="createTime" />
        <result column="last_edit_time" property="lastEditTime" />
        <association property="personInfo" column="user_id"
            javaType="com.imooc.o2o.entity.PersonInfo">
            <id column="user_id" property="userId" />
            <result column="name" property="name" />
            <result column="gender" property="gender" />
            <result column="email" property="email" />
            <result column="profile_img" property="profileImg" />
            <result column="user_type" property="userType" />
            <result column="create_time" property="createTime" />
            <result column="last_edit_time" property="lastEditTime" />
            <result column="enable_status" property="enableStatus" />
        </association>
    </resultMap>
    <select id="queryLocalByUserNameAndPwd" resultMap="localAuthResultMap"
        parameterType="String">
        SELECT
        l.local_auth_id,
        l.username,
        l.password,
        l.create_time,
        l.last_edit_time,
        p.user_id,
        p.name,
        p.gender,
        p.email,
        p.profile_img,
        p.user_type,
        p.create_time,
        p.last_edit_time,
        p.enable_status
        FROM
        tb_local_auth l
        LEFT
        JOIN
        tb_person_info
        p ON l.user_id
        =
        p.user_id
        WHERE
        l.username =
        #{username}
        AND
        l.password = #{password}
    </select>

</mapper>