学生端班级、会议一对多关系

xiangpei

2024-10-29 161014ebc77c605cdb20fcdd7dc265a89d95d543

 src/main/resources/mapper/MeetMapper.xml

@@ -13,6 +13,19 @@
        <result column="status" property="status" />
    </resultMap>

    <resultMap id="PageMap" type="com.ycl.jxkg.domain.vo.MeetVO">
        <result column="meet_name" property="meetName" />
        <result column="meet_cover" property="meetCover" />
        <result column="classes_id" property="classesId" />
        <result column="start_time" property="startTime" />
        <result column="end_time" property="endTime" />
        <result column="status" property="status" />
        <collection property="teacherNames" ofType="string" column="classes_id" select="getTeacherNames"></collection>
    </resultMap>

    <select id="getTeacherNames" resultType="string">
        SELECT tu.real_name FROM t_user tu INNER JOIN t_classes_user tcu ON tu.id = tcu.user_id AND tcu.classes_id = #{classesId} AND tcu.teacher = 1
    </select>

    <select id="getById" resultMap="BaseResultMap">
        SELECT
@@ -31,19 +44,18 @@
    </select>


    <select id="getPage" resultType="com.ycl.jxkg.domain.vo.MeetVO">
    <select id="getPage" resultMap="PageMap">
        SELECT
            TM.meet_name,
            TM.meet_cover,
            TM.classes_id,
            TM.create_user,
            TU.user_name as teacherName,
            TM.start_time,
            TM.end_time,
            TM.status,
            TM.id
        FROM
            t_meet TM left join t_user TU on TM.create_user = TU.id
            t_meet TM
        <where>
            TM.deleted = 0
            <if test="query.classesIds !=null">