mec/mec-biz/src/main/resources/config/mybatis/StudentPlusMapper.xml

<?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.ym.mec.biz.dal.mapper.StudentPlusMapper">

    <select id="userPage" resultType="com.ym.mec.biz.dal.wrapper.StudentWrapper$StudentList">
        select
        distinct s.user_id_ as studentId
        ,if(s.member_rank_setting_id_ is not null, true, false) as vipFlag,
        s.subject_id_list_ as subjectId,
        group_concat(sr.music_group_id_) as musicGroupIds
        from student s

        left join sys_user su on su.id_ = s.user_id_
        left join student_registration sr on sr.user_id_ = s.user_id_

        left join music_group mg on mg.id_ = sr.music_group_id_
        <where>
            sr.music_group_status_ in
            <foreach collection="param.statusList" close=")" item="status" open="(" separator=",">
                #{status}
            </foreach>
            and mg.status_ = 'PROGRESS'
            <if test="param.keyword != null and param.keyword != ''">
                and (su.username_ like concat('%', #{param.keyword}, '%'))
            </if>
            <if test="param.musicGroupId != null and param.musicGroupId != ''">
                and sr.music_group_id_ = #{param.musicGroupId}
            </if>
            <if test="param.subjectId != null">
                and s.subject_id_list_ = #{param.subjectId}
            </if>
            <if test="param.cooperationOrganId != null">
                and mg.cooperation_organ_id_ = #{param.cooperationOrganId}
            </if>
            <if test="param.studentId != null">
                and s.user_id_ = #{param.studentId}
            </if>
            <if test="param.vipFlag != null">
                <if test="param.vipFlag">
                    and s.member_rank_setting_id_ is not null
                </if>
                <if test="param.vipFlag == false">
                    and s.member_rank_setting_id_ is null
                </if>
            </if>
        </where>
        group by su.username_ ,s.user_id_,s.subject_id_list_
    </select>

</mapper>