mp-server/mp-service/src/main/resources/mapper/admin/TicketAwardsPrizeMapper.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.qs.mp.admin.mapper.TicketAwardsPrizeMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="com.qs.mp.admin.domain.TicketAwardsPrize">
        <id column="prize_id" property="prizeId" />
        <result column="box_id" property="boxId" />
        <result column="awards_id" property="awardsId" />
        <result column="ref_id" property="refId" />
        <result column="title" property="title" />
        <result column="pic_url" property="picUrl" />
        <result column="prize_type" property="prizeType" />
        <result column="quantity" property="quantity" />
        <result column="cashed_qty" property="cashedQty" />
        <result column="remain_qty" property="remainQty" />
        <result column="value" property="value" />
        <result column="sort_weight" property="sortWeight" />
        <result column="is_deleted" property="isDeleted" />
        <result column="created_time" property="createdTime" />
        <result column="updated_time" property="updatedTime" />
    </resultMap>

    <!-- 通用查询结果列 -->
    <sql id="Base_Column_List">
        prize_id, box_id, awards_id, ref_id, title, pic_url, prize_type, quantity, cashed_qty, remain_qty, value, sort_weight, is_deleted, created_time, updated_time
    </sql>

    <select id="listPrizeVO" resultType="com.qs.mp.admin.domain.vo.TicketAwardsPrizeVO">
        select t1.*, t2.*,
            if(t2.prize_type = 'goods' AND t3.title is not null,t3.title,t2.title) as title,
            if(t2.prize_type = 'goods' AND t3.title is not null,t3.pic_url,t2.pic_url) as pic_url
        from mp_ticket_awards t1
        left join mp_ticket_awards_prize t2 on t1.awards_id = t2.awards_id
        left join mp_goods t3 on t2.ref_id = t3.goods_id
            ${ew.customSqlSegment}
    </select>

    <select id="listByQueryWrapper" resultType="com.qs.mp.admin.domain.TicketAwardsPrize">
        select t1.*,
               if(t1.prize_type = 'goods' AND t2.title is not null ,t2.title,t1.title) as title,
               if(t1.prize_type = 'goods' AND t2.pic_url is not null,t2.pic_url,t1.pic_url) as pic_url
        from mp_ticket_awards_prize t1
         left join mp_goods t2 on t1.ref_id = t2.goods_id
        ${ew.customSqlSegment}
    </select>
</mapper>