admin/ruoyi-modules/ruoyi-system/src/main/resources/mapper/business/PrizeDistributionItemsTemplateMapper.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="org.dromara.business.mapper.PrizeDistributionItemsTemplateMapper">

    <!-- 插入数据，字段为空则不插入 -->
    <insert id="insert" useGeneratedKeys="true" keyProperty="id">
        INSERT INTO prize_distribution_items_template
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="prizeDistributionId != null and prizeDistributionId.toString() != ''">prize_distribution_id,</if>
            <if test="itemId != null and itemId.toString() != ''">item_id,</if>
            <if test="quantity != null and quantity.toString() != ''">quantity,</if>
        </trim>
        VALUES
        <trim prefix="(" suffix=")" suffixOverrides=",">
            <if test="prizeDistributionId != null and prizeDistributionId.toString() != ''">#{prizeDistributionId},</if>
            <if test="itemId != null and itemId.toString() != ''">#{itemId},</if>
            <if test="quantity != null and quantity.toString() != ''">#{quantity},</if>
        </trim>
    </insert>


    <!-- 动态更新记录 -->
    <update id="updateById">
        UPDATE prize_distribution_items_template
        <set>
            <if test="prizeDistributionId != null and prizeDistributionId.toString() != ''">
                prize_distribution_id = #{prizeDistributionId},
            </if>
            <if test="itemId != null and itemId.toString() != ''">
                item_id = #{itemId},
            </if>
            <if test="quantity != null and quantity.toString() != ''">
                quantity = #{quantity},
            </if>
        </set>
        WHERE id = #{id}
    </update>

    <!-- 删除记录，只在id有效时删除 -->
    <delete id="deleteById">
        DELETE FROM prize_distribution_items_template
        WHERE id = #{id}
          AND #{id} IS NOT NULL
    </delete>

    <!-- 查询单条记录 -->
    <select id="selectById" resultType="org.dromara.business.domain.vo.PrizeDistributionItemsVo">
        SELECT *
        FROM prize_distribution_items_template
        WHERE id = #{id}
    </select>

    <!-- 根据 prize_distribution_id 查询奖励道具列表 -->
    <select id="selectByPrizeDistributionIdTemplate" resultType="org.dromara.business.domain.vo.PrizeDistributionItemsVo">
        SELECT a.id,a.prize_distribution_id,a.item_id,a.quantity,b.name itemsName
        FROM prize_distribution_items_template a  left join items b on a.item_id=b.id
        WHERE a.prize_distribution_id = #{prizeDistributionId}
    </select>

    <select id="selectByPrizeDistributionIdListTemplate" resultType="org.dromara.business.domain.vo.PrizeDistributionItemsVo">
        SELECT a.id,a.prize_distribution_id,a.item_id,a.quantity,b.name itemsName
        FROM prize_distribution_items_template a  left join items b on a.item_id=b.id
        WHERE  a.prize_distribution_id IN
        <foreach collection="prizeDistributionId" item="id" open="(" separator="," close=")">
            #{id}
        </foreach>
    </select>

</mapper>