SchoolFood/fp-system/src/main/resources/mapper/FoodRepoMapper.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.zf.foodpurchase.fdsafe.mapper.FoodRepoMapper">

    <insert id="insert" parameterType="FoodRepo" useGeneratedKeys="true" keyProperty="id">
        insert into food_repo(
        <if test="foodProductId != null">food_product_id,</if>
        <if test="repoId != null">repo_id,</if>
        <if test="foodProductNum != null">food_product_num</if>
        )values(
        <if test="foodProductId != null">#{foodProductId},</if>
        <if test="repoId != null">#{repoId},</if>
        <if test="foodProductNum != null">#{foodProductNum}</if>)
    </insert>

    <update id="update">
        update food_repo
        <set>
            <if test="foodProductId != null">food_product_id=#{foodProductId},</if>
            <if test="repoId != null">repo_id=#{repoId},</if>
            <if test="foodProductNum != null">food_product_num=#{foodProductNum}</if>
        </set>
        where id=#{id}
    </update>


    <select id="selectByProductIdAndRepoId" resultType="FoodRepo">
        select id, food_product_id foodProductId, repo_id repoId, food_product_num foodProductNum
            from food_repo where food_product_id=#{productId} and repo_id=#{repoId}
    </select>
    <select id="selectByRepoId" resultType="FoodRepo">
        select id, food_product_id foodProductId, repo_id repoId, food_product_num foodProductNum
        from food_repo where repo_id in
        <foreach collection="repoIds" item="repoId" index="index"
                 separator="," open="(" close=")">
            #{repoId}
        </foreach>
    </select>


</mapper>