ylrz_his_scrm_java/fs-service/src/main/resources/mapper/his/FsIntegralCartMapper.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.fs.his.mapper.FsIntegralCartMapper">

    <insert id="insertOrUpdate">
        insert into fs_integral_cart (
            user_id,
            goods_id,
            integral,
            cash,
            cart_num,
            create_time,
            update_time
        ) values (
            #{userId},
            #{goodsId},
            #{integral},
            #{cash},
            #{cartNum},
            #{createTime},
            #{updateTime}
        )
        on duplicate key update
            integral = values(integral),
            cash = values(cash),
            update_time = values(update_time),
            cart_num =
            <choose>
                <when test="addToExist == true">
                    cart_num + values(cart_num)
                </when>
                <otherwise>
                    values(cart_num)
                </otherwise>
            </choose>
    </insert>

    <select id="getCartCountByMap" resultType="java.lang.Integer">
        select
            ifnull(sum(ic.cart_num), 0)
        from fs_integral_cart ic
        inner join fs_integral_goods ig on ig.goods_id = ic.goods_id
        <where>
            <if test="params.userId != null">
                ic.user_id = #{params.userId}
            </if>
            <if test="params.goodsId != null">
                and ic.goods_id = #{params.goodsId}
            </if>
        </where>
    </select>

    <select id="getCartsByMap" resultType="com.fs.his.vo.FsIntegralCartVO">
        select
            ic.id,
            ic.goods_id,
            ig.goods_name,
            ig.img_url,
            ic.integral,
            ic.cash,
            ig.integral newIntegral,
            ig.cash newCash,
            ig.stock,
            ic.cart_num,
            ic.create_time,
            ic.update_time
        from fs_integral_cart ic
        inner join fs_integral_goods ig on ig.goods_id = ic.goods_id
        <where>
            <if test="params.userId != null">
                ic.user_id = #{params.userId}
            </if>
            <if test="params.ids != null and params.ids.size() > 0">
                and ic.id in
                <foreach collection="params.ids" item="id" open="(" close=")" separator=",">
                    #{id}
                </foreach>
            </if>
        </where>
    </select>

    <delete id="deleteCartByGoodsId">
        delete from fs_integral_cart where goods_id = #{goodsId}
    </delete>
</mapper>