一个商品领取一张卷，

xiaoyong931011

2023-10-16 9967ee263f35bbc1a997e212fb0cd1a7ab6b1d91

 src/main/resources/mapper/modules/MallGoodsSkuMapper.xml

@@ -45,4 +45,11 @@
            sku_volume = sku_volume + #{cnt}
        where id=#{id} and  stock - #{cnt} <![CDATA[ >= ]]> 0
    </update>

    <update id="updateStockAndVolumeBySkuId">
        update mall_goods_sku
        set stock = stock + #{cnt},
            sku_volume = sku_volume - #{cnt}
        where id=#{id} and  sku_volume - #{cnt} <![CDATA[ >= ]]> 0
    </update>
</mapper>