退款回滚库存

src/main/java/com/chaozhanggui/system/cashierservice/dao/TbProductMapper.java

@@ -36,4 +36,5 @@ public interface TbProductMapper {
 
     Integer countOrderByshopIdAndProductId(@Param("shopId") String shopId, @Param("productId") String productId, @Param("masterId") String masterId,@Param("day") String day);
 
-}
+    void updateStockById(@Param("productId")Integer productId, @Param("num")Integer num);
+}