购物车,新增重试

mall-shop/src/main/java/com/suisung/mall/shop/user/service/impl/ShopUserCartServiceImpl.java

@@ -270,9 +270,18 @@ public class ShopUserCartServiceImpl extends BaseServiceImpl<ShopUserCartMapper,
 
         if (ObjectUtil.equal(cart.getUser_id(), user_id)) {
             cart.setCart_quantity(cart_quantity);
-
-            if (!edit(cart)) {
-                throw new ApiException(ResultCode.FAILED);
+            int i=0;
+            while (i<3){
+                boolean result=edit(cart);
+                if (!result) {
+                    i++;
+                    if(i==3){
+                        throw new ApiException(ResultCode.FAILED);
+                    }
+                }else {
+                    logger.info("重试成功，跳出");
+                    break;
+                }
             }
 
             QueryWrapper<ShopUserCart> userCartQueryWrapper = new QueryWrapper<>();