修改购物车bug

src/main/java/com/example/afrishop_v3/controllers/CartController.java

@@ -59,12 +59,14 @@ public class CartController extends Controller {
         Result result = new Result();
         try {
             Optional<TbCfCartRecordR> byId = repository.findById(cartId);
+
             if (byId.isPresent()) {
                 TbCfCartRecordR record = byId.get();
                 //校验库存
                 String itemSkuId = record.getItemSkuId();
                 lock.lock();
                 Optional<TbCfItemSkus> byId1 = skuRepository.findById(itemSkuId);
+                Integer count = itemNum;
                 if (byId1.isPresent()) {
                     Integer itemCount = byId1.get().getSkuCount();
 
@@ -72,17 +74,17 @@ public class CartController extends Controller {
                         if (itemCount <= 0) {
                             record.setCheckFlag(0);
                             itemCount = 0;
-                            if (itemCount != 0)
-                                record.setItemNum(itemCount);
+
                         }
+                        if (itemCount != 0)
+                            count = itemCount;
                         result.setData(itemCount);
                         result.setMessage("Out of stock");
                         result.setCode(ResultCodeEnum.SERVICE_ERROR.getCode());
                     }
                 }
                 lock.unlock();
-
-                record.setItemNum(itemNum);
+                record.setItemNum(count);
                 repository.save(record);
                 return result;
             }