下单扣取库存

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

@@ -46,7 +46,7 @@ public interface TbProductMapper {
     @Update("update tb_product set stock_number=stock_number+#{num} WHERE id=#{id}")
     int incrStock(String id, int num);
 
-    @Update("update tb_product set stock_number=stock_number-#{num} WHERE id=#{id} and stock_number-#{num} > 0")
+    @Update("update tb_product set stock_number=stock_number-#{num} WHERE id=#{id} and stock_number-#{num} >= 0")
     int decrStock(String id, int num);
 
     @Update("update tb_product set stock_number=stock_number-#{num} WHERE id=#{id}")

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

@@ -44,7 +44,7 @@ public interface TbProductSkuMapper {
     @Update("update tb_product_sku set stock_number=stock_number+#{num} WHERE id=#{id}")
     int incrStock(String skuId, int addNum);
 
-    @Update("update tb_product_sku set stock_number=stock_number-#{num} WHERE id=#{id} and stock_number-#{num} > 0")
+    @Update("update tb_product_sku set stock_number=stock_number-#{num} WHERE id=#{id} and stock_number-#{num} >= 0")
     int decrStock(String id, int num);
 
     @Update("update tb_product_sku set stock_number=stock_number-#{num} WHERE id=#{id} ")

src/main/java/com/chaozhanggui/system/cashierservice/service/OrderService.java

@@ -223,7 +223,7 @@ public class OrderService {
         }
 
 
-        skuWithBLOBs.setStockNumber(skuWithBLOBs.getStockNumber()-number);
+//        skuWithBLOBs.setStockNumber(skuWithBLOBs.getStockNumber()-number);
         skuWithBLOBs.setUpdatedAt(System.currentTimeMillis());
         tbProductSkuMapper.updateByPrimaryKey(skuWithBLOBs);
 
@@ -338,15 +338,15 @@ public class OrderService {
         if(ObjectUtil.isEmpty(product)){
             return Result.fail(CodeEnum.PRODUCTINFOERROR);
         }
-        if("1".equals(product.getIsStock().toString())){
-            TbProductSkuWithBLOBs skuWithBLOBs= tbProductSkuMapper.selectByPrimaryKey(Integer.valueOf(cashierCart.getSkuId()));
-            if(ObjectUtil.isEmpty(skuWithBLOBs)){
-                return Result.fail(CodeEnum.PRODUCTSKUERROR);
-            }
-            skuWithBLOBs.setStockNumber(skuWithBLOBs.getStockNumber()+cashierCart.getTotalNumber());
-            skuWithBLOBs.setUpdatedAt(System.currentTimeMillis());
-            tbProductSkuMapper.updateByPrimaryKey(skuWithBLOBs);
-        }
+//        if("1".equals(product.getIsStock().toString())){
+//            TbProductSkuWithBLOBs skuWithBLOBs= tbProductSkuMapper.selectByPrimaryKey(Integer.valueOf(cashierCart.getSkuId()));
+//            if(ObjectUtil.isEmpty(skuWithBLOBs)){
+//                return Result.fail(CodeEnum.PRODUCTSKUERROR);
+//            }
+//            skuWithBLOBs.setStockNumber(skuWithBLOBs.getStockNumber()+cashierCart.getTotalNumber());
+//            skuWithBLOBs.setUpdatedAt(System.currentTimeMillis());
+//            tbProductSkuMapper.updateByPrimaryKey(skuWithBLOBs);
+//        }
 
         List<String> skuIds=new ArrayList<>();
         skuIds.add(cashierCart.getSkuId());

src/main/java/com/chaozhanggui/system/cashierservice/service/ProductService.java

@@ -141,7 +141,7 @@ public class ProductService {
                     throw new MsgException("库存不足，下单失败");
                 }
             }else {
-                tbProductMapper.decrStockUnCheck(productId, decrNum);
+                tbProductSkuMapper.decrStockUnCheck(productId, decrNum);
             }
         }else {
             if (product.getIsStock() == 1) {