扣锁库

service/service_ly_common.go

@@ -266,8 +266,12 @@ func (ls *LyService) GetStock(sku model.LySku) (stock int64) {
 		//获取锁库库存
 		redisCon := gredis.Conn("search_r")
 		stockStr, _ := redis.String(redisCon.Do("HGET", "sku_lock_stock", sku.GoodsId))
-		stock, _ = strconv.ParseInt(stockStr, 10, 64)
-		return sku.Stock - stock
+		lockStock, _ := strconv.ParseInt(stockStr, 10, 64)
+		if sku.Stock < lockStock {
+			return 0
+		} else {
+			return sku.Stock - lockStock
+		}
 	}
 	return sku.Stock
 }