【优化】仓储单个数据查询增加悲观锁等待模式。

【优化】通过优惠券编码领取优惠券增加事务处理。

CoreCms.Net.Repository/SqlSugarExtensions.cs

@@ -14,6 +14,23 @@ namespace CoreCms.Net.Repository
             return query;
         }
 
+        /// <summary>
+        /// 是否启用锁
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="query"></param>
+        /// <param name="lock"></param>
+        /// <param name="dbLockType"></param>
+        /// <returns></returns>
+        internal static ISugarQueryable<T> WithUseTranLockOrNot<T>(this ISugarQueryable<T> query, bool @lock = false, DbLockType dbLockType = DbLockType.Wait)
+        {
+            if (@lock)
+            {
+                query = query.TranLock(dbLockType);
+            }
+
+            return query;
+        }
 
     }
 }