base批量插入方法调用 list为空异常处理

Tiobon.Core.Services/BASE/BaseServices.cs

@@ -330,6 +330,8 @@ public class BaseServices<TEntity, TEntityDto, TInsertDto, TEditDto> : IBaseServ
     /// <param name="listEntity">实体集合</param>
     /// <returns>影响行数</returns>
     public virtual async Task<List<long>> Add(List<TInsertDto> listEntity)
+    {
+        if (listEntity != null && listEntity.Any())
         {
             var userId = UserContext.Current.User_Id;
             HttpRequest request = UserContext.Context.Request;
@@ -349,6 +351,8 @@ public class BaseServices<TEntity, TEntityDto, TInsertDto, TEditDto> : IBaseServ
             });
             return await BaseDal.Add(list);
         }
+        else return default;
+    }
     #endregion
 
     /// <summary>