public ActionResult Delete(List <string> ids)
 {
     try
     {
         var objList = _scheduleService.GetFullList(z => ids.Contains(z.Id), z => z.Id, OrderingType.Ascending);
         _scheduleService.DeleteAll(objList);
         SetMessager(MessageType.success, "删除成功!");
     }
     catch (Exception e)
     {
         SetMessager(MessageType.danger, $"删除失败【{e.Message}!");
     }
     return(RedirectToAction("Index"));
 }