public void Delete(int id) { var msg = new Msg(); try { var User = new Notices(); var user = User.FindById(id); if (user == null) { throw new Exception("该公告不存在!"); } else if (User.Delete(id)) { msg.Message = "删除成功!"; } else { throw new Exception("发生未知错误,删除失败!"); } } catch (Exception ex) { msg.Code = -1; msg.Message = ex.Message; } Response.Write(msg.ToJson()); Response.End(); }