/// <summary>
        /// 上传保养消息
        /// </summary>
        /// <returns></returns>
        public JsonResult UpLoadMaintence()
        {
            var models = new ActionResultModel <string> {
                isSuccess = false, respnseInfo = ""
            };

            if (Request.Files.Count <= 0)
            {
                return(Json(models));
            }
            if (Request.Files[0].ContentLength / 1024.0 / 1024.0 >= 1000)
            {
                models.respnseInfo = "文件超过1000M!";
                return(Json(models));
            }
            string fileName   = DateTime.Now.ToString("yyyyMMddHHmmss");
            string saveFolder = Server.MapPath("/UpLoadFile/PushObjectImport/" + fileName + Path.GetExtension(Request.Files[0].FileName));

            Request.Files[0].SaveAs(saveFolder);
            UploadHelper uploadHelper = new UploadHelper();
            DataTable    dt           = uploadHelper.GetDataByExcelString(saveFolder, true);

            System.IO.File.Delete(saveFolder);
            if (dt.Rows.Count == 0)
            {
                models.respnseInfo = "表格不能为空!";
                return(Json(models));
            }
            try
            {
                models.isSuccess   = _dl.SaveUpLoadMaintence(dt);
                models.respnseInfo = "1";
            }
            catch (Exception ex)
            {
                models.respnseInfo = ex.Message;
            }
            return(Json(models));
        }