public FileResult ExportToExcel(string postData, User_Profile_Model useInfo)
 {
     try
     {
         //反序列化客户端传递上来的数据
         var serializer = new JavaScriptSerializer();
         var model      = serializer.Deserialize(postData, typeof(SKU_Query_Model)) as SKU_Query_Model;
         var pcSvr      = new ProductSearchServices();
         var fileName   = pcSvr.ExoprtedSKUDataToServer(model, useInfo);
         var exportPath = System.Web.HttpContext.Current.Server.MapPath("~/MediaLib/");
         var path       = exportPath + fileName;
         return(File(path, "application/ms-txt", fileName));
     }
     catch (Exception ex)
     {
         NBCMSLoggerManager.Error("Message:" + ex.Message);
         NBCMSLoggerManager.Error("Source:" + ex.Source);
         NBCMSLoggerManager.Error("StackTrace:" + ex.StackTrace);
         return(null);
         // return this.ExcelCSV("There is a error has been occur   please contact administrator".ToString(), "Product_Search_Result_Error.csv", "application/ms-txt");
     }
 }