MVC下载电子表格到本地((导出表格4-4)

        #region 导出数据到电子表格
        /// <summary>
        /// 导出数据到电子表格
        /// </summary>
        /// <returns></returns>
        [HttpGet]
        public ActionResult ExportDataToExcel()
        {
            List<SupplierModel> supplierModels = supplierBLL.GetAll();

            //通过AppSettings 获取文件路径
            string path = ConfigHelper.GetStringByAppSettings("ExportExcel");

            //调用随机名方法拼接表格名
            string sheetName = StringHelper.GetRandomString() + ".xlsx";

            //实例化表格帮助类 传递路径
            ExcelHelper excelHelper = new ExcelHelper(path + sheetName);

            //返回结果
            int n = excelHelper.ListToExcel(supplierModels, sheetName);
            return Json(n, JsonRequestBehavior.AllowGet);
        } 
        #endregion