public ActionResult Export(string QueryJson) { var orderHousePaymentQM = JsonHelper.Deserialize <OrderHousePaymentQM>(System.Web.HttpUtility.UrlDecode(QueryJson)); var list = iOrderHousePaymentService.Export(orderHousePaymentQM); var ms = iOrderHousePaymentService.ExportNPOI <OrderHousePaymentEM>(list); return(File(ms, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "房款订单-" + DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls")); }