public ApiResult Export(RequestVisitRecordQDTO request) { var rootpath = ConfigurationManager.AppSettings["rootpath"].ToString(); var fileid = "recordList_" + DateTime.Now.ToString("yyyy-MM-dd"); var filename = fileid + ".xls"; var filePath = System.IO.Path.Combine(rootpath, filename); File.WriteAllBytes(filePath, Encoding.UTF8.GetBytes(recordService.ExportQuery(request))); return(fileid.ToApiResult()); }