public HttpResponseMessage Test()
        {
            var d = new RowNumModel <DoctorLearnViewModel>();

            d.SearchParams = new DoctorLearnViewModel();
            var ret       = _iADDoctorService.GetDoctorLearn(d, true);
            var _filePath = HostingEnvironment.MapPath("/ExcelTemplate/" + "CatCityList.xlsx");

            Workbook         wb   = new Workbook(_filePath);
            WorkbookDesigner book = new WorkbookDesigner(wb);

            book.SetDataSource("H", ret.Result);
            book.Process();
            book.Workbook.Worksheets[0].Name = "222";
            MemoryStream stream = new MemoryStream();

            book.Workbook.Save(stream, SaveFormat.Xlsx);
            byte[] bytes = stream.ToArray();


            var resp = new HttpResponseMessage(HttpStatusCode.OK)
            {
                Content = new ByteArrayContent(bytes)
            };

            resp.Content.Headers.ContentType        = new MediaTypeHeaderValue("application/x-excel");
            resp.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
            {
                FileName = $"{DateTime.Now.ToString("yyyyMMddHHmmsss")}{".xlsx"}"
            };
            return(resp);
        }
        public IHttpActionResult GetDoctorLearn(RowNumModel <DoctorLearnViewModel> rowNum)
        {
            var ret = _iADDoctorService.GetDoctorLearn(rowNum);

            return(Ok(ret));
        }