public async Task<ActionResult> ExportDataToExcel()
        {
            //查询出的数据
            var list = new List<TestDataViewModel>();

            list.Add(new TestDataViewModel
            {
                PlanSubject = "test1",
                MobileNo = "13577778888",
                TelcoOperatorText = "移动"
            });
            list.Add(new TestDataViewModel
            {
                PlanSubject = "test2",
                MobileNo = "13577779999",
                TelcoOperatorText = "移动"
            });
            list.Add(new TestDataViewModel
            {
                PlanSubject = "test3",
                MobileNo = "8077778888",
                TelcoOperatorText = "电信"
            });
            //var model = await DataTrafficGiftRecordQueryEntry.SelectAsync();

            //已经领取了流量
            //var hasGetList = model.Where(m => !string.IsNullOrWhiteSpace(m.MobileNo) && m.MobileNo.Length == 11);
            //var result = hasGetList.MapList<DataTrafficGiftRecordViewModel>().ToList();

            var setting = new ExcelExportOption<TestDataViewModel>
            {
                FileName = "客户领取流量记录",
                DefaultRowHeight = 270
            };
            if (list.Count() >= 65535)
                setting.Description = "结果数据总数:" + list.Count() + "但Excel最多支持65535条数据, 请分开条件导出";
            setting.Source = list.Take(65534);
            var colums = new List<ExcelColum<TestDataViewModel>>
            {
                new ExcelColum<TestDataViewModel>
                {
                    Name = "赠送计划标题",
                    Width = 7000,
                    ColumType = ExcelColumType.String,
                    ResultFunc = x => x.PlanSubject
                },
                new ExcelColum<TestDataViewModel>
                {
                    Name = "手机号码",
                    Width = 7000,
                    ColumType = ExcelColumType.String,
                    ResultFunc = x => x.MobileNo
                },

                 new ExcelColum<TestDataViewModel>
                {
                    Name = "手机运营商",
                    Width = 7000,
                    ColumType = ExcelColumType.String,
                    ResultFunc = x => x.TelcoOperatorText
                },
            };

            setting.Colums = colums;

            //发送文件路径到客户端
            var steam = ExcelUtility.ExportToStream(setting);
            var filename = HttpUtility.UrlEncode(setting.FileName + DateTime.Now.ToString("_yyyyMMdd-HHmmss") + ".xls", System.Text.Encoding.UTF8);
            return File(steam, "application/vnd.ms-excel", filename);
            //Response.AddHeader("Content-Disposition", $"attachment;filename={filename}");
            //Response.Clear();
            //Response.BinaryWrite(steam.GetBuffer());
            //Response.End();
        }