.net core 6.0后台 Vue2前台 导出Excel文件

     /// <summary>
        /// 接口
        /// </summary>
        /// <returns>结果</returns>
        [HttpGet]
        public IActionResult ExportTab()
        {
            var list = _db.ExcelTab.ToList();
            var ms=new MemoryStream();

            ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
            using (var package =new ExcelPackage() )
            {
                var worksheet = package.Workbook.Worksheets.Add("Sheet1");

                worksheet.Workbook.Properties.SetCustomPropertyValue("Lauguage", "zh-CN");

                worksheet.Cells["A1"].Value = "表单名称";
                worksheet.Cells["B1"].Value = "表单类型";
                worksheet.Cells["C1"].Value = "参数1";
                worksheet.Cells["D1"].Value = "参数2";
                worksheet.Cells["E1"].Value = "参数3";

                for(int i = 0; i < list.Count; i++)
                {
                    worksheet.Cells["A"+(i+2)].Value = list[i].Name;
                    worksheet.Cells["B"+(i+2)].Value = list[i].Type;
                    worksheet.Cells["C"+(i+2)].Value = list[i].ParamOne;
                    worksheet.Cells["D"+(i+2)].Value = list[i].ParamTwo;
                    worksheet.Cells["E"+(i+2)].Value = list[i].ParamThree;
                }

                package.SaveAs(ms);
            }

            ms.Seek(0, SeekOrigin.Begin);

            return new FileStreamResult(ms, "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet")
            {
                FileDownloadName = "用户填表表单.xlsx"
            };

        }

 ExcelPackage.LicenseContext = LicenseContext.NonCommercial;

  location.href = "http://localhost:17801/api/Tab/ExportTab";