public ActionResult Export() { List <CompanyInfo> list = new Manager.EmployeeManager().GetCompanies(string.Empty); IExcel excel = ExcelFactory.CreateDefault(); DataTable dataTable = Converts.ListToDataTable <CompanyInfo>(list); dataTable.Columns["Name"].Caption = "单位名称"; dataTable.Columns["Code"].Caption = "组织机构代码"; dataTable.Columns["Representative"].Caption = "法人"; dataTable.Columns["AccountBalance"].Caption = "账户余额"; dataTable.Columns.Remove("CompanyId"); dataTable.Columns.Remove("AccountId"); dataTable.Columns.Remove("Positions"); dataTable.Columns.Remove("Remark"); DataSet dataSet = new DataSet(); dataSet.Tables.Add(dataTable); POIStream stream = new POIStream(); stream.AllowClose = false; excel.Write(stream, dataSet, ExcelExtendType.XLSX); stream.AllowClose = true; byte[] buffer = new byte[stream.Length]; stream.Position = 0; stream.Read(buffer, 0, buffer.Length); stream.Dispose(); HttpResponse context = System.Web.HttpContext.Current.Response; try { context.ContentType = "application/ms-excel"; context.AddHeader("Content-Disposition", string.Format("attachment; filename={0}.xlsx", HttpUtility.UrlEncode("单位信息", System.Text.Encoding.UTF8))); context.BinaryWrite(buffer); context.Flush(); context.End(); } catch (Exception ex) { context.ContentType = "text/plain"; context.Write(ex.Message); } return(null); }