POI怎樣把導出的Excel數據導出到客戶端？

Question

response.setContentType("application/vnd.ms-excel");
            response.setHeader("Content-disposition",
                               "attachment; filename=" + cExcelFileName);            ExcelGridReport excelReport = new ExcelGridReport("Report", ltdata,
                columnKeyList, columnTitleList);
            excelReport.print(output);

Answer 1

忘了加：        ServletOutputStream output = response.getOutputStream();