如何用java向指定的Excel中写入数据答:).getAddress(),wf));wws.addCell(new Label(7,i+2,"",wf));wws.addCell(new Label(8,i+2,fesOrder.getOrderNo(),wf));wws.addCell(new Label(9,i+2,"",wf));} wwb.write();wwb.close();out.flush();out.close();download(req,res,fileName);这个是我写的简单的导出excel ...