为什么java导出excel表格没有弹出下载框

Question

/** 导出存支列表 */
public void exportDepositList(){
HttpServletResponse response = Struts2Utils.getResponse();
ServletOutputStream sos = null;
WritableWorkbook wb = null;
List depositList = null;
String str = getSql();
depositList = depositService.getDepositForList(str, -1, -1);
String fileName = depositList.get(0).getDeptName()+"-存支列表.xls";
try {

        if(deposit == null){return;}
        float zsr = 0;float zzc = 0;
        sos = response.getOutputStream();
        response.reset();
        response.setContentType("application/octet-stream");
        response.setHeader("Content-disposition", "attachment;fileName=" + URLEncoder.encode(fileName, "UTF-8"));
        wb = Workbook.createWorkbook(sos);
        WritableSheet ws = wb.createSheet("存支列表",0);

        WritableCellFormat wcfTitle = new WritableCellFormat();
        wcfTitle.setBackground(Colour.GRAY_25);

        ws.setRowView(0, 600, false); //设置行高
        ws.setColumnView(0, 20);
        ws.setColumnView(1, 20);
        ws.setColumnView(2, 20);
        ws.setColumnView(3, 6);
        ws.setColumnView(6, 13);
        ws.setColumnView(8, 15);
        ws.setColumnView(10, 15);
        ws.setColumnView(12, 13);
        ws.setColumnView(13, 13);

        ws.addCell(new Label(0, 0, "类型", wcfTitle));
        ws.addCell(new Label(1, 0, "收入", wcfTitle));
        ws.addCell(new Label(2, 0, "支出", wcfTitle));
        ws.addCell(new Label(3, 0, "余额", wcfTitle));
        ws.addCell(new Label(4, 0, "存付单位名称", wcfTitle));
        ws.addCell(new Label(5, 0, "存支时间", wcfTitle));
        ws.addCell(new Label(6, 0, "订单号", wcfTitle));
        ws.addCell(new Label(7, 0, "备注", wcfTitle));
        ws.addCell(new Label(8, 0, "入账", wcfTitle));
        ws.addCell(new Label(9, 0, "核算号", wcfTitle));
        ws.addCell(new Label(10, 0, "核定", wcfTitle));
        ws.addCell(new Label(11, 0, "收款已用", wcfTitle));
        ws.addCell(new Label(12, 0, "编号", wcfTitle));
        int toursCount = 1;
        for (DepositEntity deposit : depositList) {
            ws.addCell(new Label(0, toursCount, deposit.getDepoType()));
            if(deposit.getMtype() == 1){
                ws.addCell(new Label(1, toursCount, String.valueOf(deposit.getMoney())));
                zsr += deposit.getMoney();
            }else if(deposit.getMtype() == 0){
                ws.addCell(new Label(2, toursCount, String.valueOf(deposit.getMoney())));
                zzc += deposit.getMoney();
            }
            ws.addCell(new Label(3, toursCount, String.valueOf(deposit.getEmoney())));
            ws.addCell(new Label(4, toursCount, deposit.getCustomer()));
            ws.addCell(new Label(5, toursCount, deposit.getAddTime()));
            ws.addCell(new Label(6, toursCount, deposit.getOrderNum()));
            ws.addCell(new Label(7, toursCount, deposit.getRemark()));
            if(deposit.getIsAccounte() == 0){ws.addCell(new Label(8, toursCount, ""));}else{ws.addCell(new Label(8, toursCount, "√"));}
            ws.addCell(new Label(9, toursCount, deposit.getCheckBatchNum()));
            ws.addCell(new Label(10, toursCount, String.valueOf(deposit.getHmoney())));
            ws.addCell(new Label(11, toursCount, String.valueOf(deposit.getYmoney())));
            ws.addCell(new Label(12, toursCount, deposit.getDepoNum()));

            toursCount++;
        }
        ws.addCell(new Label(2, toursCount+5, "统计"));
        ws.addCell(new Label(4, toursCount+5, "总收入:"+String.valueOf(zsr)));
        ws.addCell(new Label(6, toursCount+5, "总支出:"+String.valueOf(zzc)));
        ws.addCell(new Label(8, toursCount+5, "余额:"+String.valueOf(zsr-zzc)));
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if(wb != null){
            try {
                wb.write();
                wb.close();
            } catch (Exception e) {
                e.printStackTrace();
            } 
        }
        if(sos != null){
            try {
                sos.flush();
                sos.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

}

Answer 1

我也没有弹出，直接将地址写死了再用下载的方法去做报一堆乱码 如果解决了麻烦告诉一下方法啊