public boolean exportExcel(ExportCustomerDto expDto)
            throws Exception
    {
        boolean isSuccess = false;
//开始构造导出Excel文件名称
        StringBuffer fileNameBuffer = new StringBuffer();
        fileNameBuffer.append(CustomerConstants.EXPORT_CUS_FILENAME);
        SimpleDateFormat fmtDate = new SimpleDateFormat("yyyyMMddHHmmss");
        fileNameBuffer.append(fmtDate.format(new Date()));
        fileNameBuffer.append((int) (10F * (new Random()).nextFloat()));
        fileNameBuffer.append(".xls");
//构造导出Excel文件名称完成

        HSSFWorkbook workbook = new HSSFWorkbook(); // 产生工作簿对象
        HSSFSheet sheet = workbook.createSheet(); // 产生工作表对象
        // 设置第一个工作表的名称为firstSheet
        // 为了工作表能支持中文，设置字符编码为UTF_16
        workbook.setSheetName(0, "客户批量导出", HSSFWorkbook.ENCODING_UTF_16);
        // 产生一行
        HSSFRow row = sheet.createRow((short) 0);
        // 产生第一个单元格
        String[] tableHead = {"姓名","电话","性别"................};
        for (int i = 0; i < tableHead.length; i++)
        {
            HSSFCell cell = row.createCell((short) i);
            // 设置单元格内容为字符串型
            cell.setCellType(HSSFCell.CELL_TYPE_STRING);
            // 为了能在单元格中写入中文，设置字符编码为UTF_16。
            cell.setEncoding(HSSFCell.ENCODING_UTF_16);
            // 往第一个单元格中写入信息
            cell.setCellValue(tableHead[i]);
        }

        List list = cusExportDao.cusExportList(expDto);//从数据库查的所有客户List
        int rowcount = 0;

        for (int j = 0; j < list.size(); j++)
        {
            ExportCustomerDto dto = (ExportCustomerDto) list.get(j);
            rowcount = j + 1;
            // 产生一行
            HSSFRow row2 = sheet.createRow((short) rowcount);

            for (int k = 0; k < tableHead.length; k++)
            {
                HSSFCell cell2 = row2.createCell((short) k);
                // 设置单元格内容为字符串型
                cell2.setCellType(HSSFCell.CELL_TYPE_STRING);
                // 为了能在单元格中写入中文，设置字符编码为UTF_16。
                cell2.setEncoding(HSSFCell.ENCODING_UTF_16);
                // 往第一个单元格中写入信息

                if (k == 0)
                {
                    cell2.setCellValue(dto.getCustomerName());
                }
                if (k == 1)
                {
                    cell2.setCellValue(dto.getStrCustomerType());
                }
                if (k == 2)
                {
                    cell2.setCellValue(dto.getStrSex());
                }
                if (k == 3)
                {
                    cell2.setCellValue(dto.getPersonCardId());
                }
                if (k == 4)
                {
                    cell2.setCellValue(dto.getTelPhone());
                }
                if (k == 5)
                {
                    cell2.setCellValue(dto.getCellPhone());
                }
                if (k == 6)
                {
                    cell2.setCellValue(dto.getAddress());
                }
                if (k == 7)
                {
                    cell2.setCellValue(dto.getMailCode());
                }
                if (k == 8)
                {
                    cell2.setCellValue(dto.getEmail());
                }
                if (k == 9)
                {
                    cell2.setCellValue(dto.getViteDate());
                }
                if (k == 10)
                {
                    cell2.setCellValue(dto.getSaleGuid());
                }

                // ////这里要加入要写到EXCEL表格中去的值
            }
        }
        String fullFileName = System.getProperty("java.io.tmpdir") + "\\" + fileNameBuffer.toString();
        expDto.setFilepath(fullFileName);
        System.out.println(expDto.getFilepath());

        FileOutputStream fOut = new FileOutputStream(fullFileName);
        workbook.write(fOut);
        fOut.flush();
        fOut.close();
        isSuccess = true;
        return isSuccess;
    }