页面表格导出Excel表格

/**
     * 退票导出excel
     * @param
     * @return
     */
    @GetMapping("/export")
    @ResponseBody
    public Map<String, Object> export(HttpServletRequest request, HttpServletResponse response, RefundReq req) throws IOException {

        logger.info("refunded invoice get params : " + JsonUtils.toJson(req));

        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("utf-8");
        // 防止中文乱码
        String fileName = URLEncoder.encode("行业退票列表", "UTF-8");
        response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xls");

        Map<String, Object> resultMap = new HashMap<>();
        try {
            List<TRefundInvoice> exportList = refundInvoiceService.getExportList(req);

            List<RefundExportVo> dataList = new ArrayList<>(exportList.size());
            for (int i = 0; i < exportList.size(); i++) {
                RefundExportVo excelRow = new RefundExportVo();
                excelRow.setId(exportList.get(i).getId());
                excelRow.setInvoiceNo(exportList.get(i).getInvoiceNo());
                //excelRow.setInvoiceType(exportList.get(i).getInvoiceType());
                excelRow.setInvoiceAmount(exportList.get(i).getInvoiceAmount());
                excelRow.setRefundResonContent(exportList.get(i).getRefundResonContent());
                excelRow.setStatus(exportList.get(i).getStatus());
                excelRow.setCreateTime(exportList.get(i).getCreateTime());
                dataList.add(excelRow);
            }

            EasyExcel.write(response.getOutputStream(), RefundExportVo.class).sheet("退票列表").doWrite(dataList);

            resultMap.put("code", 0);
            resultMap.put("msg", "导出成功 ! ");
            return resultMap;
        } catch (IOException e) {
        logger.error("RefundInvoice export exception... " + e);
        resultMap.put("code", 1);
        resultMap.put("msg", "导出失败 ");
        }
        return resultMap;
    }