EasyExcel导出Excel到本地

 @PostMapping("/exportexcel")
    @ApiOperation(value = "导出Excel")
    public ResponseData exportExcel(HttpServletRequest request,
                                    HttpServletResponse response) throws IOException {
        applyRecordService.exportExcel(request, response);
        return ResponseData.success();
    }

  //导出
    public void exportExcel(HttpServletRequest request, HttpServletResponse response) 
                            throws IOException {
        List<TestModel> data = new ArrayList<>();//导出
        //导出
        writeExcelService.export(data, request, response);
    }

 public void export(List<TestModel> data, HttpServletRequest request, 
                    HttpServletResponse response) throws IOException {
        //
        String fileName = "apply" + System.currentTimeMillis() +         
        ExcelTypeEnum.XLS.getValue();

        ExcelWriter excelWriter = null;
        tr