@RequestMapping(value = "/excel", method = RequestMethod.GET)
public void exportExcel(SettlementBillItemAllDTO dto, HttpServletRequest request, HttpServletResponse response){
   settlementFinanceService.addOperationLog(null, null, "listOldExport", "匯出歷史演變表");
   // 設定sheet名稱和檔名稱
   String sheetName = "歷史演變表";
   String fileName = sheetName + ".zip";
   FileDownloadUtils.createFile(tempExcelFilePath);
   List<File> files = new ArrayList<File>();  //宣告一個集合，用來存放多個Excel檔案路徑及名稱
   try {
      Integer size = 1;
      Integer page = 1;
      while (size > 0){
         PageHelper.startPage(page, 100000);
         PageInfo<SettlementBillItemAllDTO> dtoList =settlementFinancePriceService.query(dto,null,null);
         String path = tempExcelFilePath + sheetName + page + ".xlsx";
         new ExportExcel("", SettlementBillItemAllDTO.class, sheetName).setDataList(dtoList.getList()).generateExcelToPath(path);
         //excel新增到files中
         files.add(new File(path));
         if(page >= dtoList.getPages()){
            size = 0;
         }else{
            size = dtoList.getSize();
         }

         page++;
      }
      String zipPath = tempExcelFilePath + fileName;
      //下載zip
      FileDownloadUtils.downloadZip(request, response, fileName, files, zipPath);
      //刪除tempDir資料夾和其中的excel和zip檔案
      boolean b = FileDownloadUtils.deleteDir(new File(tempExcelFilePath));
      if (!b) {
         throw new RuntimeException("tempDir資料夾及其中的臨時Excel和zip檔案刪除失敗");
      }

   } catch (Exception e) {
      log.error(e.getMessage(), e);
   }finally {

   }
}