@RequestMapping(params = "method=export", method = RequestMethod.GET)    public void exportConfig(HttpServletRequest request, HttpServletResponse response,            @RequestParam("dataId") String dataId, @RequestParam("group") String group,            @RequestParam("querymethod") String querymethod ,ModelMap modelMap) {       try{           //根据传过来的dataId和group查出当前页面的配置           Page
     
       pageConfigInfo = new Page
      
       ();           //判断是模糊查询还是查询，querymethod从前端传过来的志只能是findConfigInfoLike或者findConfigInfo，因此querymethod有Like就是模糊查询           if(querymethod.indexOf("Like") > 0 )               pageConfigInfo = this.configService.findConfigInfoLike(MIN_PAGE_NUM, MAX_PAGE_SIZE, group, dataId);           else               pageConfigInfo = this.configService.findConfigInfo(MIN_PAGE_NUM, MAX_PAGE_SIZE, group, dataId);           List
       
         listConfigInfo = new ArrayList
        
         ();            if (null != pageConfigInfo)               listConfigInfo = pageConfigInfo.getPageItems();                      //创建文件           String tempfileName = new String(FILE_NAME.getBytes("GBK"), "ISO8859_1");           response.reset();           //设定输出文件头           response.setHeader("Content-disposition", "attachment; filename="+tempfileName);           response.setContentType("application/x-msdownload");           //取得输出流           OutputStream outputStream = response.getOutputStream();           //创建文件           WritableWorkbook writableWorkbook = Workbook.createWorkbook(outputStream);           //创建工作表对象           WritableSheet writableSheet = writableWorkbook.createSheet(DEFAULT_SHEET, 0);           //写入表头           writableSheet.addCell(new Label(0, 0, "dataId"));           writableSheet.addCell(new Label(1, 0, "group"));           writableSheet.addCell(new Label(2, 0, "content"));           //写入数据           if(listConfigInfo!=null && !listConfigInfo.isEmpty()){               for(int i=0; i