IE8+SpringMVC文件上传防止JSON下载

@RequestMapping(value = "/batchUpload", method = RequestMethod.POST,produces = "text/json;charset=UTF-8")
  @ResponseBody
  public Object batchUpload(@RequestParam String orderId, @RequestParam("file") MultipartFile file, HttpServletResponse response) {
    response.setHeader("Cache-Control", "no-cache");
    response.setHeader("X-Frame-Options", "SAMEORIGIN");
    response.setHeader("Access-Control-Allow-Origin", "*");
    
    String filePath = fileUploadService.upload(file);
    Map result = new HashedMap();
    if (filePath == null) {
      result.put("status", 0);
    } else {
      result.put("status", 1);
      result.put("filePath", filePath);
    }
    return JSON.toJSONString(result);
  }