上传文件控制器代码

 //测试上传FSN文件@RequestMapping("FSNUpload")@ResponseBodypublic JSONObject imgUpload(HttpServletRequest request) throws IllegalStateException, IOException {JSONObject json = TestController.uploadImg(request, PropertiesUtil.getProperty("upload.path"));return json;}public  static JSONObject uploadImg(HttpServletRequest request, String imgParentDir) {JSONObject json = new JSONObject();// 将当前上下文初始化给 CommonsMutipartResolver （多部分解析器）CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());// 检查form中是否有enctype="multipart/form-data"if (multipartResolver.isMultipart(request)) {// 将request变成多部分requestMultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;// 获取multiRequest 中所有的文件名Iterator iter = multiRequest.getFileNames();while (iter.hasNext()) {// 一次遍历所有文件MultipartFile file = multiRequest.getFile(iter.next().toString());if (file != null) {String serverPath = request.getSession().getServletContext().getRealPath(imgParentDir);// imgParentDir(/upload/good/)String filePath = new Date().getTime() + file.getOriginalFilename();String path = serverPath + "/" + filePath;// 上传try {file.transferTo(new File(path));json.put("imgPath", imgParentDir + filePath);} catch (IllegalStateException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}}return json;}    控制器中上传代码如上