上传文件控制器代码

 //测试上传FSN文件
	@RequestMapping("FSNUpload")
	@ResponseBody
	public 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request
			MultipartHttpServletRequest 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