<h2>上传多个文件 实例</h2>

    <form action="/workreport/uploadMultiFile.html" method="post" enctype="multipart/form-data">

        <p>

            选择文件:<input type="file" name="files">

        <p>

            选择文件:<input type="file" name="files">

        <p>

            选择文件:<input type="file" name="files">

        <p>

            <input type="submit" value="提交">

    </form>

　　 // 多文件上传

    @RequestMapping(value = "/uploadMultiFile")

    public String uploadMultiFile(HttpServletRequest request) {

        try {

            // 创建一个通用的多部分解析器

            CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());

            // 判断 request 是否有文件上传,即多部分请求

            if (multipartResolver.isMultipart(request)) {

                // 转换成多部分request

                MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) request;

                // get the parameter names of the multipart files contained in this request

                Iterator<String> iter = multiRequest.getFileNames();

                while (iter.hasNext()) {

                    // 取得上传文件

                    List<MultipartFile> multipartFiles = multiRequest.getFiles(iter.next());

                    String basePath = "F:/testDir/";

                    for (MultipartFile multipartFile : multipartFiles) {

                        String fileName = multipartFile.getOriginalFilename();

                        if (StringUtils.isNotEmpty(fileName)) {

                            multipartFile.transferTo(new File(basePath + fileName));

                        }

                    }

                }

            }

        } catch (IllegalStateException e) {

            e.printStackTrace();

        } catch (IOException e) {

            e.printStackTrace();

        }

        return "test/success";

    }

    // 文件上传

    @RequestMapping(value = "/uploadFile", method = RequestMethod.POST)

    public String uploadFile(HttpServletRequest request) throws IOException {

        MultipartHttpServletRequest multipartHttpServletRequest = (MultipartHttpServletRequest) request;

        MultipartFile file = multipartHttpServletRequest.getFile("file");

        String fileName = file.getOriginalFilename();

        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyyMMddHHmmss");

        String path = "F:/" + simpleDateFormat.format(new Date()) + fileName.substring(fileName.lastIndexOf("."));

        OutputStream fileOutputStream = new FileOutputStream(path);

        InputStream inputStream = file.getInputStream();

        byte[] buffer = new byte[2048];

        while (inputStream.read(buffer) != -1) {

            fileOutputStream.write(buffer);

        }

        log.info(path);

        fileOutputStream.flush();

        fileOutputStream.close();

        inputStream.close();

        return "test/success";

    }