多文件上传demo

@ApiOperation(value = "批量上传", notes = "批量上传", httpMethod = "POST") ???@PostMapping(value = "/upload") ???public void upload(HttpServletRequest request) { ???????MultipartHttpServletRequest multipartRequest=(MultipartHttpServletRequest)request; ???????String savePath="E:/test/"; ???????//保证目录存在 ???????File dir = new File(savePath); ???????if (!dir.isDirectory()) { ???????????dir.mkdirs(); ???????} ???????Iterator<String> it = multipartRequest.getFileNames(); ???????while (it.hasNext()) { ???????????MultipartFile multipartFile = multipartRequest.getFile(it.next()); ???????????if (multipartFile != null) { ???????????????String originName = multipartFile.getOriginalFilename(); ???????????????int subIdx = originName.lastIndexOf("."); ???????????????String suffix = originName.substring(subIdx);//文件后缀 ???????????????File file; ???????????????String showName; ???????????????while (true) { ???????????????????showName = UUID.randomUUID().toString().replaceAll("-", "") + suffix;//文件名称 ???????????????????file = new File(savePath + showName); ???????????????????if (!file.exists()) { ???????????????????????break; ???????????????????} ???????????????} ???????????????byte[] buffer = new byte[1024]; ???????????????try (OutputStream os = new FileOutputStream(file); ????????????????????InputStream is = multipartFile.getInputStream()){ ???????????????????while (is.read(buffer) != -1) { ???????????????????????os.write(buffer); ???????????????????} ???????????????} catch (IOException e) { ???????????????????e.printStackTrace(); ???????????????} ???????????} ???????} ???}