String timestamp = new SimpleDateFormat("yyyyymmdd").format(new Date());
File tmpDir = FildRecieveUtil.getTmpUploadedFileDir(timestamp, true);
Map<File, Map<String, String>> fileParams = new HashMap<File, Map<String, String>>();
request.setCharacterEncoding("gbk");
RequestContext requestContext = new ServletRequestContext(request);
if (FileUpload.isMultipartContent(requestContext)) {
DiskFileItemFactory factory = new DiskFileItemFactory();
factory.setRepository(tmpDir);
ServletFileUpload upload = new ServletFileUpload(factory);