public File doAttachment(HttpServletRequest request) throws ServletException, IOException { File file = null; DiskFileItemFactory factory = new DiskFileItemFactory(); ServletFileUpload upload = new ServletFileUpload(factory); try { List<?> items = upload.parseRequest(request); Iterator<?> itr = items.iterator(); while (itr.hasNext()) { FileItem item = (FileItem) itr.next(); if (item.isFormField()) { parameters .put(item.getFieldName(), item.getString("UTF-8")); } else { File tempFile = new File(item.getName()); file = new File(sc.getRealPath("/") + savePath, tempFile .getName()); item.write(file); } } } catch (Exception e) { Logger logger = Logger.getLogger(SendAttachmentMailServlet.class); logger.error("邮件发送出了异常", e); } return file; }
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { List<FileItem> items = new ServletFileUpload(new DiskFileItemFactory()).parseRequest(request); for (FileItem item : items) { if (item.isFormField()) { // Process regular form field (input type="text|radio|checkbox|etc", select, etc). String fieldname = item.getFieldName(); String fieldvalue = item.getString(); // ... (do your job here) } else { // Process form file field (input type="file"). String fieldname = item.getFieldName(); String filename = FilenameUtils.getName(item.getName()); InputStream filecontent = item.getInputStream(); // ... (do your job here) } } } catch (FileUploadException e) { throw new ServletException("Cannot parse multipart request.", e); } // ... }