DiskFileItemFactory factory = new DiskFileItemFactory(); // 2. 创建文件上传对象 ServletFileUpload upload = new ServletFileUpload(factory); // 3. 判断表单类型 if(ServletFileUpload.isMultipartContent(request)){ try { // 4.混合表单 List<FileItem> list = upload.parseRequest(request); // 5. ...