code: private void putFile(String name, UploadFile uploadFile) {
  		UploadFile[] fileUploads = requestFiles.get(name);
  		fileUploads = fileUploads == null ? new UploadFile[] { uploadFile } : ArrayUtil.append(fileUploads, uploadFile);
  		requestFiles.put(name, fileUploads);
  	}
docs: 加入上传文件
  
  @param name 参数名
  @param uploadFile 文件