短语词组短语stand by with folder arms 袖手旁观stnd by with folder rms 袖手旁观delete by folder 删除文件夹;删除的文件夹upload folder by jsp 说明用来实现文件的上传下载以及图片的上传下载Parent folder by double click 双击鼠标到上级目录;双击鼠标到上级 返回 by folder