asp上传文件，ASP树状结构,是ASP的精华

KnowledgeRoot 是一个采用 PHP 开发的知识库系统，基于树状结构对内容进行组织。使用 FCKEditor 进行内容编辑。 -KnowledgeRoot is a knowledge base system developed in PHP that organizes content based on a tree structure. Use FCKEditor for content editing.