用dom树对html文件实现节点信息抽取，分为两部分，定制模板和分析模板-distinguish the html document by dom tree so that draw out the information ,it can divide into two parts ,that is demo tailor and demo analyse.

Tun2企业网站管理系统借鉴了Discuz的模板技术，实现了MVC模式，模板全面标签化，只需懂得简单的html语言就能打造一个漂亮的网站； -Tun2 enterprise website management system draws Discuz template technology, the MVC pattern, template comprehensive labeling, just to understand simple html language can create