XML DOM技术应用于网络课件点播的研究

XML DOM technology applies in the network courseware education on demand research

网上教育课件以XML文档的形式存储在服务器端,服务器端采用ASP技术,调用DOM接口,对XML文档进行解析,管理。用户在客户端实时点播,通过浏览器得到所需的课件相关信息,达到学生按需学习和老师按需教学的目的。从学习XML的基本知识入手,通过对XML文档显示技术的比较分析,指出CSS和XSL在显示XML文档上存在着一些不足,然后详细研究了XML DOM技术,利用XML DOM技术实现网上教育课件的点播和显示。

Educational courseware on the web stores as XML document format on the server. ASP technology is adopted in the server, the XML document is analyzed and managed using DOM interface. On the clients, users can get the correlated information ofcourseware by explorer. In this way, both teachers and students achieve their purposes. Begins with the basic knowledge of XML. By comparing the difference of display technology of XML document, the disadvantage of CSS and XSL in displaying XML document is pointed out. Then XML DOM technology is deeply researched. In the end, Using XML DOM technology, the demand and display of educational courseware on the web are realized.