HTML（Hyper Text Mark-up Language）即超文本标记语言或超文本链接标示语言，是目前网络上应用最为广泛的语言，也是构成网页文档的主要语言。HTML文本是由HTML命令组成的描述性文本，HTML命令可以说明文字、图形、动画、声音、表格、链接等。HTML的结构包括头部（Head）、主体（Body）两大部分，其中头部描述浏览器所需的信息，而主体则包含所要说明的具体内容。

-HTML (Hyper Text Mark-up Language) or HTML, or Hypertext Markup Language, is the most widely used web language, but also constitutes the main language of Web documents. HTML HTML command text is composed of descr iptive text, HTML commands that text, graphics, animation, sound, tables, links and so on. HTML' s structure consists of the head (Head), body (Body) two parts, the head of which the information needed to describe the browser, while the body contains the specific content to be described.