摘要
XML是SGML(StandardGeneralizedMarkupLanguage标准通用标签语言 )的一个优化子集。它的形式与内容分离 ,具有可扩展性、互操作性、开放性、灵活性、自描述性等特点。XML功能强大 ,易学易用 ,它非常适于Web上的数据交换与发布。电子商务、WAP。
XML(eXtensible Markup Language) is an optimized subset of SGML(Standard Generalized Markup Language). In XML, the format is separated from its contents. XML has characteristics such as extensibility, inter manipulation, openness, flexibility and self description. It has strong function and is easy to learn and operate, so it is applied to data exchange and presentation. E business, WAP and E book are typical applications of XML.