XPath is a language for finding information in an XML document. XPath is used to navigate through elements and attributes in an XML document.
XPath is a major element in the W3C's XSLT standard - and XQuery and XPointer are both built on XPath expressions.
So an understanding of XPath is fundamental to a lot of advanced XML usage.
本文介绍了XPath语言在XML文档中的使用方法。XPath用于在XML文档中导航元素和属性,是理解高级XML用法的基础。此外,XPath还是W3C XSLT标准的重要组成部分,并被XQuery和XPointer等技术所采用。
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