摘要：
An XPath expression returns either a node-set, a string, a Boolean, or a number.
一个 XPath 表达式可以返回一个节点集，一个字符串，一个布尔值，或一个数值 阅读全文
摘要：
The XML Example Document
We will use the following XML document in the examples below. 阅读全文
摘要：
XPath uses path expressions to select nodes or node-sets in an XML document. The node is selected by following a path or steps. XPath使用路径表达式在XML文档中选择节点或节点套,节点的选择通过以下方式: 阅读全文
摘要：
什么是XPath
XPath is a syntax(语法) for defining parts of an XML document
XPath uses path expressions(路径表达式) to navigate(导航,定位) in XML documents
XPath contains a library of standard functions (包含一些标准函数库)
XPath is a major element in XSLT (XSLT的主要构成部份)
XPath is a W3C Standard (W3C的一个标准)
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