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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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