本内容遵循CC 4.0 BY-SA版权协议 W3C于1999年发布的XPath 1.0标准（全称XML Path Language）是处理XML文档的查询语言规范。作为XSLT和XPointer的核心组件，它提供了一套完整的语法体系，用于在XML文档树中 ...
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