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Python爬虫编程思想（42）：XPath实战：匹配属性
source link: https://blog.csdn.net/nokiaguy/article/details/120678988
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目录
1. 属性匹配与获取
在前面的例子中只是根据节点名称进行匹配，其实XPath的匹配功能远不止如此，比较常用的匹配就是根据属性值来选取节点。引用属性值需要在属性名前面加@，如@class表示class属性。XPath的过滤条件需要放到一对中括号（[...]）中，如'//a[@class="item1"]'表示过滤所有class属性值为item1的<a>节点。如果不将属性引用放在[...]中，就是获取属性值，如&
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