爬虫之 xpath的节点关系

IT之一小佬发布时间：2021-01-25 23:10:43 ，浏览量：0

爬虫之 xpath的节点关系

学习xpath语法需要先了解xpath中的节点关系

1.1 xpath中的节点是什么

每个html、xml的标签我们都称之为节点，其中最顶层的节点称为根节点。我们以xml为例，html也是一样的

1.2 xpath中节点的关系

author是title的第一个兄弟节点

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爬虫之 xpath的节点关系

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