xPath - 如何向节点的父节点添加条件？
我正在尝试向节点的父节点添加条件，但无法使其工作。
我只想要具有特定类别的节点，但也希望其父节点也具有特定类别，例如：
//*[@class='price' and parent@class='special-price']
有人知道如何为父节点添加条件吗？
谢谢
I'm trying to add a condition to a node's parent, and I can't get it to work.
I only want the nodes having a certain class, but also for which the parent has also a certain class, like :
//*[@class='price' and parent@class='special-price']
Does someone have an idea on how to add conditions on parents too ?
Thanks
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如果您无论如何都要搜索整个文档，请在查找子文档的过程中过滤父文档，而不是选择子文档，然后返回检查父文档。
If you're searching the whole document anyway, then filter the parents en route to the children, rather than selecting the children and then going back up to check the parent.
使用
//*p[@class = 'special-price']/*[@class = 'price']或//*[@class = 'price' 和 ../ @class = '特价']。Use
//*p[@class = 'special-price']/*[@class = 'price']or//*[@class = 'price' and ../@class = 'special-price'].