属性值中的 XPath 通配符

发布于 2024-12-22 19:51:08 字数 211 浏览 1 评论 0原文

我有以下 XPath 来匹配类跨度的属性：

//span[@class='amount']

我想匹配具有“amount”类属性但也可能具有其他类的所有元素。我以为我可以做到这一点：

//span[@class='*amount*']

但这不起作用......我该怎么做？

原文

I have the following XPath to match attributes of the class span:

//span[@class='amount']

I want to match all elements that have the class attribute of "amount" but also may have other classes as well. I thought I could do this:

//span[@class='*amount*']

but that doesn't work...how can I do this?

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蓝眼睛不忧郁 2024-12-29 19:51:08

使用以下表达式：

//span[contains(concat(' ', @class, ' '), ' amount ')]

您可以单独使用 contains，但这也可以匹配 someamount 等类。在以下输入上测试上述表达式：

<root>
  <span class="test amount blah"/>
  <span class="amount test"/>
  <span class="test amount"/>
  <span class="amount"/>
  <span class="someamount"/>
</root>

它将选择前四个 span 元素，但不会选择最后一个。

Use the following expression:

//span[contains(concat(' ', @class, ' '), ' amount ')]

You could use contains on its own, but that would also match classes like someamount. Test the above expression on the following input:

<root>
  <span class="test amount blah"/>
  <span class="amount test"/>
  <span class="test amount"/>
  <span class="amount"/>
  <span class="someamount"/>
</root>

It will select the first four span elements, but not the last one.

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