XPath具有条件的多个属性值之一 [英] XPath one of multiple attribute values with condition
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问题描述
给出以下表达式,如何使用=
使其更加简洁明了?
Given the following expression, how can I use =
to be more concise and explicit?
(//h2/@id[contains(.,"foo") or contains(.,"bar") or contains(.,"baz"))[last()]
这是我尝试过的方法,但我的口译员说这是无效的:
Here's what I tried, but my interpreter says it's not valid:
(//h2/@id[text() = ("foo", "bar", "baz")])[last()]
我不能使用contains()
,因为我需要防止子字符串匹配.我正在使用XPath 1.0和一个相关问题的答案是该问题的推动力.
I cannot use contains()
because I need to guard against substring matches. I'm using XPath 1.0 and an answer to a related question is the impetus for this question.
推荐答案
在XPath 2.0中,
In XPath 2.0,
(//h2[@id = ("foo", "bar", "baz")])[last()]
将选择文档中最后一个h2
元素,该元素的id
属性值为foo
,bar
或baz
.
would select the last h2
element in the document with an id
attribute value of foo
, bar
, or baz
.
在XPath 1.0中,您将使用显式的布尔or
运算符:
In XPath 1.0, you'd use explicit boolean or
operators:
(//h2[@id="foo" or @id="bar" or @id="baz"])[last()]
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