如何基于属性值选择XmlElement?
假设我有以下xml如何基于属性值选择XmlElement?,xml,powershell,Xml,Powershell,假设我有以下xml <?xml version="1.0"?> <catalog> <book id="bk101"> <author>Gambardella, Matthew</author> </book> <book id="bk102"> <author>Ralls, Kim</author> </book>
<?xml version="1.0"?>
<catalog>
<book id="bk101">
<author>Gambardella, Matthew</author>
</book>
<book id="bk102">
<author>Ralls, Kim</author>
</book>
<book id="bk103">
<author>Corets, Eva</author>
</book>
</catalog>
然后如何选择id值为“bk102”的book元素,以便将该Xmlnode传递给另一个需要Xmlnode的函数
i、 e我的新节点将是:
$Node = <book id="bk102">
<author>Ralls, Kim</author>
</book>
$Node=
拉尔斯,金
谢谢大家。整个上午都在苦苦挣扎。您可以使用
Where Object
过滤书籍,也可以尝试XPath。这里有两个例子:
点导航
$bookid = 'bk102'
$myxml = [xml](Get-Content '.\New Text Document.txt')
$node = $myxml.catalog.book | Where-Object { $_.id -eq $bookid }
$node
id author
-- ------
bk102 Ralls, Kim
XPath
$bookid = 'bk102'
$myxml = [xml](Get-Content '.\New Text Document.txt')
$node = $myxml.SelectSingleNode("catalog/book[@id='$bookid']")
$node
id author
-- ------
bk102 Ralls, Kim
这两个答案都有效,所以我向佩瑟莱道歉。我选择这个答案是因为我最终使用了SelectSingleNode方法。谢谢你们两位的快速回复!
$bookid = 'bk102'
$myxml = [xml](Get-Content '.\New Text Document.txt')
$node = $myxml.SelectSingleNode("catalog/book[@id='$bookid']")
$node
id author
-- ------
bk102 Ralls, Kim