我有一个以下类型的xml -
<Test>
<Address>
<AddressType>Postal</AddressType>
<Street>123</Street>
<Suburb>Rhodes</Suburb>
</Address>
<Address>
<AddressType>Commmunication</AddressType>
<Street>345</Street>
<Suburb>Liberty Grove</Suburb>
</Address>
我的任务是让街道和郊区与地址类型相关 - 邮政的格式为街道,郊区。
我这样做的脚本如下所示 -
$Path = "C:\Testing.xml"
$XPath = "/Test/Address[AddressType='Postal']"
$LeafNodes ="$($_.Street) , $($_.Suburb)"
$xml = New-Object xml
$xml.Load($Path)
$string = @"
select-xml -Xml "$($xml)" -XPath "$($XPath)" |
select -ExpandProperty Node |
select @{N="FullAddress";E={"$LeafNodes"}} |
select -ExpandProperty FullAddress
"@
$ScriptBlock = [scriptblock]::Create($string)
.$ScriptBlock
运行上面的块会给我一个奇怪的错误。如下所示 -
Select-Xml : Cannot bind parameter 'Xml'. Cannot convert the "System.Xml.XmlDocument" value of type
"System.String" to type "System.Xml.XmlNode".
At line:1 char:17
+ select-xml -Xml "System.Xml.XmlDocument" -XPath "/Test/Address[AddressType='Post ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Select-Xml], ParameterBindingException
+ FullyQualifiedErrorId : CannotConvertArgumentNoMessage,Microsoft.PowerShell.Commands.SelectXmlCom
mand
我的实际任务是LeafNode变量将来自另一个映射文件。
假设文件要求数据为Street; Suburb然后$ LeafNodes,我将使用一些字符串操作实现,如下所示
$LeafNodes= "$($_.Street) ; $($_.Suburb)"
有人可以帮助我解决这种转换类型失败的问题吗?我无法找到将整个东西存储在另一个.ps1中的选项。我的实际任务是从大量复杂的xml中查找和连接数据节点。
编辑 - 感谢har07指出来。我现在已经修改了脚本以及运行脚本时遇到的新错误。
答案 0 :(得分:0)
随着大量的挖掘和寻找替代方案,我能够管理一个变通方法。在这里 -
$Path = "C:\Testing.xml"
$DesiredOutput = "*Street*,*Suburb"
$XPath = "/Test/Address[AddressType='Postal']"
# variable to ensure only non special characters
# are identified
$Pattern = "^[a-zA-Z0-9\s]+$"
$xml = New-Object -TypeName System.Xml.XmlDocument
$xml.Load($Path)
#get the target node whose child elements are
# needed to be manipulated
$targetNode = Select-Xml -Xml $xml -XPath $XPath
# Split the desired output into an array
# here * is the seprator to get the Nodes
$Nodes = $DesiredOutput -split '\*'
# variable to store the output
$output = $null
# loop through each node and get the corresponding
# values and store it in the output variable
foreach($Node in $Nodes)
{
if($Node -match $Pattern ){
$output += [string]($targetNode.Node.SelectSingleNode($Node).'#text')
}
else{
$output += $Node
}
}
#get the output
$output