Powershell - 无法比较来自 Sharepoint 列表的字符串输出

Question

从 SharePoint 提取列表后，我需要根据其 BRTeam 值验证每个项目。这是脚本：

cls
if((Get-PSSnapin | Where {$_.Name -eq "Microsoft.SharePoint.PowerShell"}) -eq $null) {
     Add-PSSnapin Microsoft.SharePoint.PowerShell;
}

$sourceWebUrl = "http://theoracle/WorkingHere/"
$sourceListName = "Policies & Procedures"

$spSourceWeb = Get-SPWeb $sourceWebUrl
$spSourceList = $spSourceWeb.Lists[$sourceListName]

$spSourceItems = $spSourceList.Items

$spSourceItems | ForEach-Object {
    Write-Host $_['Name']
    Write-Host $_['BRTeam']
}

代码在获取数据和将所需项目写入主机方面运行良好。

但是，如果我添加以下 If 语句来验证项目，我会看到一个错误：

if ($_['BRTeam'].Contains('HR')) {
    Write-Host $_['Name']
    Write-Host $_['BRTeam']
} 

在分配$x = $_['BRTeam'] 后，我也尝试用$x -contains 'HR' 替换布尔检查，但这不会返回任何输出（也没有错误）。以下错误：

Method invocation failed because [Microsoft.SharePoint.Taxonomy.TaxonomyFieldValue] doesn't contain a method named 'Contains'.
At line:21 char:9
+     if ($_['BRTeam'].Contains('HR')) {
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (:) [], RuntimeException
    + FullyQualifiedErrorId : MethodNotFound

谁能告诉我这里缺少什么？

Answer 1

我可以通过使用 -Match 运算符来解决此问题：

$spSourceItems | ForEach-Object {
    #Write-Host $_['ID']
    #Write-Host $_['Workflow Started']
    $x =  $_['BRTeam']

    if ($_['BRTeam'] -Match 'HR') {
        Write-Host $_['Name']
    }     
}

如果我担心其他一些 BRTeam 可能包含 HR 而实际上不是 HR，我还可以对所有其他部门执行 -NotMatch。

例如：

$spSourceItems | ForEach-Object {
    #Write-Host $_['ID']
    #Write-Host $_['Workflow Started']
    $x =  $_['BRTeam']

    if ($_['BRTeam'] -Notmatch 'Accounts' -And $_['BRTeam'] -Notmatch 'IT') {
        Write-Host $_['Name']
    }     
}