对象 – 使用PowerShell的Add-Member会导致错误

发布时间：2020-12-13 20:45:57 所属栏目：百科来源：网络整理

导读：为什么下面的脚本会出现以下错误？ “Add-Member : Cannot process command because of one or more missing mandatory parameters: InputObject. + $obj = Add-Member -MemberType NoteProperty -Name ComputerName -Value $ComputerName + CategoryInfo :

为什么下面的脚本会出现以下错误？

“Add-Member : Cannot process command because of one or more missing
mandatory parameters: InputObject.
+ $obj = Add-Member <<<< -MemberType NoteProperty -Name ComputerName -Value $ComputerName
+ CategoryInfo : InvalidArgument: (:) [Add-Member],ParameterBindingException
+ FullyQualifiedErrorId : MissingMandatoryParameter,Microsoft.PowerShell.Commands.AddMemberCommand”

脚本

# Receives the computer name and stores the required results in $obj.
Function WorkerNetworkAdaptMacAddress {
    Param($ComputerName)

    $colItems = GWMI -cl "Win32_NetworkAdapterConfiguration" -name "rootCimV2" -comp $ComputerName -filter "IpEnabled = TRUE"
    $obj = New-Object -TypeName PSobject
    ForEach ($objItem in $colItems)
    {
        $obj = Add-Member -MemberType NoteProperty -Name ComputerName -Value $ComputerName
        $obj = Add-Member -MemberType NoteProperty -Name MacAddress -Value $objItem.MacAddress
        $obj = Add-Member -MemberType NoteProperty -Name IPAdress -Value $objitem.IpAddress
    }
    Write-Output $obj
}

# Receives the computer name and passes it to WorkerNetworkAdaptMacAddress.

Function Get-NetworkAdaptMacAddress {
    begin {}
    process{
        WorkerNetworkAdaptMacAddress -computername $_
    }
    end {}
}

# Passes a computer name to get-networkAdaptMacAddress
'tbh00363' | Get-NetworkAdaptMacAddress

试试这样：

$objcol = @()
ForEach ($objItem in $colItems)
{
    $obj = New-Object System.Object
    $obj | Add-Member -MemberType NoteProperty -Name ComputerName -Value $ComputerName
    $obj | Add-Member -MemberType NoteProperty -Name MacAddress -Value $objItem.MacAddress
    $obj | Add-Member -MemberType NoteProperty -Name IPAdress -Value $objitem.IpAddress
    $objcol += $obj
}
Write-Output $objcol

（编辑：李大同）

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