继续查询Powershell开关参数

我想写一个Powershell模块，它可以读取我所在域中所有PC的信息。该脚本目前运行良好，但我想为Switch参数进行多个选择。示例：获取BERPCinfoFilter-Disk-Serial-Processor。如何调整开关参数的if查询，使其成为可能？ 提前谢谢

function Get-BERPCinfoFilter {
     param(
        [switch]$Processor,
        [Switch]$Videocard,
        [Switch]$Disk,
        [Switch]$memory,
        [Switch]$Serial
    )
    
Write-Host Please wait...

#Search all PCs in Domain
$ADC = Get-ADComputer -SearchBase <#Ou from Domain#> | Select-Object -ExpandProperty Name 
#Get informations from this PCs
$Function = ForEach ($Computer in $ADC){
            $Computername = $Computer
             $Connection = Test-Connection $Computername -Count 1 -Quiet

                  if($Connection -match "True"){
                            Write-Host "$Computername is reachable!" -ForegroundColor Green
                             
                                #Processor
                            if($Processor -match "True"){
                                Get-CimInstance -ComputerName $Computername -Class Win32_Processor | 
                                Select-Object -Property Name
                                }

                                #Videocard
                            if($Videocard -match "True"){
                                Get-CimInstance -ComputerName $Computername -Class Win32_VideoController | 
                                Select-Object -Property Name,DriverVersion,@{Label="DriverDate";Expression={$_.DriverDate.ToString("dd.MM.yyyy")}}
                                }

                                #Disk
                            if($Disk -match "True"){
                                Get-CimInstance -ComputerName $Computername -Class Win32_LogicalDisk -Filter "DriveType=3" | 
                                Select-Object DeviceID, VolumeName, @{n="Size in GB";e={[math]::truncate($_.size / 1GB)}}, @{n="FreeSpace in GB";e={[math]::truncate($_.freespace / 1GB)}}  
                                }

                                #Memory
                            if($Memory -match "True"){
                                Get-CimInstance -ComputerName $Computername -class Win32_Physicalmemory | 
                                Select-Object Devicelocator,@{n="Capacity in GB";e={[math]::truncate($_.capacity / 1GB)}}
                                }

                                #Serial
                            if($Serial -match "True"){
                                Get-CimInstance -ComputerName $Computername -class win32_bios | 
                                Select-Object Serialnumber
                                }

                           }

                  if($Connection -match "False"){ 
                            Write-Host "$Computername is not reachable!" -ForegroundColor Red
                        }

            }

         $Pfad = "$env:USERPROFILE\Desktop\Result.csv"
         $Function | Export-Csv -Path $Pfad -NoTypeInformation -Delimiter ";"
         Write-Host "The result is saved at path: $Pfad" -ForegroundColor Yellow
      }  

您可以使用与[switch]参数类型无关的switch语句，而不是通过$PSBoundParameters上的名称：

您会注意到，我故意省略了为所有计算机查询Active Directory的部分

通过重构函数一次只查询一台计算机，您现在可以更灵活地重用它。对于查询所有计算机的现有用例，您仍然可以执行以下操作：

$AllComputers = Get-ADComputer

$Details = foreach($Computer in $AllComputers){
    $Connection = Test-Connection $Computer.Name -Count 1 -Quiet
    if($Connection){
        Get-BERPCinfoFilter -ComputerName $Computer.Name -Processor -Disk -Whatever
    }
}

$Details |Select property,names |Export-Csv ...

。。。但现在，您也可以对目标计算机进行更多选择，而不是总是等待函数查询所有计算机：

# Much faster if we only need info on one or a few machines
$computer1Memory = Get-BERPCinfoFilter -ComputerName computer01 -Memory

---

这是我带开关的新功能：

                $Function= switch($PSBoundParameters.Keys){      
                                #Processor
                            'Processor' {
                                Get-CimInstance -ComputerName $Computername -Class Win32_Processor | 
                                Select-Object -Property Name
                                }

                                #Videocard
                            'Videocard' { 
                                #$os = Get-WmiObject -ComputerName $Computername –Class Win32_OperatingSystem
                                Get-CimInstance -ComputerName $Computername -Class Win32_VideoController | 
                                Select-Object -Property Name,DriverVersion,@{Label="DriverDate";Expression={$_.DriverDate.ToString("dd.MM.yyyy")}}
                                }

                                #Disk
                            'Disk' {
                                Get-CimInstance -ComputerName $Computername -Class Win32_LogicalDisk -Filter "DriveType=3" | 
                                Select-Object DeviceID, VolumeName, @{n="Size in GB";e={[math]::truncate($_.size / 1GB)}}, @{n="FreeSpace in GB";e={[math]::truncate($_.freespace / 1GB)}}  
                                }

                                #Memory
                            'Memory' { 
                                Get-CimInstance -ComputerName $Computername -class Win32_Physicalmemory | 
                                Select-Object Devicelocator,@{n="Capacity in GB";e={[math]::truncate($_.capacity / 1GB)}}
                                }

                                #Serial
                            'Serial' {
                                Get-CimInstance -ComputerName $Computername -class win32_bios | 
                                Select-Object Serialnumber
                                }

                           }
$Function | select * | Export-Csv -Path $Pfad -NoTypeInformation -Delimiter ";"

---

一旦你实现了这一点，你可以通过运行作业一次返回多台计算机。。。如果您想插入开关盒，但它只能输出一个属性。@KilianP。它们正在被输出，您只是看不到它们，因为PowerShell的格式化子系统只显示在结果集合的第一项上找到的属性。请尝试$Details | Select*@MathiasR.Jessen，| Select*只获取名称，而不获取over属性。@KilianP。为了清楚起见，您替换了代码以获取。。。示例中的注释与实际代码一致，对吗？

                $Function= switch($PSBoundParameters.Keys){      
                                #Processor
                            'Processor' {
                                Get-CimInstance -ComputerName $Computername -Class Win32_Processor | 
                                Select-Object -Property Name
                                }

                                #Videocard
                            'Videocard' { 
                                #$os = Get-WmiObject -ComputerName $Computername –Class Win32_OperatingSystem
                                Get-CimInstance -ComputerName $Computername -Class Win32_VideoController | 
                                Select-Object -Property Name,DriverVersion,@{Label="DriverDate";Expression={$_.DriverDate.ToString("dd.MM.yyyy")}}
                                }

                                #Disk
                            'Disk' {
                                Get-CimInstance -ComputerName $Computername -Class Win32_LogicalDisk -Filter "DriveType=3" | 
                                Select-Object DeviceID, VolumeName, @{n="Size in GB";e={[math]::truncate($_.size / 1GB)}}, @{n="FreeSpace in GB";e={[math]::truncate($_.freespace / 1GB)}}  
                                }

                                #Memory
                            'Memory' { 
                                Get-CimInstance -ComputerName $Computername -class Win32_Physicalmemory | 
                                Select-Object Devicelocator,@{n="Capacity in GB";e={[math]::truncate($_.capacity / 1GB)}}
                                }

                                #Serial
                            'Serial' {
                                Get-CimInstance -ComputerName $Computername -class win32_bios | 
                                Select-Object Serialnumber
                                }

                           }
$Function | select * | Export-Csv -Path $Pfad -NoTypeInformation -Delimiter ";"