更好的方法是使用Parameter[]修饰器,它所需的键入更少: Param( [Parameter(Mandatory)] $Path ) New-Item $Path Write-Host "File created at path $Path" 1. 2. 3. 4. 5. 6. 如果运行此脚本并省略$Path的值,则会出现一个提示该值缺失的对话框: cmdlet CreateF
Function Test-Function { Param ( [parameter(Mandatory=$true)]$Name, $Age = "18" ) Write-Host "$Name 今年 $Age 岁." } 1. 2. 3. 4. 5. 6. 7. 8. 说明: 与上篇文章中相比,我们在Name参数的前面加上了一些关键字"[parameter(Mandatory=$true)]",包括后面还会介绍一些针对参数的设定,都是...
$RemoteScriptCommand = { param ( [Parameter(Mandatory=$True)] $ComputerName) # Write out the hostname of the hybrid connection server. hostname # Write out the hostname of the remote server. Invoke-Command -ComputerName $ComputerName -Credential $Using:Credential -ScriptBlock {hostname} ` ...
[CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName) Write-Output$ComputerName} 如果需要指定一个默认参数需要将ValidateNotNullOrEmpty参数验证属性与默认值一起使用,不过不能与必需(Mandatory)参数一起使用! functionTest-MrParameterValidation { [CmdletBinding()]param( [ValidateNotNullOrEmpt...
Returns all ComObjects#>param( [Parameter(Mandatory=$true, ParameterSetName='FilterByName')] [string]$Filter, [Parameter(Mandatory=$true, ParameterSetName='ListAllComObjects')] [switch]$ListAll)$ListofObjects= Get-ChildItem HKLM:\Software\Classes -ErrorAction SilentlyContinue |Where-Object {$_....
Function Get-OSInfo { [CmdletBinding()] param( [Parameter(Mandatory=$True,ValueFromPipeline=$True,ValueFromPipelineByPropertyName=$True)] [string[]]$computername, [string]$logfile ) BEGIN {} PROCESS {} END {} } cmdlet 中的 PROCESS 塊可保證至少執行一次;如果未提供管道輸入,PROCESS 塊將執行一...
Use the Mandatory attribute to make parameters mandatory in PowerShell. Use Mandatory Attribute 1 2 3 4 5 6 7 8 9 10 function DisplayName { param( [Parameter(Mandatory=$true)] [string]$Name ) Write-Host $Name } DisplayName "John" OUTPUT 1 2 3 John First, we defined a function...
WorkflowTest-Runbook{Param( [Parameter(Mandatory=<$True|$False>] [Type]$<ParameterName>, [Parameter(Mandatory=<$True|$False>] [Type]$<ParameterName> ) <Commands> } 命名 工作流的名称应遵守“动词-名词”格式,该格式是 Windows PowerShell 的标准。 你可以参阅Approved Verbs for Windows PowerShell ...
function Get-PCInfo { [CmdletBinding()] param( [Parameter(Mandatory=$True, ValueFromPipeline=$True, ValueFromPipelineByPropertyName=$True)] [string[]]$computername ) PROCESS { Write-Verbose "Beginning PROCESS block" foreach ($computer in $computername) { Write-Verbose "Connecting to $computer"...
()]param( [Parameter(Mandatory =$true, HelpMessage ="Url of the site containing the pages to modernize")] [string]$SourceUrl, [Parameter(Mandatory =$false, HelpMessage ="Modern page takes source page name")] [bool]$TakeSourcePageName=$false, [Parameter(Mandatory =$false, HelpMessage ="...