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
functionTest-MrParameterValidation { [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 { [CmdletBindi...
使用Parameter[]修饰器。 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 CreateFile.ps1 at ...
[Parameter(Mandatory=$true)] [string]$Name ) Write-Host $Name } DisplayName "John" OUTPUT 1 2 3 John First, we defined a function named DisplayName preceded by the function keyword. Inside this function, we used the param keyword (also referred to as param() block), which was used...
ParameterSetName='FilterByName')] [string]$Filter, [Parameter(Mandatory=$true, ParameterSetName='ListAllComObjects')] [switch]$ListAll)$ListofObjects= Get-ChildItem HKLM:\Software\Classes -ErrorAction SilentlyContinue |Where-Object {$_.PSChildName-match'^\w+\.\w+$'-and(Test-Path -Path"$...
[Parameter(Mandatory = true)] public string Name { get { return name; } set { name = value; } } private string name; [Parameter] [Alias ("FTE")] public SwitchParameter Employee { get { return employee; } set { employee = value; } } private Boolean employee; // Implement GetDynamic...
functionTest-MrParameterValidation{ [CmdletBinding()]param( [Parameter(Mandatory)] [string[]]$ComputerName)Write-Output$ComputerName} 如果没有指定ComputerName参数,也许要为其指定一个默认值。 问题是,默认值不能与强制性参数一起使用。 取而代之的是使用带有默认值的ValidateNotNullOrEmpty参数验证属性。
functionTest { [CmdletBinding()]Param( [Parameter(Mandatory=$true)]$Parameter1='default Value') } 正確 PowerShell functionTest { [CmdletBinding()]Param( [Parameter(Mandatory=$true)]$Parameter1) } 意見反映 此頁面有幫助嗎? 是否 問問社群
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 $computer" try...
In this case, the attribute calledParametercan take a parameter calledMandatory. We are passing the value$trueas its argument (a bit confusing, huh?). Note that the parameter definition is taking up two lines of code. This is done by convention, for readability. However, that is the same...