functionTest-MrPipelineInput{ [CmdletBinding()]param( [Parameter(Mandatory, ValueFromPipeline)] [string[]]$ComputerName)process{Write-Output$ComputerName} } 按属性名称接受管道输入与此相似,不同之处在于使用ValueFromPipelineByPro
It's common to have one or more PowerShell function parameters thatmustbe used when a script is executed. In PowerShell, that parameter enforcement is called amandatoryparameter. When you make a parameter mandatory, the script or function can't run without it. Even if you forget to use...
functionMyArgumentCompleter {Param( [Parameter(Mandatory)] [ArgumentCompleter( {param($commandName,$parameterName,$wordToComplete,$commandAst,$fakeBoundParameters)# Perform calculation of tab completed values here.} )]$ParamName) } ArgumentCompleter 脚本块 ...
function DisplayName { param( [Parameter(Mandatory=$true)] [string]$Name ) Write-Host $Name } DisplayName ERROR 1 2 3 4 5 cmdlet DisplayName at command pipeline position 1 Supply values for the following parameters: Name: This time, we got the above-mentioned error because we called ...
functionGet-SumOfNumbers{ [CmdletBinding()]param( [Parameter(Mandatory, Position=0, ValueFromPipeline)] [int[]]$Numbers)begin{$retValue=0}process{foreach($nin$Numbers) {$retValue+=$n} }end{$retValue} } PS>Get-SumOfNumbers1,2,3,410PS>1,2,3,4|Get-SumOfNumbers10 ...
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!
One of the most frequently question I get when teaching parameters in PowerShell is regarding mandatory parameters. To answer that, let us back up a little bit and talk about parameters in general. We know that in a script (or function) we can use $args to capture any argument that is ...
[<CommonParameters>] New-Object [-ComObject] <String>[-Strict] [-Property <IDictionary>] [<CommonParameters>] 对于我们想要调用大漠插件使用这个命令就对了。 首先,可以直接网上下载大漠插件3.1233(这个是免费版本),一般都会有附带大漠接口说明.chm,里面有关于这个插件的各种说明,其它的插件也差不多是这个原理...
To find information about the parameters of a script, use the full path to the script file. For example: PowerShell Get-Help$HOME\Documents\Scripts\Get-Function.ps1 TheGet-Helpcmdlet returns various details about the command, including a description, the command syntax, information about the par...
Set-StrictMode -Version 2 function func_get_delegate_type_new { Param ( [Parameter(Position = 0, Mandatory = $True)] [Type[]] $var_parameters, [Parameter(Position = 1)] [Type] $var_return_type = [Void] ) $var_type_builder = [AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object...