若要通知 Windows PowerShell 运行时此属性是 Name 参数,System.Management.Automation.ParameterAttribute 属性添加到属性定义中。 声明此属性的基本语法是 [Parameter()]。 备注 参数必须显式标记为公共。 未标记为内部公共默认值且未由 Windows PowerShell 运行时找到的参数。 此cmdlet 对 Name 参数使用...
function Test-ValueFromPipelineByPropertyName{ param( [Parameter(Mandatory, ValueFromPipelineByPropertyName)] [string[]]$ComputerName ) Write-Output -InputObject "Saw that ComputerName was '$ComputerName'" } 然後,使用 ComputerName 屬性來管線對象的示範會是:Power...
代码如下: namespacePowershellModule{[Cmdlet(VerbsDiagnostic.Test,"SampleCmdlet")][OutputType(typeof(FavoriteStuff))]publicclassTestSampleCmdletCommand:PSCmdlet{[Parameter(Mandatory=true,Position=0,ValueFromPipelineByPropertyName=true)]publicintFavoriteNumber{get;set;}[Parameter(Position=1,ValueFromPipelineBy...
PIPELINE INPUT ValueFromPipelineByPropertyName WITH COERCION The red outlined area inFigure 11shows that the name parameter of the Set-Service cmdlet will now attempt to accept pipeline input ByPropertyName without coercion, whichisaccepted and binding is successful. This is b...
[System.String] RESTORING pipeline parameter's original values Parameter [Path] PIPELINE INPUT ValueFromPipeline NO COERCION BIND arg [[file2].txt] to parameter [Path] Binding collection parameter Path: argument type [String], parameter type [System.String[]], collection type Array, element type...
Accepts Pipeline Input This setting indicates whether you can use the pipeline operator (|) to send a value to the parameter. Value Description --- --- False Indicates that you cannot pipe a value to the parameter. True (by Value) Indicates that you can pipe any value to the parameter,...
Get-Help Move-ItemProperty -Parameter Destination -Destination <String> Specifies the path to the destination location. Required? true Position? 1 Default value None Accept pipeline input? True (ByPropertyName) Accept wildcard characters? false 结果显示,目标仅“按属性名称”接受管道输入。 因此,管道...
All of that is contained within the Param() block. Note that you don’t have to use the [Parameter()] decorator on every parameter. Only use it on the ones where you need to declare something, such as the parameter being mandatory, accepting pipeline input, being in a certain position ...
+ FullyQualifiedErrorId : ParameterArgumentValidationError,Microsoft.PowerShell.Commands.GetServiceCommand 1. 2. 3. 4. 5. 6. 7. 8. 9. 首先看看输出类型,是一个ADComputer的类型 AI检测代码解析 PS C:\windows\system32> get-adcomputer sydwsus | gm ...
function inc ([parameter(ValueFromPipeline)]$x) {return $x + 1} Write-Host (3 | inc) #输出为:4 五、使用引用 函数参数可使用引用类型,使用引用类型之后便可以在函数中修改外部变量的数值。 在参数前使用[ref]指定使用引用类型。如function f ([ref]$x)。传参时,要求把传入数值转换为引用类型,转换...