Get-Help$HOME\Documents\Scripts\Get-Function.ps1 该Get-Helpcmdlet 返回有关命令的各种详细信息,包括说明、命令语法、有关参数的信息,以及演示如何在命令中使用参数的示例。 还可以使用 cmdlet 的Get-HelpParameter 参数查找有关特定参数的信息。 或者,可以将Parameter参数与通配符 (*) 值来查找有关命令的所有参数...
#> function TestDefaultValue { param( [PSDefaultValue(Help='Current directory')] [string]$Name = $PWD.Path ) $Name } 使用Get-Help 查看默认值信息。PowerShell 复制 Get-Help TestDefaultValue -Parameter name Output 复制 -Name <String> Required? false Position? 1 Default value Cur...
Now that the ComputerName is required, if one isn't specified, the function prompts for one. PowerShell Copy Test-MrParameterValidation Output Copy cmdlet Test-MrParameterValidation at command pipeline position 1 Supply values for the following parameters: ComputerName: If you want to allow...
To find information about the parameters of a script, use the full path to the script file. For example: PowerShell Get-Help$HOME\Documents\Scripts\Get-Function.ps1 TheGet-Helpcmdlet returns various details about the command, including a description, the command syntax, information about the par...
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functionGet-ComObject { <#.Synopsis Returns a list of ComObjects .DESCRIPTION Thisfunctionhas two parameter sets, it can eitherreturnall ComObject or a sub-section by thefilterparameter. This information is gathered from the HKLM:\Software\Classes container. ...
+ FullyQualifiedErrorId : Date required可以在定义函数时跳过参数声明,而在函数体中声明。函数体本身以脚本块的形式存在,可以包含param语句。下例中的Format-Date函数在脚本块中声明变量:展开表 PS C:\PowerShell> function Format-Date >> { >> param ($date = $(throw "Date required"), $format = "...
param($ComputerName= $(throw"ComputerName parameter is required."))functionCanPing {$Error.Clear()$tmp=Test-Connection$ComputerName-ErrorActionSilentlyContinueif(!$?) {Write-Host"Ping failed:$ComputerName.";return$false}else{Write-Host"Ping succeeded:$ComputerName";return$true} }functionCanRemote...
Parameters -ClientConfig <AmazonLambdaConfig> Amazon.PowerShell.Cmdlets.LM.AmazonLambdaClientCmdlet.ClientConfig Required? False Position? Named Accept pipeline input? True (ByPropertyName) -FunctionVersion <FunctionVersion> Set to ALL to include entries for all published versions of each function. ...
param($ComputerName= $(throw"ComputerName parameter is required."))functionCanPing {$Error.Clear()$tmp=Test-Connection$ComputerName-ErrorActionSilentlyContinueif(!$?) {Write-Host"Ping failed:$ComputerName.";return$false}else{Write-Host"Ping succeeded:$ComputerName";return$true} }functionCanRemote...