在上面的示例中,您可以看到添加了参数之后AllowEmptyString(),程序将接受Empty字符串。同样,当您添加AllowEmptyCollection()参数时,PowerShell将接受数组的空值。 function print_String{ [cmdletbinding()] param( [parameter(Mandatory=$True)] [AllowEmptyCollection()] [string[]]$stringarray ) Write-Output "Writ...
Writing a single string 在上面的示例中,您可以看到添加了参数之后AllowEmptyString(),程序将接受Empty字符串。同样,当您添加AllowEmptyCollection()参数时,PowerShell将接受数组的空值。 function print_String{ [cmdletbinding()] param( [parameter(Mandatory=$True)] [AllowEmptyCollection()] [string[]]$stringarr...
param( [Parameter(Mandatory, ParameterSetName="Computer")] [string[]]$ComputerName, [Parameter(Mandatory, ParameterSetName="User")] [string[]]$UserName, [Parameter()] [switch]$Summary ) 每個自變數中只能指定一個ParameterSetName值,而且每個ParameterSetName屬性中只能指定一個自變數。 ...
问允许param接受空字符串PowerShellEN严格来说，param并不能称作一种通信方式，因为它往往只是用来存储一些...
[AllowEmptyString] [AllowNull] [ArgumentCompleter] [ArgumentCompletions] [array] [bigint] [bool] [byte] [char] [cimclass] [cimconverter] [ciminstance] [CimSession] [cimtype] [CmdletBinding] [cultureinfo] [datetime] [decimal] [double]
Use Unix line endings for shell scripts (#15180) Apr 13, 2021 .gitignore Convert powershell/PowerShell-Windows-CI to GitHub Actions (#24899) Feb 1, 2025 .globalconfig Enable CA1868: Unnecessary call to 'Contains' for sets (#21165) Mar 1, 2024 .mailmap Add Git mailmap for Andy Jordan...
Add completion single/double quote support for -PSEdition parameter for Get-Module (#24971) (Thanks @ArmaanMcleod!) Error when New-Item -Force is passed an invalid directory name (#24936) (Thanks @kborowinski!) Allow Start-Transcriptto use $Transcript which is a PSObject wrapped string to ...
public string Parameter1; [Parameter(Mandatory = true, ValueFromPipeline = true)] public string InputObject; protected override void ProcessRecord() { if ( Parameter1 != null ) { WriteObject(Parameter1 + ":" + InputObject); } else { ...
string to System.Management.Automation.ScriptBlock Cannot use Set-Acl properly despite being file owner and being a member of Administrators Group. Cannot validate argument on parameter 'Name'. The argument is null or empty. Provide an argument that is not null or empty, and then try the ...
If this parameter is omitted from the command, or it value is$nullor an empty string, the workflow target is the local computer and Windows PowerShell remoting is not used to run the command. To use an IP address in the value of theComputerNameparameter, the command must include thePSCred...