function [<scope-modifier>:]<name> {<function-body>} 下列命令不使用範圍修飾詞,會在目前或本機範圍中建立變數: PowerShell $a="one" 若要在全域範圍中建立相同的變數,請使用範圍global:修飾詞: PowerShell $global:a="one"Get-Variablea |Format-List* ...
PowerShell 变量提供程序创建一个Variable:驱动器,该驱动器的外观和行为类似于文件系统驱动器,但它包含会话中的变量及其值。 若要更改为Variable:驱动器,请使用以下命令: PowerShell Set-LocationVariable: 若要列出驱动器中的Variable:项和变量,请使用Get-Item或Get-ChildItemcmdlet。
Don't modify the global$ErrorActionPreferencevariable unless absolutely necessary. If you change it in a local scope, it reverts to the previous value when you exit that scope. If you're using something like .NET directly from within your PowerShell function, you can't specify theErrorAction...
functionglobal:Get-DependentSvs{Get-Service|Where-Object{$_.DependentServices} } 当函数在全局范围内时,可以在脚本、函数和命令行中使用该函数。 函数创建新的范围。 在函数中创建的项(如变量)仅存在于函数范围内。 有关详细信息,请参阅about_Scopes。
chore: Refactor Nuget package source creation to use New-NugetPackageSource function (#24104) (#24397) Update vpack pipeline (#24281) (#24402) Add BaseUrl to buildinfo json file (#24376) (#24401) Make some release tests run in a hosted pools (#24270) (#24400) Check Create and...
1Set-StrictMode -Version 223$DoIt= @'4functionfunc_a {5Param($a_module,$a_procedure)6$a_unsafe_native_methods= ([AppDomain]::CurrentDomain.GetAssemblies() | Where-Object {$_.GlobalAssemblyCache-And$_.Location.Split('\\')[-1].Equals('System.dll') }).GetType('Microsoft.Win32.UnsafeNativ...
function Set-Something { [CmdletBinding()] param ( [Parameter()] [string]$Thing ) Write-Host $Thing } A function contains one or more option parameters inside of a parameter block and a body. Language constructs As a scripting language, PowerShell offers several language constructs that control...
If we're to fix this, there should probably be a ScopedProviderBase intermediate class that derives from SessionStateProviderBase and that we consider deriving AliasProvider, FunctionProvider, and VariableProvider from that intermediate class to ensure that scope is persisted for any update operations ...
The following Windows PowerShell cmdlet or cmdlets perform the same function as the preceding procedure. Enter each cmdlet on a single line, even though they may appear word-wrapped across several lines here because of formatting constraints. Copy Set-NetFirewallProfile -Profile Domain,Public,Priva...
This is a function namedGiveMeConnectionSource. It takes the connection string as a parameter. The function attempts to establish a connection to the database using a loop that allows for a maximum of 5 connection attempts. Inside the loop, it tries to open the S...