.NET方法[environment]::SetEnvironmentvariable操作可以立刻生效。 下面的例子对当前用户设置环境变量,经测试,重新打开powershell仍然存在 PS> [environment]::SetEnvironmentvariable("Path", ";c:\powershellscript", "User") PS> [environment]::GetEnvironmentvariable("Path", "User") ;c:\powershellscript...
[Environment]::SetEnvironmentVariable('Foo','Bar') [Environment]::GetEnvironmentVariable('Foo') Output复制 Bar 可以通过为变量的值指定空字符串,使用SetEnvironmentVariable()方法删除环境变量。 例如,若要删除环境变量,请执行以下操作Foo: PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','') [E...
PowerShell $Cred=Get-CredentialInvoke-Command$s{Remove-Item.\Test*.ps1-Credential$using:Cred} 範圍using修飾詞是在 PowerShell 3.0 中引進的。 另請參閱 about_Variables about_Environment_Variables about_Functions about_Script_Blocks Start-ThreadJob...
{Write-Error"You must set the following environment variables"Write-Error"to test this script interactively."Write-Host'$Env:BUILD_SOURCESDIRECTORY - For example, enter something like:'Write-Host'$Env:BUILD_SOURCESDIRECTORY = "C:\code\Fabrikam\HelloWorld"'Write-Host'$Env:BUILD_BUILDNUMBER - For...
{Write-Error"You must set the following environment variables"Write-Error"to test this script interactively."Write-Host'$Env:BUILD_SOURCESDIRECTORY - For example, enter something like:'Write-Host'$Env:BUILD_SOURCESDIRECTORY = "C:\code\Fabrikam\HelloWorld"'Write-Host'$Env:BUILD_BUILDNUMBER - For...
Get-Help about_Automatic_variables 1. 2. 3. 查看环境变量: $env:USERNAME ls env:USER* ls env: 1. 2. 3. 添加、更改、删除 当前环境变量(当前会话有效): #添加环境变量(当前会话有效) $env:TestVar="Test variable" #添加路径 $env:TestVar = $env:TestVar + ";F:\KK\" ...
cmd batch launch powershell script and getting environment variables set by powershell script cmdlet won't accept comma separated usernames given from a variable Code certificate not suitable for code signing color the output if service state is stopped Coloring a cell in powershell depending upon ...
$script 脚本变量,只会在脚本内部有效,包括脚本中的函数,一旦脚本运行结束,这个变量就会被回收。 $private 私有变量,只会在当前作用域有效,不能贯穿到其他作用域。 $local 默认变量,可以省略修饰符,在当前作用域有效,其它作用域只对它有只读权限。 控制台中的变量能被函数、脚本访问读取到,但是不能更改 ...
External executable files (including PowerShell script files) Therefore, if you type help, PowerShell first looks for an alias named help, then a function named Help, and finally a cmdlet named Help. It runs the first help item that it finds. For example, if your session contains a cmdlet...
Clear-Host; } else { # We are not running as an administrator, so relaunch as administrator # Create a new process object that starts PowerShell $newProcess = New-Object System.Diagnostics.ProcessStartInfo "PowerShell"; # Specify the current script path and name as a parameter with added sc...