About Environment Variables EnvironmentVariableTarget Enum
saving-changes-to-environment-variables/about Environment Variables - PowerShell | Microsoft Docs setx | Microsoft Learn On Windows, there are three methods for makinga persistent changetoan environment variable: setting them in your profile, (仅限从powershell中使用) using theSetEnvironmentVariablemetho...
[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...
PS C:\> $env:VAR_NAME="VALUE" Print an environment variable to the console: # Windows CMD C:\> echo %VAR_NAME% # Windows PowerShell PS C:\> $env:VAR_NAME Cool Tip:List Windows environment variables and their values!Read More → Set Environment Variable Permanently Run as Administrator...
[System.Environment]::SetEnvironmentVariable("VAR_NAME","value",[System.EnvironmentVariableTarget]::User) 上述命令将VAR_NAME设置为用户级别的环境变量。如果我们想设置系统级别的环境变量(对所有用户都有效),我们需要使用System.EnvironmentVariableTarget]::Machine,并以管理员身份运行 PowerShell。
Learn how to set environment variables using PowerShell with this comprehensive guide, including examples and best practices.
This can be made easier if you first Set-Location (cd) to the Env: Drive cd env: Then to display a variable: Get-ChildItem computername Returning a string value with $env: PowerShell can also address environment variables using the syntax $env:variable-name this had the advantage of retur...
[Environment]::SetEnvironmentVariable("TestVariable","Test value.","Machine") 然后我们根据JDK安装位置设置环境变量。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 $java_home=$install_location $classpath="%JAVA_HOME%\lib;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar"$path="%JAVA_...
[Environment]::SetEnvironmentVariable( "Path", $env:Path + ";F:\KK\", [System.EnvironmentVariableTarget]::Machine ) 1. 2. 3. 4. 5. 6. 变量作用域(全局、当前、私有、脚本): $global 全局变量,在所有的作用域中有效,如果你在脚本或者函数中设置了全局变量,即使脚本和函数都运行结束,这个变量也...
Get-Variable 取得目前控制台中的變數。 New-Variable 建立新變數。 Remove-Variable 刪除變數及其值。 Set-Variable 變更變數的值。 另請參閱 about_Automatic_Variables about_Environment_Variables about_Preference_Variables about_Profiles about_Quoting_Rules about_Remote_Variables about_Scopes在...