PowerShell批量设置PATH环境变量

忘是亡心i 2022-03-07 07:20 699阅读 0赞

# PowerShell批量设置PATH环境变量 #

## Code ##

#requires -version 4.0
    #requires #-runasadministrator
    
    # Get the ID and security principal of the current user account
    $myWindowsID = [System.Security.Principal.WindowsIdentity]::GetCurrent();
    $myWindowsPrincipal = New-Object System.Security.Principal.WindowsPrincipal($myWindowsID);
    
    # Get the security principal for the administrator role
    $adminRole = [System.Security.Principal.WindowsBuiltInRole]::Administrator;
    
    # Check to see if we are currently running as an administrator
    if ($myWindowsPrincipal.IsInRole($adminRole))
    {
        # We are running as an administrator, so change the title and background colour to indicate this
        $Host.UI.RawUI.WindowTitle = $myInvocation.MyCommand.Definition + "(Elevated)";
        $Host.UI.RawUI.BackgroundColor =0;
        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 scope and support for scripts with spaces in it's path
        $newProcess.Arguments = "& '" + $script:MyInvocation.MyCommand.Path + "'"
    
        # Indicate that the process should be elevated
        $newProcess.Verb = "runas";
    
        # Start the new process
        [System.Diagnostics.Process]::Start($newProcess);
    
        # Exit from the current, unelevated, process
        Exit;
    }
    
    
    $file=Get-Content -Path $PSScriptRoot"/env.txt"
    
    $path=$env:Path
    
    $floders=$env:Path.Split(";")
    
    $index=0
    
    foreach($line in $file){
        if($floders.Contains($line)){
            Write-Host $line" already exists in PATH variable!"
        }
        else{
            if($path.Trim().EndsWith(";")){
                $path=$path+$line
            }
            else{
                $path=$path+";"+$line
            }
            [System.Environment]::SetEnvironmentVariable("Path",$path,"Machine")
            $index++
            Write-Host $index ": " "Add "  $line "to PATH variable!"
        }
    }
    
    cmd /c "pause"

## EnvTxt ##

D:\Micro\Android\Sdk\platform-tools
    D:\Program Files\cmder_mini
    D:\MinGW\bin
    D:\cmake\bin
    C:\Program Files\MySQL\MySQL Server 8.0\bin
    D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts
    D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64
    C:\Program Files\Java\jdk-11.0.2\bin
    C:\Program Files\Java\jdk-11.0.2\jre\bin
    D:\Program Files\Git\cmd
    C:\Program Files\Microsoft SQL Server\130\Tools\Binn\
    D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\Scripts\
    D:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\

## 注意事项 ##

1.  EnvTxt 必须为env.txt,且需要与ps脚本位于同一目录下  
    ![img][]

## 使用方法 ##

在ps1脚本文件右键选择`使用 PowerShell 运行`，然后确认UAC提示框即可。  
![img][img 1]

## 运行结果 ##

![img][img 2]

[img]: /images/20220307/bb1fb81ab96142d19147df527c764ab3.png
[img 1]: /images/20220307/dbabf19b6a824c9084f074193bae7421.png
[img 2]: /images/20220307/9428754a7e8c451f99d551d62134c907.png