PowerShell添加或修改注册表开机启动项脚本

$name = Read-Host "请输入开机启动项的名字（随便起）"
$value = Read-Host "请输入开机启动项的值"
try{
    New-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name $name -PropertyType String -Value $value -ErrorAction Stop
    $tip = "成功添加开机启动项"+$name+"。"
    Write-Host $tip -ForegroundColor Green
}catch [System.Exception]{
    Write-Host "开机启动项已经存在，无需添加。修改开机启动项值，请按1：" -ForegroundColor Green
    $value = Read-Host
    if($value -eq "1"){
        $new_value = Read-Host "请为启动项赋予新值"
        Set-ItemProperty -Path "HKCU:\Software\Microsoft\Windows\CurrentVersion\Run" -Name $name -Value $new_value
        $tip = "开机启动项"+$name+"的值已经修改，新的值为‘"+$new_value+"’。"
        Write-Host $tip -ForegroundColor Green
    }
}finally{
    Read-Host "按任意键退出"
}