Question

有一个名为PowerShell的{{1}}脚本使iTunes快进30秒：

itunesForward.ps1

使用提示行命令执行：

$iTunes = New-Object -ComObject iTunes.Application

if ($iTunes.playerstate -eq 1)
{
  $iTunes.PlayerPosition = $iTunes.PlayerPosition + 30
}

是否可以从命令行传递参数并将其应用于脚本而不是硬编码的30秒值？

Answer 1

经过测试：

param([Int32]$step=30) #Must be the first statement in your script

$iTunes = New-Object -ComObject iTunes.Application

if ($iTunes.playerstate -eq 1)
{
  $iTunes.PlayerPosition = $iTunes.PlayerPosition + $step
}

用

调用它

powershell.exe -file itunesForward.ps1 -step 15

Answer 2

你也可以使用$args变量（就像位置参数一样）：

$step=$args[0]

$iTunes = New-Object -ComObject iTunes.Application

if ($iTunes.playerstate -eq 1)
{
  $iTunes.PlayerPosition = $iTunes.PlayerPosition + $step
}

然后它可以像：

一样调用

powershell.exe -file itunersforward.ps1 15

Answer 3

从批处理文件（* .bat）或CMD调用脚本

Powershell Core

pwsh.exe -NoLogo -ExecutionPolicy Bypass -Command "./Script.ps1 -Param1 Hello -Param2 World"

pwsh.exe -NoLogo -ExecutionPolicy Bypass -Command "path-to-script/Script.ps1 -Param1 Hello -Param2 World"

Powershell

powershell.exe -NoLogo -ExecutionPolicy Bypass -Command "./Script.ps1 -Param1 Hello -Param2 World"

powershell.exe -NoLogo -ExecutionPolicy Bypass -Command "path-to-script/Script.ps1 -Param1 Hello -Param2 World"

从Powershell拨打电话

Powershell Core或Windows Powershell

& path-to-script/Script.ps1 -Param1 Hello -Param2 World
& ./Script.ps1 -Param1 Hello -Param2 World

Script.ps1-脚本代码

param(
    [Parameter(Mandatory=$True, Position=0, ValueFromPipeline=$false)]
    [System.String]
    $Param1,

    [Parameter(Mandatory=$True, Position=1, ValueFromPipeline=$false)]
    [System.String]
    $Param2
)

Write-Host $Param1
Write-Host $Param2

Answer 4

让Powershell分析并确定数据类型
内部为此使用“变体” ...
通常做得很好...

param( $x )
$iTunes = New-Object -ComObject iTunes.Application
if ( $iTunes.playerstate -eq 1 ) 
    { $iTunes.PlayerPosition = $iTunes.PlayerPosition + $x }

或者如果您需要传递多个参数

param( $x1, $x2 )
$iTunes = New-Object -ComObject iTunes.Application
if ( $iTunes.playerstate -eq 1 ) 
    { 
    $iTunes.PlayerPosition = $iTunes.PlayerPosition + $x1 
    $iTunes.<AnyProperty>  = $x2
    }

Answer 5

使用文件中的以下代码创建powershell脚本。

param([string]$path)
Get-ChildItem $path | Where-Object {$_.LinkType -eq 'SymbolicLink'} | select name, target

这将创建一个带有path参数的脚本。它将列出提供的路径中的所有符号链接以及符号链接的指定目标。

Answer 6

# ENTRY POINT MAIN()
Param(
    [Parameter(Mandatory=$True)]
    [String] $site,
    [Parameter(Mandatory=$True)]
    [String] $application,
    [Parameter(Mandatory=$True)]
    [String] $dir,
    [Parameter(Mandatory=$True)]
    [String] $applicationPool
)

# Create Web IIS Application
function ValidateWebSite ([String] $webSiteName)
{
    $iisWebSite = Get-Website -Name $webSiteName
    if($Null -eq $iisWebSite)
    {
        Write-Error -Message "Error: Web Site Name: $($webSiteName) not exists."  -Category ObjectNotFound
    }
    else
    {
        return 1
    }
}

# Get full path from IIS WebSite
function GetWebSiteDir ([String] $webSiteName)
{
    $iisWebSite = Get-Website -Name $webSiteName
    if($Null -eq $iisWebSite)
    {
        Write-Error -Message "Error: Web Site Name: $($webSiteName) not exists."  -Category ObjectNotFound
    }
    else
    {
        return $iisWebSite.PhysicalPath
    }
}

# Create Directory
function CreateDirectory([string]$fullPath)
{
    $existEvaluation = Test-Path $fullPath -PathType Any
    if($existEvaluation -eq $false)
    {
        new-item $fullPath -itemtype directory
    }
    return 1
}

function CreateApplicationWeb
{
    Param(
        [String] $WebSite,
        [String] $WebSitePath,
        [String] $application,
        [String] $applicationPath,
        [String] $applicationPool
        )
    $fullDir = "$($WebSitePath)\$($applicationPath)"
    CreateDirectory($fullDir)
    New-WebApplication -Site $WebSite -Name $application -PhysicalPath $fullDir -ApplicationPool $applicationPool -Force
}

$fullWebSiteDir = GetWebSiteDir($Site)f($null -ne $fullWebSiteDir)
{
    CreateApplicationWeb -WebSite $Site -WebSitePath $fullWebSiteDir -application $application  -applicationPath $dir -applicationPool $applicationPool
}

Answer 7

还可以直接在PowerShell命令行中定义变量，然后执行脚本。该变量也将在此处定义。这在无法修改签名脚本的情况下对我有帮助。

示例：

 PS C:\temp> $stepsize = 30
 PS C:\temp> .\itunesForward.ps1

使用iTunesForward.ps1

$iTunes = New-Object -ComObject iTunes.Application

if ($iTunes.playerstate -eq 1)
{
  $iTunes.PlayerPosition = $iTunes.PlayerPosition + $stepsize
}

如何将参数传递给PowerShell脚本？

7 个答案: