我写了以下代码:
cls
function GetFoo() {
function GetBar() {
$bar = "bar"
$bar
}
$foo = "foo"
$bar = GetBar
$foo
$bar
}
$cred = Get-Credential "firmwide\srabhi_adm"
$result = Invoke-Command -Credential $cred -ComputerName localhost
-ScriptBlock ${function:GetFoo}
Write-Host $result[0]
Write-Host $result[1]
虽然有效,但我不想在GetBar
内定义GetFoo
。
我可以这样做吗?
cls
function GetBar() {
$bar = "bar"
$bar
}
function GetFoo() {
$foo = "foo"
$bar = GetBar
$foo
$bar
}
$cred = Get-Credential "firmwide\srabhi_adm"
$result = Invoke-Command -Credential $cred -ComputerName localhost
-ScriptBlock ${function:GetFoo; function:GetBar; call GetFoo}
Write-Host $result[0]
Write-Host $result[1]
基本上我选择性地将我想要的函数放在ScriptBlock中,然后调用其中一个函数。这样我就不必在函数内部定义函数了,我可以通过注入我希望成为该ScriptBlock一部分的函数来构造ScriptBlock。
答案 0 :(得分:1)
我知道这是一个旧线程,但我希望它能对某人有所帮助。
[CmdletBinding()]
param()
$barScriptBlock = {
function GetBar() {
$bar = "bar"
$bar
}
}
$fooScriptBlock = {
function GetFoo() {
$foo = "foo"
$bar = GetBar
$foo
$bar
}
}
# Concatenate all functions into a script block; add a parameter for extra credit.
$scriptBlockString = @"
param(`$hello)
$($barScriptBlock.ToString())
$($fooScriptBlock.ToString())
`$hello
GetFoo
"@
Write-Verbose $scriptBlockString
# Convert combined string to script block.
$finalScriptBlock = [ScriptBlock]::Create($scriptBlockString)
# Run synchronously, passing runtime parameter.
$result = & $finalScriptBlock "Hola"
# (Async results would not be reiably accessed here yet.)
Write-Host $result[0]
Write-Host $result[1]
Write-Host $result[2]
答案 1 :(得分:0)
问题在于Invoke-Command
只能看到ScriptBlock
内的内容,它无法看到外面定义的功能。如果你真的想 - 你可以在一行中运行所有内容,如下所示:
$result = Invoke-Command -ComputerName localhost -ScriptBlock { function GetBar() { $bar = "bar"; $bar }; function GetFoo() { $foo = "foo"; $bar = GetBar; $foo; $bar }; GetFoo }
但我个人会建议您在脚本中保存功能,并使用Invoke-Command
参数调用-FilePath
,如下所示:
$result = Invoke-Command -ComputerName localhost -FilePath "\1.ps1"
答案 2 :(得分:0)
以 Joe Zamora's answer 为基础,这是一个我认为更适合该问题的命令:
$result = Invoke-Command -Credential $cred -ScriptBlock ([ScriptBlock]::Create("${function:GetFoo}; ${function:GetBar}; GetFoo"))
答案 3 :(得分:0)
我最近开始工作了:
function GetBar() {
$bar = "bar"
$bar
}
function GetFoo() {
$foo = "foo"
$bar = GetBar
$foo
$bar
}
$NewScriptBlock = [scriptblock]::Create("function GetBar() { ${function:GetBar} } function GetFoo() { ${function:GetFoo} } GetFoo")
Invoke-Command -ComputerName localhost -ScriptBlock $NewScriptBlock
或者,您可以使用以下方法腾出一行:
Invoke-Command -ComputerName localhost -ScriptBlock ([scriptblock]::Create("function GetBar() { ${function:GetBar} } function GetFoo() { ${function:GetFoo} } GetFoo"))
诀窍是ScriptBlock 类的Create 方法在函数内部添加代码,但没有添加标题和最终括号。你需要自己添加,加上最后的调用。