这是您想做的事情吗?

$contents = Get-Content $PSScriptRoot\urls.txt
foreach($content in $contents){
(Invoke-WebRequest -Uri "$content").Content |Out-File -FilePath $PSScriptRoot\out.txt -Append
}

我用7-8个网址写了一个urls.txt，对我来说效果很好.

I Wrote a urls.txt with 7-8 urls,And it worked fine for me.