进度条

Write-Progress -Activity "Test" -PercentComplete 25
Start-Sleep(5)
Write-Progress -Activity "Test" -PercentComplete 50
Start-Sleep(5)
Write-Progress -Activity "Test" -PercentComplete 75
Start-Sleep(5)
Write-Progress -Activity "Test" -PercentComplete 100

#secind example of progress bar
$seconds = 60
1..$seconds |
ForEach-Object { $percent = $_ * 100 / $seconds; 

Write-Progress -Activity Break -Status "$($seconds - $_) seconds remaining..." -PercentComplete $percent; 

Start-Sleep -Seconds 1
}