1. 计算脚本执行时间
$start = Get-Date
Get-HotFix
$end = Get-Date
Write-Host -ForegroundColor Red ('Total Runtime: ' + ($end - $start).TotalSeconds)
$start = Get-Date
Get-HotFix
$end = Get-Date
Write-Host -ForegroundColor Red ('Total Runtime: ' + ($end - $start).TotalSeconds)