For Dear 于

$a="C:\temp\"

$b=Get-ChildItem $a -Recurse -Depth 3 -Directory | select -ExpandProperty FullName

$b | % {
$c=$
(Get-Acl $.trim()).Access | select @{Name="Path";E={$c}},IdentityReference,FileSystemRights,AccessControlType
} | Export-Csv "~\ACL.csv"

& "~\ACL.csv"