$Path = 'E:\新建文件夹'
$Filter = '*.pdf'
$newtext = '滴滴'
$oldtext = '替换'
ls $Path -Include $Filter -Recurse | ForEach-Object{Rename-Item $_.FullName$_.FullName.Replace($oldtext, $newtext)}
$Path = 'E:\新建文件夹'
$Filter = '*.pdf'
$newtext = '滴滴'
$oldtext = '替换'
ls $Path -Include $Filter -Recurse | ForEach-Object{Rename-Item $_.FullName$_.FullName.Replace($oldtext, $newtext)}