VBS教程：方法-GetParentFolderName 方法

Function GetTheParent(DriveSpec) 
Dim fso
Set fso = CreateObject("Scripting.FileSystemObject")
GetTheParent = fso.GetParentFolderName(Drivespec)
End Function

CreateFolders "d:\ftptest\1\2\3\4\5" 

Function CreateFolders(path)
 Set fso = CreateObject("scripting.filesystemobject")
 CreateFolderEx fso,path
 set fso = Nothing
End Function

Function CreateFolderEx(fso,path)
 If fso.FolderExists(path) Then 
 Exit Function
 End If
 If Not fso.FolderExists(fso.GetParentFolderName(path)) Then
 CreateFolderEx fso,fso.GetParentFolderName(path)
 End If
 fso.CreateFolder(path)
End Function