On Error Resume Next
Dim objFSO,sourcepath,targetpath

Function GetZipFile(path)
Dim file,folder,sfolder,subfolder,files
If Not objFSO.FolderExists(path) Then
Msgbox "目標文件夾不存在！"
Else
objFSO.CreateFolder targetpath & Right(path,Len(path)-Len(sourcepath))
Set folder=objFSO.GetFolder(path)
Set files=folder.files
For Each file in files
If StrComp(objFSO.GetExtensionName(file.name),"zip",vbTextCompare)=0 Then
objShell.NameSpace(targetpath & Right(path,Len(path)-Len(sourcepath))).CopyHere objShell.NameSpace(path & "\" & file.name).Items(),256
End If
Next
Set subfolder=folder.subfolders
For Each sfolder in subfolder
GetZipFile path & "\" & sfolder.name
Next
End If
End Function

Set objFSO=Server.CreateObject("Scripting.FileSystemObject")
Set oApp=CreateObject("Shell.Application")
sourcepath="C:\zipfiles"
targetpath="D:\tmp\" & objFSO.GetFileName(sourcepath)
GetZipFile sourcepath
Set objFSO=Nothing
Set oApp=Nothing