Function AutoCreateFolder(strPath) ' As Boolean
 On Error Resume Next

 Dim astrPath, ulngPath, i, strTmpPath
 Dim objFSO

 If InStr(strPath, "\") <=0 or InStr(strPath, ":") <= 0 Then
 AutoCreateFolder = False
 Exit Function
 End If
 Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
 If objFSO.FolderExists(strPath) Then
 AutoCreateFolder = True
 Exit Function
 End If
 astrPath = Split(strPath, "\")
 ulngPath = UBound(astrPath)
 strTmpPath = ""
 For i = 0 To ulngPath
 strTmpPath = strTmpPath & astrPath(i) & "\"
 If Not objFSO.FolderExists(strTmpPath) Then
 ' 创建
 objFSO.CreateFolder(strTmpPath)
 End If
 Next
 Set objFSO = Nothing
 If Err = 0 Then
 AutoCreateFolder = True
 Else
 AutoCreateFolder = False
 End If
End Function

MyPath = "C:\a\b\c\"
If AutoCreateFolder(MyPath) Then
 Response.Write "创建文件夹成功"
Else
 Response.Write "创建文件夹失败"
End If