unpack.vbs

Dim rs, ws, fso, conn, stream, connStr, theFolder
Set rs = CreateObject("ADODB.RecordSet")
Set stream = CreateObject("ADODB.Stream")
Set conn = CreateObject("ADODB.Connection")
Set fso = CreateObject("Scripting.FileSystemObject")
connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=HYTop.mdb;"

conn.Open connStr
rs.Open "FileData", conn, 1, 1
stream.Open
stream.Type = 1

On Error Resume Next

Do Until rs.Eof
 theFolder = Left(rs("thePath"), InStrRev(rs("thePath"), "\"))
 If fso.FolderExists(theFolder) = False Then
  createFolder(theFolder)
 End If
 stream.SetEos()
 stream.Write rs("fileContent")
 stream.SaveToFile str & rs("thePath"), 2
 rs.MoveNext
Loop

rs.Close
conn.Close
stream.Close
Set ws = Nothing
Set rs = Nothing
Set stream = Nothing
Set conn = Nothing

Wscript.Echo "所有文件释放完毕!"

Sub createFolder(thePath)
 Dim i
 i = Instr(thePath, "\")
 Do While i > 0
  If fso.FolderExists(Left(thePath, i)) = False Then
   fso.CreateFolder(Left(thePath, i - 1))
  End If
  If InStr(Mid(thePath, i + 1), "\") Then
   i = i + Instr(Mid(thePath, i + 1), "\")
   Else
   i = 0
  End If
 Loop
End Sub

unpack.vbs

原文：http://www.jb51.net/article/205.htm