此方法，不建议压缩，大文件，

一般的小文件压几个还很好用的

<%@ Language=VBScript %>
<% Option Explicit %>
<!--#include file="asptar.asp"-->
<%
Response.Buffer = True
Response.Clear
Dim Co,Temp,T,x,i,fsoBrowse,theFolder,TheSubFolders,FilePath,s,PH,objTar
Co=0
PH="./UpFile" '文件路径 '压缩Upfile下的所有文件
    Set objTar = New Tarball
    objTar.TarFilename="LvBBS_UpdateFile.rar"   '打包的名称
    objTar.Path=PH
    set fsoBrowse=CreateObject("Scripting.FileSystemObject")
    Set theFolder=fsoBrowse.GetFolder(Server.Mappath(PH))
    Set theSubFolders=theFolder.SubFolders
    For Each T in theFolder.Files
       Temp= Temp & T.Name & "|"
       Co=Co+1
    Next
    For Each x In theSubFolders
       For Each i In X.Files
          Temp= Temp &   X.Name&"/"&i.Name&"|"
          Co=Co+1
       Next
    Next
    If Co<1 Then
       Response.Write "暂时没有可更新的文件下载"
    'objTar.AddMemoryFile "Sorry.txt","Not File!"
    Else
       Temp=Left(Temp,Len(Temp)-1)
       FilePath=Split(Temp,"|")
       For s=0 To Ubound(FilePath)
         objTar.AddFile Server.Mappath(PH&"/"&FilePath(s))
       Next
    If Response.IsClientConnected Then
         objTar.WriteTar
         Response.Flush
    End If
    End If
    Set ObjTar = Nothing
    Set fsoBrowse= Nothing
    Set theFolder = Nothing
    Set theSubFolders = Nothing

%>

asptar.asp

<%
' UNIX Tarball creator
' ====================
' Author: Chris Read
' Version: 1.0.1
' ====================
' Homepage: http://users.bigpond.net.au/mrjolly/
'
' This class provides the ability to archive multiple files together into a single
' distributable file called a tarball (The TAR actually stands for Tape ARchive).
' These are common UNIX files which contain uncompressed data.
'
' So what is this useful for? Well, it allows you to effectively combine multiple
' files into a single file for downloading. The TAR files are readable and extractable
' by a wide variety of tools, including the very widely distributed WinZip.
'
' This script can include two types of data in each archive, file data read from a disk,
' and also things direct from memory, like from a string. The archives support files in
' a binary structure, so you can store executable files if you need to, or just store
' text.
'
' This class was developed to assist me with a few projects and has grown with every
' implementation. Currently I use this class to tarball XML data for archival purposes
' which allows me to grab 100's of dynamically created XML files in a single download.
'
' There are a small number of properties and methods, which are outlined in the
' accompanying documentation.
'
Class Tarball
Public TarFilename    ' Resultant tarball filename

Public UserID     ' UNIX user ID
Public UserName     ' UNIX user name
Public GroupID     ' UNIX group ID
Public GroupName    ' UNIX group name

Public Permissions    ' UNIX permissions

Public BlockSize    ' Block byte size for the tarball (default=512)

Public IgnorePaths    ' Ignore any supplied paths for the tarball output
Public BasePath     ' Insert a base path with each file
Public Path

' Storage for file information
Private objFiles,TmpFileName
Private objMemoryFiles

' File list management subs, very basic stuff
Public Sub AddFile(sFilename)
   objFiles.Add sFilename,sFilename
End Sub

Public Sub RemoveFile(sFilename)
   objFiles.Remove sFilename
End Sub

Public Sub AddMemoryFile(sFilename,sContents)
   objMemoryFiles.Add sFilename,sContents
End Sub

Public Sub RemoveMemoryFile(sFilename)
   objMemoryFiles.Remove sFilename
End Sub

' Send the tarball to the browser
Public Sub WriteTar()
   Dim objStream, objInStream, lTemp, aFiles

   Set objStream = Server.CreateObject("ADODB.Stream") ' The main stream
   Set objInStream = Server.CreateObject("ADODB.Stream") ' The input stream for data
  
   objStream.Type = 2
   objStream.Charset = "x-ansi" ' Good old extended ASCII
   objStream.Open

   objInStream.Type = 2
   objInStream.Charset = "x-ansi"

   ' Go through all files stored on disk first
   aFiles = objFiles.Items
  
   For lTemp = 0 to UBound(aFiles)
    objInStream.Open
    objInStream.LoadFromFile aFiles(lTemp)
    objInStream.Position = 0
    'ExportFile aFiles(lTemp),objStream,objInStream
              TmpFileName =replace(aFiles(lTemp),Server.Mappath(Path)&"\","")
     ExportFile TmpFileName,objStream,objInStream
    objInStream.Close
   Next

   ' Now add stuff from memory
   aFiles = objMemoryFiles.Keys
  
   For lTemp = 0 to UBound(aFiles)
    objInStream.Open
    objInStream.WriteText objMemoryFiles.Item(aFiles(lTemp))
    objInStream.Position = 0
    ExportFile aFiles(lTemp),objStream,objInStream
    objInStream.Close
   Next

   objStream.WriteText String(BlockSize,Chr(0))

   ' Rewind the stream
   ' Remember to change the type back to binary, otherwise the write will truncate
   ' past the first zero byte character.
   objStream.Position = 0
   objStream.Type = 1
   ' Set all the browser stuff
   Response.AddHeader "Content-Disposition","filename=" & TarFilename
   Response.ContentType = "application/x-tar"
   Response.BinaryWrite objStream.Read
  
   ' Close it and go home
   objStream.Close
   Set objStream = Nothing
   Set objInStream = Nothing
End Sub

' Build a header for each file and send the file contents
Private Sub ExportFile(sFilename,objOutStream,objInStream)
   Dim lStart, lSum, lTemp
  
   lStart = objOutStream.Position ' Record where we are up to
  
   If IgnorePaths Then
    ' We ignore any paths prefixed to our filenames
    lTemp = InStrRev(sFilename,"\")
    if lTemp <> 0 then
     sFilename = Right(sFilename,Len(sFilename) - lTemp)
    end if
    sFilename = BasePath & sFilename
   End If
  
   ' Build the header, everything is ASCII in octal except for the data
   objOutStream.WriteText Left(sFilename & String(100,Chr(0)),100)
   objOutStream.WriteText "100" & Right("000" & Oct(Permissions),3) & " " & Chr(0) 'File mode
   objOutStream.WriteText Right(String(6," ") & CStr(UserID),6) & " " & Chr(0) 'uid
   objOutStream.WriteText Right(String(6," ") & CStr(GroupID),6) & " " & Chr(0) 'gid
   objOutStream.WriteText Right(String(11,"0") & Oct(objInStream.Size),11) & Chr(0) 'size
   objOutStream.WriteText Right(String(11,"0") & Oct(dateDiff("s","1/1/1970 10:00",now())),11) & Chr(0) 'mtime (Number of seconds since 10am on the 1st January 1970 (10am correct?)
   objOutStream.WriteText "         0" & String(100,Chr(0)) 'chksum, type flag and link name, write out all blanks so that the actual checksum will get calculated correctly
   objOutStream.WriteText "ustar   "   & Chr(0) 'magic and version
   objOutStream.WriteText Left(UserName & String(32,Chr(0)),32) 'uname
   objOutStream.WriteText Left(GroupName & String(32,Chr(0)),32) 'gname
   objOutStream.WriteText "          40 " & String(4,Chr(0)) 'devmajor, devminor
   objOutStream.WriteText String(167,Chr(0)) 'prefix and leader
   objInStream.CopyTo objOutStream ' Send the data to the stream
  
   if (objInStream.Size Mod BlockSize) > 0 then
    objOutStream.WriteText String(BlockSize - (objInStream.Size Mod BlockSize),Chr(0)) 'Padding to the nearest block byte boundary
   end if
  
   ' Calculate the checksum for the header
   lSum = 0  
   objOutStream.Position = lStart
  
   For lTemp = 1 To BlockSize
    lSum = lSum + (Asc(objOutStream.ReadText(1)) And &HFF&)
   Next
  
   ' Insert it
   objOutStream.Position = lStart + 148
   objOutStream.WriteText Right(String(7,"0") & Oct(lSum),7) & Chr(0)
  
   ' Move to the end of the stream
   objOutStream.Position = objOutStream.Size
End Sub

' Start everything off
Private Sub Class_Initialize()
   Set objFiles = Server.CreateObject("Scripting.Dictionary")
   Set objMemoryFiles = Server.CreateObject("Scripting.Dictionary")
  
   BlockSize = 512
   Permissions = 438 ' UNIX 666
  
   UserID = 0
   UserName = "root"
   GroupID = 0
   GroupName = "root"
  
   IgnorePaths = False
   BasePath = ""
  
   TarFilename = "new.tar"
End Sub

Private Sub Class_Terminate()
   Set objMemoryFiles = Nothing
   Set objFiles = Nothing
End Sub
End Class
%>