asp打包类

调用：

 程序代码
<%
On Error Resume Next
Dim r
Set r = New Rar

r.Add Server.MapPath("a.gIf")
r.Add Server.MapPath("a.txt")
r.Add Server.MapPath("test")
r.Add Server.MapPath("file.asp")
r.packname = Server.MapPath("xxx.dat")
r.Pack
r.rootpath = Server.MapPath("xxx")
r.packname = Server.MapPath("xxx.dat")
r.UnPack

Response.Write(Err.Description)
Set r = Nothing
%>

类代码：

 程序代码

<script Language="Vbscript" Runat="server">
'-----------------------------------------------------
' 描述: Asp打包类
' 作者: 小灰(quxiaohui_0@163.com)
' 链接: http://asp2004.net http://blog.csdn.net/iuhxq http://bbs.asp2004.net
' 版本: 1.0 Beta
' 版权: 本作品可免费使用，但是请勿移除版权信息
'-----------------------------------------------------
Class Rar
Dim files,packname,s,s1,s2,rootpath,fso,f,buf
PRivate Sub Class_Initialize
  Randomize
  Dim ranNum
  ranNum = Int(90000 * Rnd) + 10000
  packname = Year(Now)&Month(Now)&Day(Now)&Hour(Now)&Minute(Now)&Second(Now)&ranNum&".asp2004"

  rootpath = Server.MapPath("./")

  Set files = server.CreateObject("Scripting.Dictionary")
  Set fso = Server.CreateObject("Scripting.FileSystemObject")

  Set s = server.CreateObject("ADODB.Stream"):s.Open:s.Type = 1
  Set s1 = server.CreateObject("ADODB.Stream"):s1.Open:s1.Type = 1
  Set s2 = server.CreateObject("ADODB.Stream"):s2.Open:s2.Type = 2
End Sub

Private Sub Class_Terminate
  s.Close:Set s = Nothing
  s1.Close:Set s1 = Nothing
  s2.Close:Set s2 = Nothing

  Set fso = Nothing
End Sub

Public Sub Add(obj)
  If fso.FileExists(obj) Then
　 Set f = fso.GetFile(obj)
　 files.Add obj,f.Size
  ElseIf fso.FolderExists(obj) Then
　 files.Add obj,-1
　 Set f = fso.GetFolder(obj)
　 Set fc = f.Files
　 For Each f1 in fc
　  Add(LCase(f1.Path))
　 Next
  End If
End Sub
http://www.devdao.com/
Public Sub Pack
  Dim str
  a = files.Keys
  b = files.Items
  for i=0 to files.count-1
　 If b(i)>=0 Then
　  s.LoadFromFile(a(i))
　  buf = s.Read
　  If Not IsNull(buf) Then s1.Write(buf)
　 End If
　 str = str & b(i)&">"&Replace(a(i),rootpath,"")&vbCrLf
  next
  str = CStr(Right("000000000"&len(str),10)) & str
  buf = TextToStream(str)
  s.Position = 0
  s.Write buf
  s1.Position = 0
  s.Write s1.Read
  s.SetEOS
  s.SaveToFile(packname)
End Sub

Public Sub UnPack

  If Not fso.FolderExists(rootpath) Then
　 fso.CreateFolder(rootpath)
  End If
  Dim size
  '转换文件大小
  s.LoadFromFile(packname)
  size = CInt(StreamToText(s.Read(10)))
  str = StreamToText(s.Read(size))
  arr = Split(str,vbCrLf)

  for i=0 to Ubound(arr)-1
　 arrFile = Split(arr(i),">")
　 If arrFile(0) < 0 Then
　  If Not fso.FolderExists(rootpath&arrFile(1)) Then
　　 fso.CreateFolder(rootpath&arrFile(1))
　  End If
　 ElseIf arrFile(0) >= 0 Then
　  If fso.FileExists(rootpath&arrFile(1)) Then
　　 fso.DeleteFile(rootpath&arrFile(1))
　  End If
　  s1.Position = 0
　  buf = s.Read(arrFile(0))
　  If Not IsNull(buf) Then s1.Write(buf)
　  s1.SetEOS
　  s1.SaveToFile(rootpath&arrFile(1))
　 End If
  Next
End Sub

Public Function StreamToText(stream)
  If IsNull(stream) Then
　 StreamToText = ""
  Else
　 Set sm = server.CreateObject("ADODB.Stream"):sm.Open:sm.Type = 1
　 sm.Write(stream)
　 sm.Position = 0
　 sm.Type = 2
　 sm.charset = "gb2312"
　 sm.Position = 0
　 StreamToText = sm.ReadText()
　 sm.Close:Set sm = Nothing
  End If
End Function

Public Function TextToStream(text)
  If text="" Then
　 TextToStream = "" '这里该如何写？空流？
  Else
　 Set sm = server.CreateObject("ADODB.Stream"):sm.Open:sm.Type = 2:sm.charset = "gb2312"
　 sm.WriteText(text)
　 sm.Position = 0
　 sm.Type = 1
　 sm.Position = 0
　 TextToStream = sm.Read
　 sm.Close:Set sm = Nothing
  End If
End Function
End Class
</script>