asp打包类(2)
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>
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