上传图片到服务器如何写代码？

<%
'/~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\'
'\ 建站铺 jzpu.com 2007 7.18 /'
'/ CODE version 4.8 express \'
'\ 请保留信息，以便确认版本区别 /'
'/__________________________________\'
Dim oUpFileStream
Class UpFile_Class

Dim Form, File, Version, Err

Private Sub Class_Initialize
Err = -1
End Sub

Private Sub Class_Terminate
If Err < 0 Then
Form.RemoveAll
Set Form = Nothing
File.RemoveAll
Set File = Nothing
oUpFileStream.Close
Set oUpFileStream = Nothing
End If
End Sub

Public Sub GetData(MaxSize)
' --------------------------------------
' 上传组件开关
' 参数：IsOpenUpLoad，1 = 打开，0 = 关闭
Const IsOpenUpLoad = 1
If IsOpenUpLoad <> 1 Then Exit Sub
' --------------------------------------
Dim RequestBinData, sSpace, bCrLf, sInfo, iInfoStart, iInfoEnd, tStream, iStart, oFileInfo
Dim iFileSize, sFilePath, sFileType, sFormValue, sFileName
Dim iFindStart, iFindEnd
Dim iFormStart, iFormEnd, sFormName

If Request.TotalBytes < 1 Then
Err = 1
Exit Sub
End If
If MaxSize > 0 Then
If Request.TotalBytes > MaxSize Then
Err = 2
'Exit Sub
End If
End If
Set Form = Server.CreateObject("Scripting.Dictionary")
Form.CompareMode = 1
Set File = Server.CreateObject("Scripting.Dictionary")
File.CompareMode = 1
Set tStream = Server.CreateObject("ADODB.Stream")
Set oUpFileStream = Server.CreateObject("ADODB.Stream")
oUpFileStream.Type = 1
oUpFileStream.Mode = 3
oUpFileStream.Open
oUpFileStream.Write Request.BinaryRead(Request.TotalBytes)
oUpFileStream.Position = 0
RequestBinData = oUpFileStream.Read
iFormEnd = oUpFileStream.Size
bCrLf = ChrB(13) & ChrB(10)

sSpace = MidB(RequestBinData,1, InStrB(1,RequestBinData,bCrLf)-1)
iStart = LenB(sSpace)
iFormStart = iStart+2
Do
iInfoEnd = InStrB(iFormStart,RequestBinData,bCrLf & bCrLf)+3
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iFormStart
oUpFileStream.CopyTo tStream,iInfoEnd-iFormStart
tStream.Position = 0
tStream.Type = 2
tStream.CharSet = "utf-8"
sInfo = tStream.ReadText

iFormStart = InStrB(iInfoEnd,RequestBinData,sSpace)-1
iFindStart = InStr(22,sInfo,"name=""",1)+6
iFindEnd = InStr(iFindStart,sInfo,"""",1)
sFormName = Mid(sinfo,iFindStart,iFindEnd-iFindStart)

If InStr(45,sInfo,"filename=""",1) > 0 Then
Set oFileInfo = new FileInfo_Class
iFindStart = InStr(iFindEnd,sInfo,"filename=""",1)+10
iFindEnd = InStr(iFindStart,sInfo,"""",1)
sFileName = Mid(sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileName = Mid(sFileName,InStrRev(sFileName, "\")+1)
oFileInfo.FilePath = Left(sFileName,InStrRev(sFileName, "\"))
oFileInfo.FileExt = Mid(sFileName,InStrRev(sFileName, ".")+1)
iFindStart = InStr(iFindEnd,sInfo,"Content-Type: ",1)+14
iFindEnd = InStr(iFindStart,sInfo,vbCr)
oFileInfo.FileType = Mid(sinfo,iFindStart,iFindEnd-iFindStart)
oFileInfo.FileStart = iInfoEnd
oFileInfo.FileSize = iFormStart -iInfoEnd -2
oFileInfo.FormName = sFormName
file.add sFormName,oFileInfo
else
tStream.Close
tStream.Type = 1
tStream.Mode = 3
tStream.Open
oUpFileStream.Position = iInfoEnd
oUpFileStream.CopyTo tStream,iFormStart-iInfoEnd-2
tStream.Position = 0
tStream.Type = 2
tStream.CharSet = "utf-8"
sFormValue = tStream.ReadText
If Form.Exists(sFormName) Then
Form(sFormName) = Form(sFormName) & ", " & sFormValue
Else
form.Add sFormName,sFormValue
End If
End If
tStream.Close
iFormStart = iFormStart+iStart+2

Loop Until (iFormStart+2) >= iFormEnd
RequestBinData = ""
Set tStream = Nothing
End Sub
End Class

Class FileInfo_Class

Dim FormName, FileName, FilePath, FileSize, FileType, FileStart, FileExt

Public Function SaveToFile(Path)
On Error Resume Next
Dim oFileStream
Set oFileStream = CreateObject("ADODB.Stream")
oFileStream.Type = 1
oFileStream.Mode = 3
oFileStream.Open
oUpFileStream.Position = FileStart
oUpFileStream.CopyTo oFileStream,FileSize
oFileStream.SaveToFile Path,2
oFileStream.Close
Set oFileStream = Nothing
End Function

Public Function FileData
oUpFileStream.Position = FileStart
FileData = oUpFileStream.Read(FileSize)
End Function

End Class
%>

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