无组件上传文件(1)

file:upload.asp


<%
' Author Philippe Collignon
' Email PhCollignon@email.com

Sub BuildUploadRequest(RequestBin)
    'Get the boundary
    PosBeg = 1
    PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
    boundary = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
    boundaryPos = InstrB(1,RequestBin,boundary)
    'Get all data inside the boundaries
    Do until (boundaryPos=InstrB(RequestBin,boundary & getByteString("--")))
        'Members variable of objects are put in a dictionary object
        Dim UploadControl
        Set UploadControl = CreateObject("Scripting.Dictionary")
        'Get an object name
        Pos = InstrB(BoundaryPos,RequestBin,getByteString("Content-Disposition"))
        Pos = InstrB(Pos,RequestBin,getByteString("name="))
        PosBeg = Pos+6
        PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(34)))
        Name = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
        PosFile = InstrB(BoundaryPos,RequestBin,getByteString("filename="))
        PosBound = InstrB(PosEnd,RequestBin,boundary)
        'Test if object is of file type
        If  PosFile<>0 AND (PosFile<PosBound) Then
            'Get Filename, content-type and content of file
            PosBeg = PosFile + 10
            PosEnd =  InstrB(PosBeg,RequestBin,getByteString(chr(34)))
            FileName = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
            'Add filename to dictionary object
            UploadControl.Add "FileName", FileName
            Pos = InstrB(PosEnd,RequestBin,getByteString("Content-Type:"))
            PosBeg = Pos+14
            PosEnd = InstrB(PosBeg,RequestBin,getByteString(chr(13)))
            'Add content-type to dictionary object
            ContentType = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
            UploadControl.Add "ContentType",ContentType
            'Get content of object
            PosBeg = PosEnd+4
            PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
            Value = MidB(RequestBin,PosBeg,PosEnd-PosBeg)
            Else
            'Get content of object
            Pos = InstrB(Pos,RequestBin,getByteString(chr(13)))
            PosBeg = Pos+4
            PosEnd = InstrB(PosBeg,RequestBin,boundary)-2
            Value = getString(MidB(RequestBin,PosBeg,PosEnd-PosBeg))
        End If
        'Add content to dictionary object
    UploadControl.Add "Value" , Value    
        'Add dictionary object to main dictionary
    UploadRequest.Add name, UploadControl    
        'Loop to next object
        BoundaryPos=InstrB(BoundaryPos+LenB(boundary),RequestBin,boundary)
    Loop

End Sub

'String to byte string conversion
Function getByteString(StringStr)
For i = 1 to Len(StringStr)
     char = Mid(StringStr,i,1)
    getByteString = getByteString & chrB(AscB(char))
Next
End Function

'Byte string to string conversion
Function getString(StringBin)
getString =""
For intCount = 1 to LenB(StringBin)
    getString = getString & chr(AscB(MidB(StringBin,intCount,1)))
Next
End Function
%>

转自asptoday