asp编程问题求助？？？急 - 编程论坛

#2

multiple19022008-09-20 17:49

具体情况具体分析

#3

2008-09-20 17:51

检查upload.inc文件里的upload_5xsoft类里的file属性的操作过程。

#4

daidz2008-09-22 08:42

<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>

dim upfile_5xSoft_Stream
Class upload_5xSoft
dim Form,File,Version
Private Sub Class_Initialize
        dim iStart,iFileNameStart,iFileNameEnd,iEnd,vbEnter,iFormStart,iFormEnd,theFile
        dim strDiv,mFormName,mFormValue,mFileName,mFileSize,mFilePath,iDivLen,mStr
        Version=""
        if Request.TotalBytes<1 then Exit Sub
        set Form=CreateObject("Scripting.Dictionary")
        set File=CreateObject("Scripting.Dictionary")
        set upfile_5xSoft_Stream=CreateObject("Adodb.Stream")
        upfile_5xSoft_Stream.mode=3
        upfile_5xSoft_Stream.type=1
        upfile_5xSoft_Stream.open
        upfile_5xSoft_Stream.write Request.BinaryRead(Request.TotalBytes)

        vbEnter=Chr(13)&Chr(10)
        iDivLen=inString(1,vbEnter)+1
        strDiv=subString(1,iDivLen)
        iFormStart=iDivLen
        iFormEnd=inString(iformStart,strDiv)-1
        while iFormStart < iFormEnd
          iStart=inString(iFormStart,"name=""")
          iEnd=inString(iStart+6,"""")
          mFormName=subString(iStart+6,iEnd-iStart-6)
          iFileNameStart=inString(iEnd+1,"filename=""")
          if iFileNameStart>0 and iFileNameStart<iFormEnd then
           iFileNameEnd=inString(iFileNameStart+10,"""")
           mFileName=subString(iFileNameStart+10,iFileNameEnd-iFileNameStart-10)
           iStart=inString(iFileNameEnd+1,vbEnter&vbEnter)
           iEnd=inString(iStart+4,vbEnter&strDiv)
           if iEnd>iStart then
            mFileSize=iEnd-iStart-4
           else
            mFileSize=0
           end if
           set theFile=new FileInfo
           theFile.FileName=getFileName(mFileName)
           theFile.FilePath=getFilePath(mFileName)
           theFile.FileSize=mFileSize
           theFile.FileStart=iStart+4
           theFile.FormName=FormName
           file.add mFormName,theFile
          else
           iStart=inString(iEnd+1,vbEnter&vbEnter)
           iEnd=inString(iStart+4,vbEnter&strDiv)

           if iEnd>iStart then
            mFormValue=subString(iStart+4,iEnd-iStart-4)
           else
            mFormValue=""
           end if
           form.Add mFormName,mFormValue
          end if

          iFormStart=iformEnd+iDivLen
          iFormEnd=inString(iformStart,strDiv)-1
        wend
End Sub

Private Function subString(theStart,theLen)
dim i,c,stemp
upfile_5xSoft_Stream.Position=theStart-1
stemp=""
for i=1 to theLen
   if upfile_5xSoft_Stream.EOS then Exit for
   c=ascB(upfile_5xSoft_Stream.Read(1))
   If c > 127 Then
    if upfile_5xSoft_Stream.EOS then Exit for
    stemp=stemp&Chr(AscW(ChrB(AscB(upfile_5xSoft_Stream.Read(1)))&ChrB(c)))
    i=i+1
   else
    stemp=stemp&Chr(c)
   End If
Next
subString=stemp
End function

Private Function inString(theStart,varStr)
dim i,j,bt,theLen,str
InString=0
Str=toByte(varStr)
theLen=LenB(Str)
for i=theStart to upfile_5xSoft_Stream.Size-theLen
   if i>upfile_5xSoft_Stream.size then exit Function
   upfile_5xSoft_Stream.Position=i-1
   if AscB(upfile_5xSoft_Stream.Read(1))=AscB(midB(Str,1)) then
    InString=i
    for j=2 to theLen
      if upfile_5xSoft_Stream.EOS then
        inString=0
        Exit for
      end if
      if AscB(upfile_5xSoft_Stream.Read(1))<>AscB(MidB(Str,j,1)) then
        InString=0
        Exit For
      end if
    next
    if InString<>0 then Exit Function
   end if
next
End Function

Private Sub Class_Terminate
  form.RemoveAll
  file.RemoveAll
  set form=nothing
  set file=nothing
  upfile_5xSoft_Stream.close
  set upfile_5xSoft_Stream=nothing
End Sub


Private function GetFilePath(FullPath)
  If FullPath <> "" Then
   GetFilePath = left(FullPath,InStrRev(FullPath, "\"))
  Else
   GetFilePath = ""
  End If
End  function

Private function GetFileName(FullPath)
  If FullPath <> "" Then
   GetFileName = mid(FullPath,InStrRev(FullPath, "\")+1)
  Else
   GetFileName = ""
  End If
End  function

Private function toByte(Str)
   dim i,iCode,c,iLow,iHigh
   toByte=""
   For i=1 To Len(Str)
   c=mid(Str,i,1)
   iCode =Asc(c)
   If iCode<0 Then iCode = iCode + 65535
   If iCode>255 Then
     iLow = Left(Hex(Asc(c)),2)
     iHigh =Right(Hex(Asc(c)),2)
     toByte = toByte & chrB("&H"&iLow) & chrB("&H"&iHigh)
   Else
     toByte = toByte & chrB(AscB(c))
   End If
   Next
End function
End Class

Class FileInfo
  dim FormName,FileName,FilePath,FileSize,FileStart
  Private Sub Class_Initialize
    FileName = ""
    FilePath = ""
    FileSize = 0
    FileStart= 0
    FormName = ""
  End Sub

Public function SaveAs(FullPath)
    dim dr,ErrorChar,i
    SaveAs=1
    if trim(fullpath)="" or FileSize=0 or FileStart=0 or FileName="" then exit function
    if FileStart=0 or right(fullpath,1)="/" then exit function
    set dr=CreateObject("Adodb.Stream")
    dr.Mode=3
    dr.Type=1
    dr.Open
    upfile_5xSoft_Stream.position=FileStart-1
    upfile_5xSoft_Stream.copyto dr,FileSize
    dr.SaveToFile FullPath,2
    dr.Close
    set dr=nothing
    SaveAs=0
  end function
End Class
</SCRIPT>
怎么定义呢