<%@ LANGUAGE = VBScript.Encode %>
<%
dim upfileStream
Class upload
dim Form,File
Private Sub Class_Initialize 
dim iStart,iFileNameStart,iFileNameEnd,iEnd,vbEnter,iFormStart,iFormEnd,theFile
dim strDiv,mFormName,mFormValue,mFileName,mFileSize,mFilePath,iDivLen,mStr
if Request.TotalBytes<1 then Exit Sub
set Form=CreateObject("Scripting.Dictionary")
set File=CreateObject("Scripting.Dictionary")
set upfileStream=CreateObject("Adodb.Stream")
upfileStream.mode=3
upfileStream.type=1
upfileStream.open
upfileStream.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
 upfileStream.Position=theStart-1
 stemp=""
 for i=1 to theLen
   if upfileStream.EOS then Exit for
   c=ascB(upfileStream.Read(1))
   If c > 127 Then
    if upfileStream.EOS then Exit for
    stemp=stemp&Chr(AscW(ChrB(AscB(upfileStream.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 upfileStream.Size-theLen
   if i>upfileStream.size then exit Function
   upfileStream.Position=i-1
   if AscB(upfileStream.Read(1))=AscB(midB(Str,1)) then
    InString=i
    for j=2 to theLen
      if upfileStream.EOS then 
        inString=0
        Exit for
      end if
      if AscB(upfileStream.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
  upfileStream.close
  set upfileStream=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
    upfileStream.position=FileStart-1
    upfileStream.copyto dr,FileSize
    dr.SaveToFile FullPath,2
    dr.Close
    set dr=nothing 
    SaveAs=0
  end function
End Class
%>

<%
set nowupload=new upload
set file=nowupload.file("file1")
if file.fileSize>0 and file.filesize<3000000 then
    '自動(dòng)生成文件名
    filename=now()
    filename=replace(filename,"-","")
    filename=replace(filename,":","")
    filename=replace(filename," ","")
    usefilename=filename
    filename=filename+"."
    filenameend=file.filename
    filenameend=split(filenameend,".")    
  if filenameend(1)="gif" or filenameend(1)="jpg" then
        filename=filename&filenameend(1)
        file.saveAs Server.mappath("upload/"&filename) 
        if filenameend(1)="gif" then
          session("filename")="upload/"&usefilename&".gif"
        end if
        if filenameend(1)="jpg" then
          session("filename")="upload/"&usefilename&".jpg"
        end if
  else
%>
<table width=500 border="0">
 <form name='pic' method='post' action=upload1.asp enctype='multipart/form-data'>
   <tr>
    <td>
<%
        response.write "文件格式不對(duì)"
        response.write "<a href=uploadpic.asp>返回</a>"
%>
    </td>
   </tr>
  </form> 
</table>
<%
        response.end
    end if
    set file=nothing
else
%>
<table width=500 border="0" bordercolor="#ececec">
 <form name='pic' method='post' action=upload1.asp enctype='multipart/form-data'>
   <tr>
    <td>
<%
    response.write "文件大小超過了限制"
    response.write "<a href=uploadpic.asp>返回</a>"
%>
    </td>
   </tr>
  </form> 
</table>
<%
response.end
end if
set nowupload=nothing
%>
<table width=500 border="0" bordercolor="#ececec">
 <form name='pic' method='post' action=upload1.asp enctype='multipart/form-data'>
   <tr>
    <td>&nbsp;
    </td>
   </tr>
  </form> 
</table>
<script>
img="<%=replace(session("filename"),"upload/","")%>"
img2="../upload/<%=replace(session("filename"),"upload/","")%>"
parent.document.all.form2.photo.value=img
parent.document.all.pic.innerHTML="<img src="+img2+" width=100>"
</script>
<%
session("filename")=""
%>