<%OPTION EXPLICIT%>
<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>
dim upfile_yuzi_Stream
Class upload_yuzi
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.Cookies("userid")="" then
error2("來源錯誤！")
end if

if request.totalbytes>31000 then
error2("圖片大小不得超過 30 K\n當(dāng)前的圖片大小為 "&int(request.totalbytes/1024)&" K")
end if

if Request.TotalBytes<1 then Exit Sub
set Form=CreateObject("Scripting.Dictionary")
set File=CreateObject("Scripting.Dictionary")
set upfile_yuzi_Stream=CreateObject("Adodb.Stream")
upfile_yuzi_Stream.mode=3
upfile_yuzi_Stream.type=1
upfile_yuzi_Stream.open
upfile_yuzi_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.FileSize=mFileSize
theFile.FileStart=iStart+4
file.add mFormName,theFile
end if

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

Private Function subString(theStart,theLen)
dim i,c,stemp
upfile_yuzi_Stream.Position=theStart-1
stemp=""
for i=1 to theLen
if upfile_yuzi_Stream.EOS then Exit for
c=ascB(upfile_yuzi_Stream.Read(1))
If c > 127 Then
if upfile_yuzi_Stream.EOS then Exit for
stemp=stemp&Chr(AscW(ChrB(AscB(upfile_yuzi_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_yuzi_Stream.Size-theLen
if i>upfile_yuzi_Stream.size then exit Function
upfile_yuzi_Stream.Position=i-1
if AscB(upfile_yuzi_Stream.Read(1))=AscB(midB(Str,1)) then
InString=i
for j=2 to theLen
if upfile_yuzi_Stream.EOS then
inString=0
Exit for
end if
if AscB(upfile_yuzi_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 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_yuzi_Stream.position=FileStart-1
upfile_yuzi_Stream.copyto dr,FileSize
dr.SaveToFile FullPath,2
dr.Close
set dr=nothing
SaveAs=0
end function

End Class
</SCRIPT>








<%
dim upload,file,formName,formPath,iCount,houzhui
set upload=new upload_yuzi
for each formName in upload.file
set file=upload.file(formName)

houzhui=LCase(""&file.FileName&"")
if instr(houzhui,".gif") = 0 and instr(houzhui,".jpg") = 0 and instr(houzhui,".jpeg") = 0 then
error2("文件格式錯誤！")
end if

file.SaveAs Server.mappath("images/upphoto/"&Request.Cookies("userid")&".jpg")
set file=nothing
next
set upload=nothing


response.redirect "upphoto.asp?menu=up"

sub error2(message)
%>
<script>alert('<%=message%>');history.back();</script><script>window.close();</script>
<%
response.end
end sub
%>