asp文件上傳：文件上傳 源代碼

<!--#include FILE="upload.inc"-->
<%
dim upload,file,formName,formPath,iCount,filename,fileExt
set upload=new upload_5xSoft ''建立上傳對象
formPath="uploadimages/"
 ''在目錄後加(/)
if right(formPath,1)<>"/" then formPath=formPath&"/"
iCount=0
for each formName in upload.file ''列出所有上傳了的文件
 set file=upload.file(formName)  ''生成一個文件對象
 if file.filesize<100 then
  response.write "<font size=3><br>請先選擇你要上傳的圖片　[ <a href=# onclick=history.go(-1)>重新上傳</a> ]</font>"
 response.end
 end if
 
 if file.filesize>1000000 then
  response.write "<font size=3><br>圖片大小超過了限制　[ <a href=# onclick=history.go(-1)>重新上傳</a> ]</font>"
 response.end
 end if

 fileExt=lcase(right(file.filename,4))

 if fileEXT<>".jpg" and fileEXT<>".gif" then
  response.write "<font size=3><br>文件格式只能為jpg和gif格式　[ <a href=# onclick=history.go(-1)>重新上傳</a> ]</font>"
 response.end
 end if
 randomize
 ranNum=int(90000*rnd)+10000
 filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt
 filename1=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&fileExt
 
 if file.FileSize>0 then         ''如果 FileSize > 0 說明有文件數據
 file.SaveAs Server.mappath(filename)   ''保存文件
response.write "<script>parent.form1.img.value='"&FileName1&"'</script>"

  iCount=iCount+1
 end if
 set file=nothing
next
set upload=nothing  ''刪除此對象

 Response.Write "<img src='"&"../UpLoad/UpLoadImages/"&FileName1&"' onload ='DrawImage(this)'>"
 response.end
%>

下面是upload.inc的代碼。

<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
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