upload_5xsoft asp无组件文件上传类库

<form method="post" action="save.asp" enctype="multipart/form-data">
名称:<input type="text" name="name" /><input type="submit" value="提交" /><br />
文件:<input type="file" name="file" />
</form>

<!--#include file="upload_5xsoft.asp"-->
<%
set upload=new upload_5xsoft
name=upload.form("name")
response.Write "名称："&name&"<br/>"
set file=upload.file("file")
if file.FileSize<>0 then
  fn=year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&"."&file.FileExt
  response.Write server.MapPath(fn)
  file.saveas server.MapPath(fn)
  response.Write "文件保存成功，<a href='"&fn&"' target='_blank'>点击这里查看文件！</a>"
else
  response.Write "未上传文件"
end if
%>

<%
dim Data_5xsoft
Class upload_5xsoft
 
dim objForm,objFile,Version
'获取表单中的输入项
Public function Form(strForm)
   strForm=lcase(strForm)
   if not objForm.exists(strForm) then
     Form=""
   else
     Form=objForm(strForm)
   end if
 end function
 '获取表单中的文件
Public function File(strFile)
   strFile=lcase(strFile)
   if not objFile.exists(strFile) then
     set File=new FileInfo
   else
     set File=objFile(strFile)
   end if
 end function
Private Sub Class_Initialize
  dim RequestData,sStart,vbCrlf,sInfo,iInfoStart,iInfoEnd,tStream,iStart,theFile
  dim iFileSize,sFilePath,sFileType,sFormValue,sFileName
  dim iFindStart,iFindEnd
  dim iFormStart,iFormEnd,sFormName
  dim dataend,Image,head_height_l,head_height_h
  Version="化境HTTP上传程序 Version 2.0"
  set objForm=Server.CreateObject("Scripting.Dictionary")
  set objFile=Server.CreateObject("Scripting.Dictionary")
  if Request.TotalBytes<1 then Exit Sub
  set tStream = Server.CreateObject("adodb.stream")
  set Data_5xsoft = Server.CreateObject("adodb.stream")
  Data_5xsoft.Type = 1
  Data_5xsoft.Mode =3
  Data_5xsoft.Open
  Data_5xsoft.Write  Request.BinaryRead(Request.TotalBytes)
  Data_5xsoft.Position=0
  RequestData =Data_5xsoft.Read
  iFormStart = 1
  iFormEnd = LenB(RequestData)
  vbCrlf = chrB(13) & chrB(10)
  sStart = MidB(RequestData,1, InStrB(iFormStart,RequestData,vbCrlf)-1)
  iStart = LenB (sStart)
  iFormStart=iFormStart+iStart+1
  while (iFormStart + 10) < iFormEnd
 iInfoEnd = InStrB(iFormStart,RequestData,vbCrlf & vbCrlf)+3
 tStream.Type = 1
 tStream.Mode =3
 tStream.Open
 Data_5xsoft.Position = iFormStart
 Data_5xsoft.CopyTo tStream,iInfoEnd-iFormStart
 tStream.Position = 0
 tStream.Type = 2
 tStream.Charset ="gb2312"
 sInfo = tStream.ReadText
 tStream.Close
 '取得表单项目名称
 iFormStart = InStrB(iInfoEnd,RequestData,sStart)
 iFindStart = InStr(22,sInfo,"name=""",1)+6
 iFindEnd = InStr(iFindStart,sInfo,"""",1)
 sFormName = lcase(Mid (sinfo,iFindStart,iFindEnd-iFindStart))
 '如果是文件
 if InStr (45,sInfo,"filename=""",1) > 0 then
  set theFile=new FileInfo
  '取得图片长宽
  dataend = iformstart-iInfoEnd-1
  Image=midb(sInfo,iInforEnd+1,dataend)
  head_height_l = Ascb( midb( Image,165,1 ) )
  head_height_h = Ascb( midb( Image,164,1 ) )
  head_width_l = Ascb( midb( Image,167,1 ) )
  head_width_h = Ascb( midb( Image,166,1 ) )
  head_width_h = head_width_h * 256
  head_height_h = head_height_h * 256
  jpgwidth= head_width_h + head_width_l
  jpgheight=head_height_h + head_height_l
  '取得文件名
  iFindStart = InStr(iFindEnd,sInfo,"filename=""",1)+10
  iFindEnd = InStr(iFindStart,sInfo,"""",1)
  sFileName = Mid (sinfo,iFindStart,iFindEnd-iFindStart)
  theFile.FileName=getFileName(sFileName)
  theFile.FilePath=getFilePath(sFileName)
 '新增代码获取文件扩展名，不带.
  theFile.FileExt = Mid (sFileName,InStrRev (sFileName, ".")+1)
  '取得文件类型
  iFindStart = InStr(iFindEnd,sInfo,"Content-Type: ",1)+14
  iFindEnd = InStr(iFindStart,sInfo,vbCr)
  theFile.FileType =Mid (sinfo,iFindStart,iFindEnd-iFindStart)
  theFile.FileStart =iInfoEnd
  theFile.FileSize = iFormStart -iInfoEnd -3
  theFile.FormName=sFormName
  if not objFile.Exists(sFormName) then
    objFile.add sFormName,theFile
  end if
 else
 '如果是表单项目
  tStream.Type =1
  tStream.Mode =3
  tStream.Open
  Data_5xsoft.Position = iInfoEnd
  Data_5xsoft.CopyTo tStream,iFormStart-iInfoEnd-3
  tStream.Position = 0
  tStream.Type = 2
  tStream.Charset ="gb2312"
         sFormValue = tStream.ReadText
         tStream.Close
  if objForm.Exists(sFormName) then
    objForm(sFormName)=objForm(sFormName)&", "&sFormValue   
  else
    objForm.Add sFormName,sFormValue
  end if
 end if
 iFormStart=iFormStart+iStart+1
 wend
  RequestData=""
  set tStream =nothing
End Sub
Private Sub Class_Terminate 
 if Request.TotalBytes>0 then
 objForm.RemoveAll
 objFile.RemoveAll
 set objForm=nothing
 set objFile=nothing
 Data_5xsoft.Close
 set Data_5xsoft =nothing
 end if
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
End Class
'文件属性类
Class FileInfo
  dim FormName,FileName,FilePath,FileSize,FileType,FileStart,FileExt
  Private Sub Class_Initialize
    FileName = ""
    FilePath = ""
    FileSize = 0
    FileStart= 0
    FormName = ""
    FileType = ""
    FileExt=""'新增获取文件扩展名称
  End Sub
 
 Public function SaveAs(FullPath)
    dim dr,ErrorChar,i
    SaveAs=true
    if trim(fullpath)="" or FileStart=0 or FileName="" or right(fullpath,1)="/" then exit function
    set dr=CreateObject("Adodb.Stream")
    dr.Mode=3
    dr.Type=1
    dr.Open
    Data_5xsoft.position=FileStart
    Data_5xsoft.copyto dr,FileSize
    dr.SaveToFile FullPath,2
    dr.Close
    set dr=nothing
    SaveAs=false
  end function
  End Class
 %>