很好的上传！无组件！文件上传！包含其他文本字段！文件自动更名！简单易用！


答案：其中部分代码根据化境代码改编！！
upload.htm
<html>

<head>
<meta http-equiv="Content-Language" content="zh-cn">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>New Page 1</title>
<link rel="stylesheet" href=></head>
<script language="javascript">
<!--
function checkform1()
  {

  if (form1.names.value=="")
    {
    alert("请输入名称！")
    form1.names.focus()
    return false
    }
  if (form1.pic.value=="")
    {
    alert("请选择图片！")
    form1.pic.focus()
    return false
    }
  return true
  }

//-->
</script>
<body>

<table border="0" width="100%">
<form name="form1" enctype="multipart/form-data" action="upload.asp" method="post" onsubmit="return checkform1()">
  <tr>
    <td width="100%" colspan="2">
      <p align="center"><b>上传示例</b></td>
  </tr>
  
  <tr>
    <td width="40%" align="right">名称：</td>
    <td width="60%"><input type="text" name="names" size="30" maxlength="20" class="input1"></td>
  </tr>
  <tr>
    <td width="40%" align="right">图样：</td>
    <td width="60%"><input type="file" name="pic" size="30" maxlength="20" class="input1"  onblur="document.all.picview.src=document.all.pic.value"></td>
  </tr>
  
  <tr>
    <td width="40%" align="right">　</td>
    <td width="60%"><input  type="submit" value="   o k   " class="inputbtn"></td>
  </tr>
  <tr>
    <td width="100%" align="center" colspan="2">
    图象预览（选择图片后，点击页面任意处即可进行预览)<br>
    <img id="picview" border="1">
    </td>
    
  </tr>
  </form>
</table>

</body>

</html>


-----upload.asp
<!--#include file="savefile.asp"-->
<%
Set objStream = Server.CreateObject("ADODB.Stream")
  
  objstream.mode=3
  objStream.Type = 1
  objStream.Open
  
  objstream.write Request.BinaryRead(Request.TotalBytes)
  
  names= getvalue("names",true,"")
  
  pic=getvalue("pic",false,"upimg/")
  

objstream.close
response.write("names:"+names)
response.write ("文件已上传!("+pic+")")
%>


-----savefile.asp
<%
  Dim stream1,stream2,istart,iend,filename
  istart=1
  vbEnter=Chr(13)&Chr(10) 

function getvalue(fstr,foro,paths)'fstr为接收的名称，foro布尔false为文件上传,true 为普通字段，path为上传文件存放路径
  if foro then
    getvalue=""
    istart=instring(istart,fstr)

    istart=istart+len(fstr)+5
    iend=instring(istart,vbenter+"-----------------------------")
    if istart>5+len(fstr) then
    getvalue=substring(istart,iend-istart)
   
    else
    getvalue=""
    end if
    else
    istart=instring(istart,fstr)
    istart=istart+len(fstr)+13
    iend=instring(istart,vbenter)-1
    
    filename=substring(istart,iend-istart)
    filename=getfilename(filename)
  
    istart=instring(iend,vbenter+vbenter)+3
    iend=instring(istart,vbenter+"-----------------------------")
    filestart=istart
    filesize=iend-istart-1
    objstream.position=filestart
    Set sf = Server.CreateObject("ADODB.Stream")
    sf.Mode=3 
    sf.Type=1 
    sf.Open 
    objstream.copyto sf,FileSize 
    
    if filename<>"" then
    Set rf = Server.CreateObject("Scripting.FileSystemObject")
    i=0
    fn=filename
    while rf.FileExists(server.mappath(paths+fn))

      fn=cstr(i)+filename
      i=i+1
      wend
    filename=fn
    sf.SaveToFile server.mappath(paths+filename),2
    end if
    getvalue=filename
    end if
  
end function

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


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