真正的无组件上传，而且也不用数据库（转载）

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增大字体作者：佚名来源：本站整理发布时间：2009-03-16 20:15:07

upload.htm
----------------------------------
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<style type="text/css">

</style>
</head>

<body bgcolor="#FFFFFF" text="#000000">
<form name="form1" method="post" action="upfile.asp" enctype="multipart/form-data" >
  <table border="1" cellspacing="0" cellpadding="0" bordercolorlight="#000000" bordercolordark="#CCCCCC" width="91" height="23">
    <tr>
      <td align="left" valign="middle" height="18" width="18"> </td>
      <td bgcolor="#CCCCCC" align="left" valign="middle" height="18" width="67"> 文件上传</td>
    </tr>
  </table>
  <br>
  <input type="hidden" name="act" value="upload">
  <br>
  <table width="71%" border="1" cellspacing="0" cellpadding="5" align="center" bordercolordark="#CCCCCC" bordercolorlight="#000000">
    <tr bgcolor="#CCCCCC">
      <td height="22" align="left" valign="middle" bgcolor="#CCCCCC"> 化境编程界文件上传</td>
    </tr>
    <tr align="left" valign="middle" bgcolor="#eeeeee">
      <td bgcolor="#eeeeee" height="92">
        <script language="javascript">
  function setid()
  {
  str=''<br>'';
  if(!window.form1.upcount.value)
   window.form1.upcount.value=1;
    for(i=1;i<=window.form1.upcount.value;i++)
     str+=''文件''+i+'':<input type="file" name="file''+i+''" style="width:400" class="tx1"><br><br>'';
  window.upid.innerHTML=str+''<br>'';
  }
  </script>
        <li> 需要上传的个数
          <input type="text" name="upcount" class="tx" value="1">
          <input type="button" name="Button" class="bt" onclick="setid();" value="· 设定 ·">
        </li>
        <br>
        <br>
        <li>上传到:
          <input type="text" name="filepath" class="tx" style="width:350" value="">
        </li>
      </td>
    </tr>
    <tr align="center" valign="middle">
      <td align="left" id="upid" height="122"> 文件1:
        <input type="file" name="file1" style="width:400" class="tx1" value="">
      </td>
    </tr>
    <tr align="center" valign="middle" bgcolor="#eeeeee">
      <td bgcolor="#eeeeee" height="24">
        <input type="submit" name="Submit" value="· 提交 ·" class="bt">
        <input type="reset" name="Submit2" value="· 重执 ·" class="bt">
      </td>
    </tr>
  </table>
</form>
</body>
</html>
<script language="javascript">

setid();
</script>
-------------------------------------
upfile.asp

<%OPTION EXPLICIT%>

<html>
<head>
<title>文件上传</title>
</head>
<body>
<br>化境文件上传!<hr size=1 noshadow width=300 align=left><br><br>
<%
dim upload,file,formName,formPath,iCount
set upload=new upload_5xSoft ''''建立上传对象

response.write upload.Version&"<br><br>"  ''''显示上传类的版本

if upload.form("filepath")="" then   ''''得到上传目录
HtmEnd "请输入要上传至的目录!"
set upload=nothing
response.end
else
formPath=upload.form("filepath")
''''在目录后加(/)
if right(formPath,1)<>"/" then formPath=formPath&"/"
end if

iCount=0
for each formName in upload.file ''''列出所有上传了的文件
set file=upload.file(formName)  ''''生成一个文件对象
if file.FileSize>0 then         ''''如果 FileSize > 0 说明有文件数据
  file.SaveAs Server.mappath(formPath&file.FileName)   ''''保存文件
  response.write file.FilePath&file.FileName&" ("&file.FileSize&") => "&formPath&File.FileName&" 成功!<br>"
  iCount=iCount+1
end if
set file=nothing
next
set upload=nothing  ''''删除此对象
Htmend iCount&" 个文件上传结束!"

sub HtmEnd(Msg)
set upload=nothing
response.write "<br>"&Msg&" [<a href=""javascript:history.back();"">返回</a>]</body></html>"
response.end
end sub
%>
</body>
</html>

-----------------------
upload_5xsoft.inc

<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>

''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
''
''请保留此信息: 稻香老农制作 http://www.5xSoft.com/
''
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

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
Version="化境编程界HTTP上传程序 Version 1.0"
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

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_5xSoft_Stream.position=FileStart-1
    upfile_5xSoft_Stream.copyto dr,FileSize
    dr.SaveToFile FullPath,2
    dr.Close
    set dr=nothing
    SaveAs=0
  end function
End Class
</SCRIPT>

真正的无组件上传，而且也不用数据库（转载）

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