动网论坛的无组件上传，
以下是从动网论坛分离出来的代码。
如有更好用的请告诉作者
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saveannounce_upload.asp
上传页
------------------------------------
<html>
<head>
<style type="text/css">
body {font-size:9pt;}
input
{font-size:9pt;}
</style>
<title>文件上传</title>
</head>
<body>
<form name="form" method="post"
action="saveannouce_upfile.asp" enctype="multipart/form-data" >
文件
<input type="file" name="file1" size=10>
<input type="submit"
name="Submit" value="上传">
</form>
</body>
</html>
------------------------------------
saveannouce_upfile.asp 保存文件到服务器
------------------------------------
<!--#include FILE="upload.inc"-->
<html>
<head>
<title>文件上传</title>
</head>
<body>
<%
dim upload,file,formName,formPath
set upload=new
upload_5xSoft ''建立上传对象
formPath=upload.form("filepath") ''在目录后加(/)
if
right(formPath,1)<>"/" then formPath=formPath&"/"
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<100 then
response.write "<font
size=2>请先选择你要上传的文件[ <a href=# onclick=history.go(-1)>重新上传</a>
]</font>"
response.end
end if
if file.filesize>500*1000
then '设置上传文件大小为500K
response.write "<font size=2>文件大小超过了限制 500K[ <a
href=# onclick=history.go(-1)>重新上传</a> ]</font>"
response.end
end if
if file.FileSize>0 then ''如果 FileSize > 0 说明有文件数据
file.SaveAs Server.mappath("updata\"&file.FileName) ''保存文件
end if
set file=nothing
next
set upload=nothing
response.write
"<font size=2>文件上传成功 [ <a href=#
onclick=history.go(-1)>继续上传</a> ]</font>"
%>
</body>
</html>
------------------------------------
upload.inc 建立upload对象
------------------------------------
<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
Version=""
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>