ASP图片上传代码

-----------------adm_up.asp-----------------

代码如下：

'数据库连接文件
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>管理</title>
<style type="text/css">

</style><script language="javascript">
function checknull()
{
dm=document.form
var filter=/^\s*[a-zA-Z]{1}:(\\).*[\.][jpgJPGifIF]{3}\s*$/;
if (!filter.test(dm.file1.value))
{
alert('请选择您要上传图片,格式只能上传jpg或gif图片！');
dm.file1.focus();
return false;
}
return true;
}
</script>
</head>
<body>
<table width="100%" border="0" align="left" cellpadding="0" cellspacing="0">
<tr>
    <td width="100%" height="26" align="left"><%if session("admupiccnt")="" then%><form action="adm_upc.asp" method="post" enctype="multipart/form-data" name="form" id="form" onsubmit="return checknull()"><input type="hidden" name="act" value="upload" /><input name="file1" type="file" class="wenxints_line" size="32"/><input name="submit" type="submit" value="上传图片" /></form><%else%>
   <input name="Pic" type="text" value="<%=session("admupiccnt")%>" size="38" readonly/>
   <%end if%></td>
</tr>
</table>
</body>
</html>

-----------------adm_upc.asp-----------------

'数据库连接文件
<html><head><meta http-equiv=Content-Type content="text/html;charset=gb2312"><title></title></head><body>
<div id="admheader"></div>
<%
dim upfile_5xSoft_Stream
dim FilePath,FileMaxSize,FileType,fileweb,nameset,pathset,vfname
UpFilePath="../upload/"     '上传文件目录
FileMaxSize=110000    '文件大小100kb
FileType=".jpg.gif"   '文件类型
fileweb=""
nameset =1
function makefilename(fname)
fname = replace(fname,"-","")
fname = replace(fname," ","")
fname = replace(fname,":","")
fname = replace(fname,"PM","")
fname = replace(fname,"AM","")
fname = replace(fname,"上午","")
fname = replace(fname,"下午","")
randomize()
makefilename=fname&(int(RND()*10000))
end function
dim upload,file,formName,iCount,url,UpFilePath,TypeFlag,fname,FileNameStr
set upload=new upload_class
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

if FileType<>"" then '如果限制了上传文件类型
if Instr(FileType,GetExtendName(file.FileName)) then
TypeFlag = 1        '文件为允许的类型
else
TypeFlag = 0   '文件为不允许的类型
   Response.write "不支持您所上传的文件类型："
Response.write GetExtendName(file.FileName)
Response.write "<br>"
end if
else
TypeFlag = 1    '没有限制上传文件类型
end if

if file.FileSize<FileMaxSize then ''如果未超过文件大小限制

if TypeFlag = 1 then
vfname = makefilename(now())
     if nameset = 1 then
fname = vfname & iCount & "." & GetExtendName(file.FileName)
       elseif nameset =2 then
    fname = file.FileName
      elseif nameset = 3 then
   fname = vfname & iCount & file.FileName
   end if
file.SaveAs Server.mappath(UpFilePath&fname)   ''保存文件
iCount=iCount+1
' fileStr = fileStr & "<a href='"& UpFilePath&file.FileName&"' target='_blank'>查看上传的文件：<font color='red'>" & file.FileName &"</font> ("& file.FileSize &" kb)</a><br>"
FileNameStr = UpFilePath&fname
session("admupiccnt")=fname
end if
else
   response.write "<center>文件大小超出限制，您最多可以上传100kb的文件"
   exit for
end if
end if
set file=nothing
next
'----------------------------------------------------------------------------------------------
set upload=nothing ''删除此对象

if iCount=0 then
response.write "<font color=red>错误!</font> <a href='adm_pc.asp'>返回</a>"
response.end
end if

sub HtmEnd(Msg)
set upload=nothing
end sub

function GetExtendName(FileName)
dim ExtName
ExtName = LCase(FileName)
ExtName = right(ExtName,3)
ExtName = right(ExtName,3-Instr(ExtName,"."))
GetExtendName = ExtName
end function

response.write "<script>location.href('adm_pc.asp')</script>"

Class upload_class
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) '获取文件路径
If FullPath <> "" Then
   GetFilePath = left(FullPath,InStrRev(FullPath, "\"))
Else
   GetFilePath = ""
End If
End function
Private function GetFileName(FullPath) '获取文件名
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
%>

另附： 页面中嵌入上传页代码

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