位置：艺考-设计-网页素材-网页教程-用ASP实现多图片上传到指定的目录并存到数据库？

用ASP实现多图片上传到指定的目录并存到数据库？

网页教程

2010-11-08 09:37:21 文/卢蓉蓉

关于图片上传的例子在网上有很多文章和原代码。但是每次上论坛浏览帖子的时候都是看到很多网友对图片上传感到头疼和麻烦。其实这个问题也是曾经让我感到头疼。也看过了不少的文章和代码。现在我写的这篇文章是把我比较喜欢的一篇代码和动网里的高手对这篇代码优化后再加上我增加一些代码结合出来的！呵呵，其实这篇文章是沾了写这篇代码的人(稻香居士)和动网里那些高手的光。:)
好了，不说废话了。开始来搭建所需要的环境和数据结构！

先新建一个名字叫photo的文件夹。(我在这里就是把图片上传到这个文件夹里的。)建立一个名字叫database的数据库。再接着建立一个名字叫sFile的表。表里设计四个字段分别是id(int),image(varchar),image1(varchar),image2(varchar)。我这里用的数据库是SQL。
相关的文件

register.asp
<html>
<head>
<title>文件</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>
<body>
<form name="form1" method="post" action="save.asp">
<table width="50%" border="1" cellspacing="0" cellpadding="0" align="center">
    <tr>
      <td width="20%"><a href="#" OnClick="javascript:window.open('/reg_upload.asp',null,'    left=40%,top=40%,height=250,width=470,status=yes,toolbar=no,menubar=no,resizable=yes,copyhistory=yes,scrollbars=yes,location=no,status=no,titlebar=no')">图片上传</a></td>
      <td width="80%">
        <input type="text" name="myface">

        <input type="text" name="myface1">

        <input type="text" name="myface2">
        (此处用户不必填图片上传后自动生成) </td>
    </tr>
    <tr>
      <td colspan="2" align="center">
        <input type="submit" name="Submit" value="提交">
        <input type="reset" name="Submit2" value="重设">
      </td>
    </tr>
</table>
</form>
</body>
</html>

reg_upload.asp
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<link rel="stylesheet" href="css/style.css" type="text/css">
</head>
<body leftmargin="0" topmargin="0"   >
<br>
<br>
<br>
<table width="90%" border="0" align="center" bgcolor="#000000" height="152" cellspacing="1">
<tr>
    <td height="34" align="center" bgcolor="#FFFFFF"><font color="#FFFF33"><b><font size="4" color="#000000">选择图片</font></b></font></td>
</tr>
<tr>
    <td bgcolor="#FFFFFF">
      <form name="form" method="post" action="upfile.asp" enctype="multipart/form-data" >
        <input type="hidden" name="filepath" value="photo">
        <input type="hidden" name="act" value="upload">
        <input type="file" name="file1" size="30"><br>
         <input type="file" name="file2" size="30"><br>
         <input type="file" name="file3" size="30">

        <input type="submit" name="Submit" value="粘贴" class="tl">
      </form>
    </td>
</tr>
</table>
</body>
</html>

upfile.asp

<html>
<head>
<title>文件上传</title>
</head>
<body>
<%
dim arr(3)
dim upload,file,formName,formPath,iCount,filename,fileExt,i
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&"/"
iCount=0
i=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
        response.write "<font size=2>请先选择你要上传的图片 [ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"
        response.end
    end if

    if file.filesize>100000 then
        response.write "<font size=2>图片大小超过了限制 [ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"
        response.end
    end if
if fileEXT<>".gif" and fileEXT<>".jpg" then
     response.write "<font size=2>文件格式不对 [ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"
    response.end
end if

    fileExt=lcase(right(file.filename,4))
    filename=formPath&year(now)&month(now)&day(now)&hour(now)&minute(now)&second(now)&file.FileName
    arr(i)=filename
    i=i+1

    if file.FileSize>0 then         ''如果 FileSize > 0 说明有文件数据
        file.SaveAs Server.mappath(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
if instr(arr(0),".")=0 and instr(arr(1),".")=0 and instr(arr(2),".")=0 then
response.write "<font size=2>请先选择你要上传的图片 [ <a href=# onclick=history.go(-1)>重新上传</a> ]</font>"
response.end
end if
if instr(arr(0),".")<>0 then
response.write "<script>opener.document.forms[0].myface.value='" & arr(0) & "'</script>"
else
response.write "<script>opener.document.forms[0].myface.value=''</script>"
end if
if instr(arr(1),".")<>0 then
response.write "<script>opener.document.forms[0].myface1.value='" & arr(1) & "'</script>"
else
response.write "<script>opener.document.forms[0].myface1.value=''</script>"
end if
if instr(arr(2),".")<>0 then
response.write "<script>opener.document.forms[0].myface2.value='" & arr(2) & "'</script>"
else
response.write "<script>opener.document.forms[0].myface2.value='' </script>"
end if
set upload=nothing ''删除此对象

session("upface")="done"

Htmend iCount&" 个文件上传结束!"

sub HtmEnd(Msg)
set upload=nothing
response.write "<html><head><meta http-equiv='Refresh' content='3 url=""javascript:window.close();""'></head><body><center><br><br>文件上传成功<br>谢谢你的支持！<br>本窗口三秒后自动关闭</center></body></html>"
response.end
end sub
%>
</body>
</html>
upload.inc
<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>
save.asp
<% dim dsn,conn
dsn="driver={sql server};server=127.0.0.1;uid=sa;pwd=;database=database"
set conn=server.createobject("adodb.connection")
conn.open dsn
%>
<% dim file,file1,file2
file=trim(request.form("myface"))
file1=trim(request.form("myface1"))
file2=trim(request.form("myface2"))
set rs=server.createobject("adodb.recordset")
sql="Insert Into sFile(image,image1,image2) Values('"& file &"','"& file1&"','"& file2&"')"
conn.execute(sql)
response.redirect "ok.asp"
%>

代码多了点。复制以上的代码到你的机器上运行是不是你想要的结果！至于显示图片相信大家都明白了吧！我就不必多说了。值得一提的是此代码不仅可以用于图片上传而是任何格式的文件都可以哦，至于文件大小也可以由你自己来定义哦！还有的就是我只定义了上传三个要是要上传更多的话稍为改下代码就可以了。仔细看代码就知道了是不是觉得很方便和实用。这个只不过是在我解决这个问题的时候用的一种方法而已。

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