<p>　　看过一篇关于下载网页中图片的文章，它只能下载以http头的图片，我做了些改进，可以下载网页中的所有连接资源，并按照网页中的目录结构建立本地目录，存放资源。</p><p>　　download.asp?url=你要下载的网页</p><p>　　download.asp代码如下：</p><p>　　<code>＜%<br />Server.ScriptTimeout=9999<br />function SaveToFile(from,tofile)<br />on error resume next<br />dim geturl,objStream,imgs<br />geturl=trim(from)<br />Mybyval=getHTTPstr(geturl)<br />Set objStream = Server.CreateObject("ADODB.Stream")<br />objStream.Type =1<br />objStream.Open<br />objstream.write Mybyval<br />objstream.SaveToFile tofile,2<br />objstream.Close()<br />set objstream=nothing<br />if err.number＜＞0 then err.Clear<br />end function<br />function geturlencodel(byval url)'中文文件名转换<br />Dim i,code<br />geturlencodel=""<br />if trim(Url)="" then exit function<br />for i=1 to len(Url)<br />code=Asc(mid(Url,i,1))<br />if code＜0 Then code = code + 65536<br />If code＞255 Then<br />geturlencodel=geturlencodel&"%"&Left(Hex(Code),2)&"%"&Right(Hex(Code),2)<br />else<br />geturlencodel=geturlencodel&mid(Url,i,1)<br />end if<br />next<br />end function<br />function getHTTPPage(url)<br />on error resume next<br />dim http<br />set http=Server.createobject("Msxml2.XMLHTTP")<br />Http.open "GET",url,false<br />Http.send()<br />if Http.readystate＜＞4 then exit function<br />getHTTPPage=bytes2BSTR(Http.responseBody)<br />set http=nothing<br />if err.number＜＞0 then err.Clear<br />end function<br />Function bytes2BSTR(vIn)<br />dim strReturn<br />dim i,ThisCharCode,NextCharCode<br />strReturn = ""<br />For i = 1 To LenB(vIn)<br />ThisCharCode = AscB(MidB(vIn,i,1))<br />If ThisCharCode ＜ &H80 Then<br />strReturn = strReturn & Chr(ThisCharCode)<br />Else<br />NextCharCode = AscB(MidB(vIn,i+1,1))<br />strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))<br />i = i + 1<br />End If<br />Next<br />bytes2BSTR = strReturn<br />End Function<br />function getFileName(byval filename)<br />if instr(filename,"/")＞0 then<br />fileExt_a=split(filename,"/")<br />getFileName=lcase(fileExt_a(ubound(fileExt_a)))<br />if instr(getFileName,"?")＞0 then<br />getFileName=left(getFileName,instr(getFileName,"?")-1)<br />end if<br />else<br />getFileName=filename<br />end if<br />end function<br />function getHTTPstr(url)<br />on error resume next<br />dim http<br />set http=server.createobject("MSXML2.XMLHTTP")<br />Http.open "GET",url,false<br />Http.send()<br />if Http.readystate＜＞4 then exit function<br />getHTTPstr=Http.responseBody<br />set http=nothing<br />if err.number＜＞0 then err.Clear<br />end function<br />Function CreateDIR(ByVal LocalPath) '建立目录的程序，如果有多级目录，则一级一级的创建<br />　On Error Resume Next<br />　LocalPath = Replace(LocalPath, "\\", "/")<br />　Set FileObject = server.CreateObject("Scripting.FileSystemObject")<br />　patharr = Split(LocalPath, "/")<br />　path_level = UBound(patharr)<br />　For I = 0 To path_level<br />　　If I = 0 Then pathtmp = patharr(0) & "/" Else pathtmp = pathtmp & patharr(I) & "/"<br />　　　cpath = Left(pathtmp, Len(pathtmp) - 1)<br />　　If Not FileObject.FolderExists(cpath) Then FileObject.CreateFolder cpath<br />　Next<br />　Set FileObject = Nothing<br />　If Err.Number ＜＞ 0 Then<br />　　CreateDIR = False<br />　　Err.Clear<br />　Else<br />　　CreateDIR = True<br />　End If<br />End Function<br />function GetfileExt(byval filename)<br />　fileExt_a=split(filename,".")<br />　GetfileExt=lcase(fileExt_a(ubound(fileExt_a)))<br />end function<br />function getvirtual(str,path,urlhead)<br />　if left(str,7)="http://" then<br />　　url=str<br />　elseif left(str,1)="/" then<br />　　start=instrRev(str,"/")<br />　　if start=1 then<br />　　　url="/"<br />　　else<br />　　　url=left(str,start)<br />　　end if<br />　　url=urlhead&url<br />　　elseif left(str,3)="../" then<br />　　str1=mid(str,inStrRev(str,"../")+2)<br />　　ar=split(str,"../")<br />　　lv=ubound(ar)+1<br />　　ar=split(path,"/")<br />　　url="/"<br />　　for i=1 to (ubound(ar)-lv)<br />　　　url=url&ar(i)<br />　　next<br />　　url=url&str1<br />　　url=urlhead&url<br />　else<br />　　url=urlhead&str<br />　end if<br />　getvirtual=url<br />end function<br />'示例代码<br />dim dlpath<br />virtual="/downweb/"<br />truepath=server.MapPath(virtual)<br />if request("url")＜＞ "" then<br />　url=request("url")<br />　fn=getFileName(url)<br />　urlhead=left(url,(instr(replace(url,"//",""),"/")+1))<br />　urlpath=replace(left(url,instrRev(url,"/")),urlhead,"")<br />　strContent = getHTTPPage(url)<br />　mystr=strContent<br />　Set objRegExp = New Regexp<br />　objRegExp.IgnoreCase = True<br />　objRegExp.Global = True<br />　objRegExp.Pattern = "(src|href)=.[^\\＞]+? "<br />　Set Matches =objRegExp.Execute(strContent)<br />　For Each Match in Matches<br />　　str=Match.Value<br />　　str=replace(str,"src=","")<br />　　str=replace(str,"href=","")<br />　　str=replace(str,"""","")<br />　str=replace(str,"'","")<br />filename=GetfileName(str)<br />　　getRet=getVirtual(str,urlpath,urlhead)<br />　　temp=Replace(getRet,"//","**")<br />　　start=instr(temp,"/")<br />　　endt=instrRev(temp,"/")-start+1<br />　　if start＞0 then<br />　　　repl=virtual&mid(temp,start)&" "<br />　　　'response.Write repl&"＜br＞"<br />　　　mystr=Replace(mystr,str,repl)<br />　　dir=mid(temp,start,endt)<br />　　temp=truepath&Replace(dir,"/","\\")<br />　　CreateDir(temp)<br />　　'response.Write getRet&"||"&temp&filename&"＜br＞＜br＞"<br />　　SaveToFile getRet,temp&filename<br />　end if<br />Next<br />set Matches=nothing<br />end if<br />%＞</code></p>