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ASP 中的 一次性下载远程页面上的所有内容
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-10-12 浏览: 103 ::
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一次性下载远程页面上的所有内容
使用方法,将上面的代码保存为一个比如:downfile.asp
在浏览器上输入:
http://你的地址/downfile.asp?url=http://www.baidu.com/index.html
| <% '设置超时的时间 Server.ScriptTimeout=9999 '############## '文件保存函数 '############# function SaveToFile(from,tofile) on error resume next dim geturl,objStream,imgs geturl=trim(from) Mybyval=getHTTPstr(geturl) Set objStream = Server.CreateObject("ADODB.Stream") objStream.Type =1 objStream.Open objstream.write Mybyval objstream.SaveToFile tofile,2 objstream.Close() set objstream=nothing if err.number<>0 then err.Clear end function '############## '字符处理替换 '############# function geturlencodel(byval url)'中文文件名转换 Dim i,code geturlencodel="" if trim(Url)="" then exit function for i=1 to len(Url) code=Asc(mid(Url,i,1)) if code<0 Then code = code + 65536 If code>255 Then geturlencodel=geturlencodel&"%"&Left(Hex(Code),2)&"%"&Right(Hex(Code),2) else geturlencodel=geturlencodel&mid(Url,i,1) end if next end function '############## 'XML获取远程页面开始 '############# function getHTTPPage(url) on error resume next dim http set http=Server.createobject("Msxml2.XMLHTTP") Http.open "GET",url,false Http.send() if Http.readystate<>4 then exit function getHTTPPage=bytes2BSTR(Http.responseBody) set http=nothing if err.number<>0 then err.Clear end function Function bytes2BSTR(vIn) dim strReturn dim i,ThisCharCode,NextCharCode strReturn = "" For i = 1 To LenB(vIn) ThisCharCode = AscB(MidB(vIn,i,1)) If ThisCharCode < &H80 Then strReturn = strReturn & Chr(ThisCharCode) Else NextCharCode = AscB(MidB(vIn,i+1,1)) strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode)) i = i + 1 End If Next bytes2BSTR = strReturn End Function '############## 'XML获取远程页面结束,这段是小偷程序都通用的部分 '############# '############## '分解地址,取得文件名 '############# function getFileName(byval filename) if instr(filename,"/")>0 then fileExt_a=split(filename,"/") getFileName=lcase(fileExt_a(ubound(fileExt_a))) if instr(getFileName,"?")>0 then getFileName=left(getFileName,instr(getFileName,"?")-1) end if else getFileName=filename end if end function '############## '获取远程页面函数 '############# function getHTTPstr(url) on error resume next dim http set http=server.createobject("MSXML2.XMLHTTP") Http.open "GET",url,false Http.send() if Http.readystate<>4 then exit function getHTTPstr=Http.responseBody set http=nothing if err.number<>0 then err.Clear end function '############## 'FSO处理函数,创建目录 '############# 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 On Error Resume Next LocalPath = Replace(LocalPath, "\", "/") Set FileObject = server.CreateObject("Scripting.FileSystemObject") patharr = Split(LocalPath, "/") path_level = UBound(patharr) For I = 0 To path_level If I = 0 Then pathtmp = patharr(0) & "/" Else pathtmp = pathtmp & patharr(I) & "/" cpath = Left(pathtmp, Len(pathtmp) - 1) If Not FileObject.FolderExists(cpath) Then FileObject.CreateFolder cpath Next Set FileObject = Nothing If Err.Number <> 0 Then CreateDIR = False Err.Clear Else CreateDIR = True End If End Function function GetfileExt(byval filename) fileExt_a=split(filename,".") GetfileExt=lcase(fileExt_a(ubound(fileExt_a))) end function '############## '如何获取虚拟的路径 '############# function getvirtual(str,path,urlhead) if left(str,7)="http://" then url=str elseif left(str,1)="/" then start=instrRev(str,"/") if start=1 then url="/" else url=left(str,start) end if url=urlhead&url elseif left(str,3)="../" then str1=mid(str,inStrRev(str,"../")+2) ar=split(str,"../") lv=ubound(ar)+1 ar=split(path,"/") url="/" for i=1 to (ubound(ar)-lv) url=url&ar(i) next url=url&str1 url=urlhead&url else url=urlhead&str end if getvirtual=url end function |
'示例代码
| dim dlpath '建立一个文件夹,以便存放这些获取的数据 virtual="/downweb/" truepath=server.MapPath(virtual) if request("url")<> "" then url=request("url") fn=getFileName(url) urlhead=left(url,(instr(replace(url,"//",""),"/")+1)) urlpath=replace(left(url,instrRev(url,"/")),urlhead,"") strContent = getHTTPPage(url) mystr=strContent Set objRegExp = New Regexp objRegExp.IgnoreCase = True objRegExp.Global = True objRegExp.Pattern = "(src|href)=.[^\>]+? " Set Matches =objRegExp.Execute(strContent) For Each Match in Matches str=Match.Value str=replace(str,"src=","") str=replace(str,"href=","") str=replace(str,"""","") str=replace(str,"'","") filename=GetfileName(str) getRet=getVirtual(str,urlpath,urlhead) temp=Replace(getRet,"//","**") start=instr(temp,"/") endt=instrRev(temp,"/")-start+1 if start>0 then repl=virtual&mid(temp,start)&" " 'response.Write repl&"<br>" mystr=Replace(mystr,str,repl) dir=mid(temp,start,endt) temp=truepath&Replace(dir,"/","\") CreateDir(temp) response.Write getRet&"||"&temp&filename&"<br>" response.Write "成功取得"&filename&"这个文件<br>" response.Write "并将"&filename&"保存在"&temp&"<br><br>" response.Write "<HR>" SaveToFile getRet,temp&filename end if Next set Matches=nothing end if %> |
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