一次性下載遠(yuǎn)程頁面上的所有內(nèi)容

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一次性下載遠(yuǎn)程頁面上的所有內(nèi)容
使用方法,將上面的代碼保存為一個(gè)比如:downfile.asp
在瀏覽器上輸入:
http://你的地址/downfile.asp?url=http://www.baidu.com/index.html

<%
"設(shè)置超時(shí)的時(shí)間
Server.ScriptTimeout=9999
"##############
"文件保存函數(shù)
"#############
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
"##############
"字符處理替換
"#############
function geturlencodel(byval url)"中文文件名轉(zhuǎn)換
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獲取遠(yuǎn)程頁面開始
"#############
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獲取遠(yuǎn)程頁面結(jié)束,這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
"##############
"獲取遠(yuǎn)程頁面函數(shù)
"#############
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處理函數(shù),創(chuàng)建目錄
"#############
Function CreateDIR(ByVal LocalPath) "建立目錄的程序，如果有多級目錄，則一級一級的創(chuàng)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
"##############
"如何獲取虛擬的路徑
"#############
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

"示例代碼

dim dlpath
"建立一個(gè)文件夾,以便存放這些獲取的數(shù)據(jù)
virtual="/downweb/"
truepath=server.MapPath(virtual)
if request("url")<> "" then
url=request("url")
fn=getFileName(url)
urlhead=left(url,(instr(replace(url,"http://",""),"/")+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,"http://","**")
start=instr(temp,"/")
endt=instrRev(temp,"/")-start+1
if start>0 then
repl=virtual&mid(temp,start)&" "
"response.Write repl&" "
mystr=Replace(mystr,str,repl)
dir=mid(temp,start,endt)
temp=truepath&Replace(dir,"/","")
CreateDir(temp)
response.Write getRet&"||"&temp&filename&" "
response.Write "成功取得"&filename&"這個(gè)文件 "
response.Write "并將"&filename&"保存在"&temp&" "
response.Write "<HR>"
SaveToFile getRet,temp&filename
end if
Next
set Matches=nothing
end if
%>

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一次性下載遠(yuǎn)程頁面上的所有內(nèi)容

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