asp xmlhttp 采集网页内容代码

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Function getHTTPPage(url)
 dim http
 set http=Server.createobject("Microsoft.XMLHTTP")
  Http.open "GET",url,false
  Http.send()
 if Http.readystate<>4 then
  exit function
 end if
 getHTTPPage=bytesToBSTR(Http.responseBody,"GB2312")
 set http=nothing
 if err.number<>0 then err.Clear
End function

Function BytesToBstr(body,Cset)
 dim objstream
 set objstream = Server.CreateObject("adodb.stream")
 objstream.Type = 1
 objstream.Mode =3
 objstream.Open
 objstream.Write body
 objstream.Position = 0
 objstream.Type = 2
 objstream.Charset = Cset
 BytesToBstr = objstream.ReadText
 objstream.Close
 set objstream = nothing
End Function