ASP截取网页的方法
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
if (RegExpTest("utf",http.ResponseText))=1 Then
getHTTPPage=http.ResponseText
else
Cset="gb2312"
getHTTPPage=Http.ResponseText
End if
set http=nothing
if err.number<>0 then err.Clear
End function
Function RegExpTest(patrn, strng)
Dim regEx, retVal
Set regEx = New RegExp
regEx.Pattern = patrn
regEx.IgnoreCase = False
retVal = regEx.Test(strng)
If retVal Then
RegExpTest = 1
Else
RegExpTest = 0
End If
End Function
Function GetHtml(PageCode,startstr,overstr)
Dim start,over
If InStr(PageCode,startstr) > 0 And InStr(PageCode,overstr) > 0 Then
start=Instr(1,PageCode,startstr,vbBinaryCompare)+len(startstr)
over=Instr(start,PageCode,overstr,vbBinaryCompare)-start
GetHtml=Mid(PageCode,start,over)
Else
GetHtml =0
End If
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
