談ASP程序實現自動採集程序及入庫

<%
'聲明取得目標信息的函數,通過XML組件進行實現。
Function GetURL(url)
Set Retrieval = CreateObject("Microsoft.XMLHTTP")
With Retrieval
.Open"GET", url, False
.Send
GetURL = bytes2bstr(.responsebody)
'對取得信息進行騐証，如果信息長度小於100則說明截取失敗
if len(.responsebody)<100 then
response.write"獲取遠程文件"&url&" 失敗。"
response.end
end if
End With
Set Retrieval = Nothing
End Function

' 二進制轉字符串，否則會出現亂碼的！
function bytes2bstr(vin)
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

'聲明截取的格式，從Start開始截取，到Last爲結束
Function GetKey(HTML,Start,Last)
filearray=split(HTML,Start)
filearray2=split(filearray(1),Last)
GetKey=filearray2(0)
End Function

Dim Softid,Url,Html,Title
'獲取要取頁麪的ID
SoftId=Request("Id")
Url="http://www3.skycn.com/soft/"&SoftId&".html"
Html = GetURL(Url)
'以截取天空軟件的軟件名爲例子
Title = GetKey(Html,"","")

'打開數據庫,準備入庫
dim connstr,conn,rs,sql
connstr="DBQ=" server.mappath("db1.mdb")";DefaultDir=;DRIVER={Microsoft Access Driver (*.mdb)};"
set conn=server.createobject("ADODB.CONNECTION")
conn.open connstr
set rs=server.createobject("adodb.recordset")
sql="select [列名] from [表名] where [列名]='"&Title&"'"
rs.open sql,conn,3,3
if rs.eof and rs.bof then
rs("列名")=Title
rs.update
set rs=nothing
end if
set rs=nothing
Response.Write"採集完畢!"
%>