<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<%
'讀取遠(yuǎn)程文件的函數(shù)
Public Function readRemoteFile(RemoteDataUrl)
    Dim XMLHttp
    'On Error Resume Next
    Set XMLHttp = Server.CreateObject("Microsoft.XMLHTTP")
        With XMLHttp
            .Open "Get", RemoteDataUrl, False
            .Send
            readRemoteFile = BytesToBstr(.responseBody, "UTF-8")
        End With
    Set XMLHttp = Nothing   
End Function
'編碼轉(zhuǎn)換
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

Function tobody()
    Dim dateVal
                '先試圖訪問(wèn)緩存，看有沒(méi)有，或者過(guò)期沒(méi)有
    dateVal = Application("defaultdate")
    If dateVal = "" Then dateVal = DateAdd("s",1200,Now)
    If Application("default") <> "" Then
        If DateDiff("s", Now, dateVal) > 0 Then
                                                '如果有，就從緩存讀取，對(duì)服務(wù)器來(lái)說(shuō)，就是從內(nèi)存讀取
            tobody = Application("default")&"<!--new cache"&dateVal&"-->"
            Exit Function
        End If
    End If
    Dim body
                '如果緩存沒(méi)有，則從遠(yuǎn)程讀取，并寫入緩存，設(shè)置緩存時(shí)間。
    body = readRemoteFile("http://www.aoaob.com/default.asp")
    tobody = body&"<!--made cache"&Now&"-->"
    Application.Lock
    Application("default") = body
    Application("defaultdate") = DateAdd("s",1200,Now)
    Application.UnLock
End Function
Response.Write(tobody())
%>