<% Const DEVJS_INDEX="index.html" Const INDEX_DEFAULT_INTERVAL=300 Dim sLastUpdate '用Application保存最后更新的时间，而在页面里做判断，每隔300秒(5分钟)就生成一次页面 sLastUpdate=Application("INDEX_LAST_Update") If sLastUpdate="" or DateDiff("s",sLastUpdate,now())>INDEX_DEFAULT_INTERVAL Then '调用MakeIndex()生成页面,同时更改最后更新时间 MakeIndex() sLastUpdate=Now() Application("INDEX_LAST_Update")=sLastUpdate Response.Write "超出默认时间，更新于" & sLastUpdate Else Response.Write "读取静态页面，更新于" & sLastUpdate End If Response.Write LoadTextFile(Server.MapPath(DEVJS_INDEX),"GB2312") Function MakeIndex() sContent="<hr>" & Now() Call SaveTextFile(Server.MapPath(DEVJS_INDEX),"GB2312",sContent) End Function %>

<% Function LoadTextFile(sFilePath,sCharset) Dim oStream Set oStream=Server.CreateObject("ADODB.Stream") oStream.Type=2 oStream.Mode=3 oStream.Open oStream.Charset=sCharset oStream.Position=oStream.Size oStream.LoadFromFile sFilePath LoadTextFile=oStream.ReadText oStream.Close Set oStream=Nothing End Function Function SaveTextFile(sFilePath,sCharset,outString) SaveFile=false Dim oStream Set oStream = Server.CreateObject("ADODB.Stream") oStream.Type=2 oStream.Mode=3 oStream.Open oStream.Charset=sCharset oStream.WriteText = outString oStream.SaveToFile sFilePath,2 oStream.Close Set oStream = Nothing SaveTextFile=true End Function %>