流箫 的 Blog

兴趣是最好的老师! ----Interest is the best teacher.
  博客园  :: 首页  :: 新随笔  :: 联系 :: 订阅 订阅  :: 管理

JavaScript与Cookie(三) ：显示用户上次访问的时间和次数

Posted on 2009-12-07 10:13  给时光以生命18  阅读(435)  评论(0)    收藏  举报

httml代码：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <title>Untitled Document</title>
    </head>
    <body onload="start()">
    </body>
</html>

 

 

JS代码：

<script language="JavaScript" type="text/javascript">
<!--
    function getCookie(name){
        if(document.cookie.length > 0){
            start = document.cookie.indexOf(name + "=");
            if( start != -1){
                start = start +name.length + 1;
                end = document.cookie.indexOf(";",start);
                if( end  == -1){
                    end = document.cookie.length;
                }
                return decodeURI(document.cookie.substring(start,end));
            }
        }    
        return "";
    }
    
    function setCookie(name, value, expires, path, domain, secure){
        var curcookie = name + "=" +encodeURI(value)
                        + ((expires) ? ";expires=" + expires.toGMTString()  : "")
                        + ((path) ? ";path=" + path : "")
                        + ((domain) ? ";domain=" + domain : "")
                        + ((secure) ? ";secure" : "");
        document.cookie = curcookie;    
    }
    
    function start() {
        var text = "";
        var visitorName = getCookie("VisitorName");
        var lasttime = getCookie("time");
        var isnMonth = new Array("1月","2月","3月","4月","5月","6月","7月","8月","9月","10月","11月","12月");
        var isnDay = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
        var today = new Date();
        var year = today.getYear();
        var day = today.getDate();
        var cookietime = year + "年" + isnMonth[today.getMonth()] + day +"日" + isnDay[today.getDay()];
        today.setTime(today.getTime() + 365*24*60*60*1000);
        setCookie("time",cookietime,today);
        if(visitorName =="") {
            visitorName = prompt("Input your name:");
            setCookie("VisitorName",visitorName,today);
            document.write("Hello,"+ visitorName + "首次光臨本站，請多提寶貴意見");
        }
        else {
            text += "Hello,"+ visitorName + "您是第 " + count() + "次訪問本站,<br>上次訪問時間為:" + lasttime;
            document.write(text);
        }
    }    
    
    function count() {
        var now = new Date();
        now.setTime(now.getTime() + 365*24*60*60*1000);
        var visits = getCookie("counter");
        if( !visits ){
            visits = 1;
        }else {
            visits = parseInt(visits) + 1;
        }
        setCookie("counter",visits,now);
        return visits;
    }
-->
</script>