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JavaScript與Cookie(三) ：顯示使用者上次訪問的時間和次數

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httml代碼：

<!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代碼：

<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>

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相關關鍵詞：
javascript read cookie value javascript set cookie javascript access cookie javascript check for cookie javascript cookie expires javascript cookie management set cookie javascript example
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