本站已稳定运行了XX天，网页时间显示功能实现方法

本站已稳定运行了
<strong><script language="JavaScript" type="text/javascript">
var urodz= new Date("9/25/2015");
var now = new Date();
var ile = now.getTime() - urodz.getTime();
var dni = Math.floor(ile / (1000 * 60 * 60 * 24));
document.write(+dni)
</script>
</strong>天

<script>
var mydate=new Date()
var year=mydate.getYear()
if (year < 1000)
year+=1900
var day=mydate.getDay()
var month=mydate.getMonth()
var daym=mydate.getDate()
if (daym<10)
daym="0"+daym
var dayarray=new Array("星期天","星期一","星期二","星期三","星期四","星期五","星期六")
var montharray=new Array("1","2","3","4","5","6","7","8","9","10","11","12")
document.write(year+"年"+montharray[month]+"月"+daym+"日"+" "+dayarray[day])
</script>

<div id="timetxt"></div>
<script>
    function startTime(){
        var today=new Date();
        var h=today.getHours();
        var m=today.getMinutes();
        var s=today.getSeconds();
        h=checkTime(h);
        m=checkTime(m);
        s=checkTime(s);
        document.getElementById("timetxt").innerHTML=h+"时"+m+"分"+s+"秒";
        t=setTimeout(function(){
            startTime();
        },1000);
    }
    function checkTime(i){
        if(i<10){
            i="0"+i;
        }
        return i;
    }
</script>

然后在header.php的找到,然后在里面加上

如下：
然后保存即可。刷新一下页面，你就会看到效果。

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搞定。

<script language=javascript>
    function siteTime(){
        window.setTimeout("siteTime()", 1000);
        var seconds = 1000;
        var minutes = seconds * 60;
        var hours = minutes * 60;
        var days = hours * 24;
        var years = days * 365;
        var today = new Date();
        var todayYear = today.getFullYear();
        var todayMonth = today.getMonth()+1;
        var todayDate = today.getDate();
        var todayHour = today.getHours();
        var todayMinute = today.getMinutes();
        var todaySecond = today.getSeconds();
        /* Date.UTC() -- 返回date对象距世界标准时间(UTC)1970年1月1日午夜之间的毫秒数(时间戳)
        year - 作为date对象的年份，为4位年份值
        month - 0-11之间的整数，做为date对象的月份
        day - 1-31之间的整数，做为date对象的天数
        hours - 0(午夜24点)-23之间的整数，做为date对象的小时数
        minutes - 0-59之间的整数，做为date对象的分钟数
        seconds - 0-59之间的整数，做为date对象的秒数
        microseconds - 0-999之间的整数，做为date对象的毫秒数 */
        var t1 = Date.UTC(2018,09,16,00,00,00); //北京时间2017-09-16 00:00:00创建网站的时间
        var t2 = Date.UTC(todayYear,todayMonth,todayDate,todayHour,todayMinute,todaySecond);
        var diff = t2-t1;
        var diffYears = Math.floor(diff/years);
        var diffDays = Math.floor((diff/days)-diffYears*365);
        var diffHours = Math.floor((diff-(diffYears*365+diffDays)*days)/hours);
        var diffMinutes = Math.floor((diff-(diffYears*365+diffDays)*days-diffHours*hours)/minutes);
        var diffSeconds = Math.floor((diff-(diffYears*365+diffDays)*days-diffHours*hours-diffMinutes*minutes)/seconds);
        document.getElementById("sitetime").innerHTML=+diffYears+"年"+diffDays+"天"+diffHours+"时"+diffMinutes+"分钟"+diffSeconds+"秒";
    }
    siteTime();
</script>