样式一：

1. 将代码放入 functions.php

一般在主题根目录：网站 /usr/themes/ 主题

修改一下你自己的网站时间

    // 设置时区
    date_default_timezone_set('Asia/Shanghai');

    /**
     * 秒转时间，格式 年 月 日 时 分 秒
     *
     */
    function getBuildTime() {
    
        // 在下面按格式输入本站创建的时间
        $site_create_time = strtotime('2019-06-23 00:00:00');
    
        $time = time() - $site_create_time;

        if (is_numeric($time)) {
    
            $value = array(
                "years" =>
     0, "days" =>
     0, "hours" =>
     0,
                "minutes" =>
     0, "seconds" =>
     0,
            );
    
            if ($time >
= 31556926) {
    
                $value["years"] = floor($time / 31556926);
    
                $time = ($time % 31556926);

            }
    
            if ($time >
= 86400) {
    
                $value["days"] = floor($time / 86400);
    
                $time = ($time % 86400);

            }
    
            if ($time >
= 3600) {
    
                $value["hours"] = floor($time / 3600);
    
                $time = ($time % 3600);

            }
    
            if ($time >
= 60) {
    
                $value["minutes"] = floor($time / 60);
    
                $time = ($time % 60);

            }
    
            $value["seconds"] = floor($time);
    
    
            echo ''.$value['years'].
            '年'.$value['days'].
            '天'.$value['hours'].
            '小时'.$value['minutes'].
            '分';

        }
 else {
    
            echo '';

        }

    }
    

2. 修改 footer.php 在页脚选择合适的位置加入:

?php getBuildTime();
     ?>

样式二：

修改 footer.php 在页脚选择合适的位置加入:

    本站已安全运行:
    
    
    function show_date_time(){
    
    window.setTimeout("show_date_time()", 1000);
    
    BirthDay=new Date("05-06-2016 12:12:24");
    //建站日期
    today=new Date();
    
    timeold=(today.getTime()-BirthDay.getTime());
    
    sectimeold=timeold/1000
    secondsold=Math.floor(sectimeold);
    
    msPerDay=24*60*60*1000
    e_daysold=timeold/msPerDay
    daysold=Math.floor(e_daysold);
    
    e_hrsold=(daysold-e_daysold)*-24;
    
    hrsold=Math.floor(e_hrsold);
    
    e_minsold=(hrsold-e_hrsold)*-60;
    
    minsold=Math.floor((hrsold-e_hrsold)*-60);
    
    seconds=Math.floor((minsold-e_minsold)*-60);
    
    momk.innerHTML=daysold+"天"+hrsold+"小时"+minsold+"分"+seconds+"秒" ;

    }
    
    show_date_time();

    
    
    #momk{
    animation:change 10s infinite;
    font-weight:800;
 }

    @keyframes change{
0%{
    color:#5cb85c;
}
25%{
    color:#556bd8;
}
50%{
    color:#e40707;
}
75%{
    color:#66e616;
}
100% {
    color:#67bd31;
}
}

样式三：

修改 footer.php 在页脚选择合适的位置加入:

    function NewDate(str) {
    
    str = str.split('-');
    
    var date = new Date();
    
    date.setUTCFullYear(str[0], str[1] - 1, str[2]);
    
    date.setUTCHours(0, 0, 0, 0);
    
    return date;

    }

    function momxc() {
    
    var birthDay =NewDate("2016-5-6");
    
    var today=new Date();
    
    var timeold=today.getTime()-birthDay.getTime();
    
    var sectimeold=timeold/1000
    var secondsold=Math.floor(sectimeold);
    
    var msPerDay=24*60*60*1000;
     var e_daysold=timeold/msPerDay;
    
    var daysold=Math.floor(e_daysold);
    
    var e_hrsold=(daysold-e_daysold)*-24;
    
    var hrsold=Math.floor(e_hrsold);
    
    var e_minsold=(hrsold-e_hrsold)*-60;
    
    var minsold=Math.floor((hrsold-e_hrsold)*-60);
     var seconds=Math.floor((minsold-e_minsold)*-60).toString();
    
    document.getElementById("momk").innerHTML = "本站已安全运行"+daysold+"天"+hrsold+"小时"+minsold+"分"+seconds+"秒";
    
    setTimeout(momxc, 1000);

    }
    momxc();

      
    #momk{
    animation:change 10s infinite;
    font-weight:800;
 }

    @keyframes change{
0%{
    color:#5cb85c;
}
25%{
    color:#556bd8;
}
50%{
    color:#e40707;
}
75%{
    color:#66e616;
}
100% {
    color:#67bd31;
}
}
    

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