<script>
 function secondToDate(second) {
 if (!second) {
 return 0;
 }
 var time = new Array(0, 0, 0, 0, 0);
 if (second >= 365 * 24 * 3600) {
 time[0] = parseInt(second / (365 * 24 * 3600));
 second %= 365 * 24 * 3600;
 }
 if (second >= 24 * 3600) {
 time[1] = parseInt(second / (24 * 3600));
 second %= 24 * 3600;
 }
 if (second >= 3600) {
 time[2] = parseInt(second / 3600);
 second %= 3600;
 }
 if (second >= 60) {
 time[3] = parseInt(second / 60);
 second %= 60;
 }
 if (second > 0) {
 time[4] = second;
 }
 return time;
 }
</script>
<script type="text/javascript" language="javascript">
 function setTime() {
 // 博客创建时间秒数,时间格式中,月比较特殊,是从 0 开始的,所以想要显示 5 月,得写 4 才行,如下
 var create_time = Math.round(new Date(Date.UTC(2017, 10, 01, 0, 0, 0))
 .getTime() / 1000);
 // 当前时间秒数,增加时区的差异
 var timestamp = Math.round((new Date().getTime() + 8 * 60 * 60 * 1000) / 1000);
 currentTime = secondToDate((timestamp - create_time));
 currentTimeHtml = currentTime[0] + '年' + currentTime[1] + '天'
 + currentTime[2] + '时' + currentTime[3] + '分' + currentTime[4]
 + '秒';
 document.getElementById("htmer_time").innerHTML = currentTimeHtml;
 }
 setInterval(setTime, 1000);
</script>
 网站运行:<span id="htmer_time" style="color: red;"></span>

将以上的代码放到网站的 footer 中,然后将最后一行代码插入统计代码当中或网站合适的位置即可