<span id="sitetime"></span> //js 调用
<script> 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(); var t1 = Date.UTC(2017,11,11,16,16,16); //此处是开始时间,北京时间 2017-11-11 16:16:16 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=" 已运行 "+diffYears+" 年 "+diffDays+" 天 "+diffHours+" 小时 "+diffMinutes+" 分钟 "+diffSeconds+" 秒"; } siteTime(); </script>
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