<!--已稳定时间--> <span id="sitetime"></span> <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(); var t1 = Date.UTC(2020,07,07,13,00,00);//运行开始的时间,我填的是2020-07-07 13:00:00 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=" 已稳定运行"+/*diffYears+" 年 "+*/diffDays+" 天 "+diffHours+" 小时 "+diffMinutes+" 分钟 "+diffSeconds+" 秒"; } siteTime(); </script>