JS的强大之一：动态实现后台系统时间的显示

z_xiaofei168 · 发表于 2013-2-7 21:08:11

JS的强大之一：动态实现后台系统时间的显示

用js显示当先系统时间是大多数网站都会有的，尤其是在后台，当前时间不可缺少，有了时间管理员可以在管理用户等一些操作的时候，清楚的知道当前的准备时间。最近我们要做一个网站，后台需要显示当前系统时间。我就写了写，以下是具体的代码。

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title>MyHtml.html</title><meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="this is my page"><meta http-equiv="content-type" content="text/html; charset=UTF-8"><SCRIPT type=text/javascript> window.onload = function() {alert("进行测试z_xiaofei168");var clock = new Clock();clock.display(document.getElementById("clock"));}function Clock() {var date = new Date();this.year = date.getFullYear();this.month = date.getMonth() + 1;this.date = date.getDate();this.day = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六")[date.getDay()];this.hour = date.getHours() < 10 ? "0" + date.getHours() : date.getHours();this.minute = date.getMinutes() < 10 ? "0" + date.getMinutes() : date.getMinutes();this.second = date.getSeconds() < 10 ? "0" + date.getSeconds() : date.getSeconds();this.toString = function() {return "现在是:" + this.year + "年" + this.month + "月" + this.date + "日 " + this.hour + ":" + this.minute + ":" + this.second + " " + this.day; };this.toSimpleDate = function() {return this.year + "-" + this.month + "-" + this.date;};this.toDetailDate = function() {return this.year + "-" + this.month + "-" + this.date + " " + this.hour + ":" + this.minute + ":" + this.second;};this.display = function(ele) {var clock = new Clock();ele.innerHTML = clock.toString();window.setTimeout(function() {clock.display(ele);}, 1000);};}</SCRIPT></head><body><span id="clock"></span></body></html>

显示结果如图所示：

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JS的强大之一：动态实现后台系统时间的显示

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