<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<title>钟表</title>
<style type="text/css" id="css">
#clock{200px;height:200px;border:2px solid #333333;margin:100px auto;border-radius:50%;position: relative;
box-shadow: 0 0 10px #FCE300; background:url(1.jpg) no-repeat;background-size: 200px 200px;}
#clock ul{margin: 0;padding: 0;list-style: none;height:200px;position: relative;}
#clock ul li{background: #010101; 2px;height: 6px;position: absolute;left:99px;top:0;
-webkit-transform-origin:center 100px;-moz-transform-origin:center 100px;
-ms-transform-origin:center 100px;-o-transform-origin:center 100px;
transform-origin:center 100px;}
#clock ul li:nth-of-type(5n+1){height:10px;}
#hour{ 6px;height: 35px;background: #f00;position: absolute;left: 97px;top:65px;
-webkit-transform-origin:bottom;-moz-transform-origin:bottom;
-ms-transform-origin:bottom;-o-transform-origin:bottom;
transform-origin:bottom;}
#min{ 4px;height: 55px;background: blue;position: absolute;left: 98px;top:45px;
-webkit-transform-origin:bottom;-moz-transform-origin:bottom;
-ms-transform-origin:bottom;-o-transform-origin:bottom;
transform-origin:bottom;}
#sec{ 2px;height: 80px;background: orange;position: absolute;left: 99px;top:20px;
-webkit-transform-origin:bottom;-moz-transform-origin:bottom;
-ms-transform-origin:bottom;-o-transform-origin:bottom;
transform-origin:bottom;}
.Icon{position: absolute;left: 95px;top:95px; 10px;height: 10px;background:#242424;border-radius: 50%;}
</style>
<script type="text/javascript">
window.onload=function(){
var oCss = document.getElementById("css");
var oClock = document.getElementById("clock");
var oHour = document.getElementById("hour");
var oMin = document.getElementById("min");
var oSec = document.getElementById("sec");
var oUl = oClock.getElementsByTagName('ul')[0];
var aLi = oUl.getElementsByTagName('li');
var str = "";
var sCss = "";
for(var i=0;i<60;i++){
//var oLi = document.createElement('li');
//oUl.appendChild(oLi);
str+="<li></li>";
sCss+="#clock ul li:nth-of-type("+(i+1)+"){-webkit-transform:rotate("+6*i+"deg);-moz-transform:rotate("+6*i+"deg);-ms-transform:rotate("+6*i+"deg);-o-transform:rotate("+6*i+"deg);transform:rotate("+6*i+"deg);}";
}
oUl.innerHTML = str;
oCss.innerHTML += sCss;
setInterval(time,1000);
time();
function time(){
var oDate = new Date();
var aSec = oDate.getSeconds();
var aMin = oDate.getMinutes()+aSec/60;
var aHour = oDate.getHours()+aMin/60;
oHour.style.WebkitTransform = "rotate("+aHour*30+"deg)";
oMin.style.WebkitTransform = "rotate("+aMin*6+"deg)";
oSec.style.WebkitTransform = "rotate("+aSec*6+"deg)";
oHour.style.MozTransform = "rotate("+aHour*30+"deg)";
oMin.style.MozTransform = "rotate("+aMin*6+"deg)";
oSec.style.MozTransform = "rotate("+aSec*6+"deg)";
oHour.style.MsTransform = "rotate("+aHour*30+"deg)";
oMin.style.MsTransform = "rotate("+aMin*6+"deg)";
oSec.style.MsTransform = "rotate("+aSec*6+"deg)";
oHour.style.OTransform = "rotate("+aHour*30+"deg)";
oMin.style.OTransform = "rotate("+aMin*6+"deg)";
oSec.style.OTransform = "rotate("+aSec*6+"deg)";
oHour.style.transform = "rotate("+aHour*30+"deg)";
oMin.style.transform = "rotate("+aMin*6+"deg)";
oSec.style.transform = "rotate("+aSec*6+"deg)";
}
}
</script>
</head>
<body>
<div id="clock">
<ul>
</ul>
<div id="hour"></div>
<div id="min"></div>
<div id="sec"></div>
<div class="Icon"></div>
</div>
</body>
</html>
效果: