古典的HTML5钟表效果 - 站长资源库

答案：<!DOCTYPE>
<html lang="en" id="paulrhayes-com" class="js wf-swingdancer1swingdancer2-n5-active wf-active">
<head>  
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>HTML5钟表</title>
<!--[if lt IE 9]><script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script><![endif]-->     
<style type="text/css">
body.experiment {
background: #fff;
}
.start {
text-align: center;
font-size: 2em;
font-weight: bold;
margin: 5em;
}
#clock {
position: relative;
width: 378px;
height: 378px;
background-image: url('/jscss/demoimg/201208/2012031316573623.png');
left: 50%;
margin: 5em 0 0 -189px;
}

#clock div {
position: absolute;
}

#clock img[src*='second'] {
-webkit-transition: -webkit-transform 600000s linear;
-moz-transition: -moz-transform 600000s linear;
-o-transition: -o-transform 600000s linear;
-ms-transition: -ms-transform 600000s linear;
transition: transform 600000s linear;
}

#clock:target img[src*='second'] {
-webkit-transform: rotate(3600000deg);
-moz-transform: rotate(3600000deg);
-o-transform: rotate(3600000deg);
-ms-transform: rotate(3600000deg);
-transform: rotate(3600000deg);
}

#clock img[src*='minute'] {
-webkit-transition: -webkit-transform 360000s linear;
-moz-transition: -moz-transform 360000s linear;
-o-transition: -o-transform 360000s linear;
-ms-transition: -ms-transform 360000s linear;
transition: transform 360000s linear;
}

#clock:target img[src*='minute'] {
-webkit-transform: rotate(36000deg);
-moz-transform: rotate(36000deg);
-o-transform: rotate(36000deg);
-ms-transform: rotate(36000deg);
transform: rotate(36000deg);
}

#clock img[src*='hour'] {
-webkit-transition: -webkit-transform 216000s linear;
-moz-transition: -moz-transform 216000s linear;
-o-transition: -o-transform 216000s linear;
-ms-transition: -ms-transform 216000s linear;
transition: transform 216000s linear;
}

#clock:target img[src*='hour'] {
-webkit-transform: rotate(360deg);
-moz-transform: rotate(360deg);
-o-transform: rotate(360deg);
-ms-transform: rotate(360deg);
transform: rotate(360deg);
}
</style>
</head>
<body class="experiment">
<div id="wrapper">
    <header id="header">
        <aside class="tweetThis">
            <a href="#" class="twitter-share-button" data-text="CSS3 Analogue Clock" data-count="horizontal" data-via="fofr">滴水成兵</a>
        </aside>
    </header>
<div id="experiment">
    <div id="clock">
        <div id="hour"><img src="/jscss/demoimg/201208/2012031317105412.png" alt=""></div>
        <div id="minute"><img src="/jscss/demoimg/201208/2012031317113418.png" alt=""></div>
        <div id="second"><img src="/jscss/demoimg/201208/2012031317114532.png" alt=""></div>
    </div>
</div>
</div>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
    var props = 'transform WebkitTransform MozTransform OTransform msTransform'.split(' '),
        prop,
        el = document.createElement('div');
    for(var i = 0, l = props.length; i < l; i++) {
        if(typeof el.style[props[i]] !== "undefined") {
            prop = props[i];
            break;
        }
    }
    startClock();
    setInterval(function(){startClock();},1000)
    function startClock() {
        var angle = 360/60,
            date = new Date(),
            hour = (function() {
                var h = date.getHours();
                if(h > 12) {
                    h = h - 12;
                }
                return h
            })(),
            minute = date.getMinutes(),
            second = date.getSeconds(),
            hourAngle = (360/12) * hour + (360/(12*60)) * minute;
        
        if(prop) {
            $('#minute')[0].style[prop] = 'rotate('+angle * minute+'deg)';
            $('#second')[0].style[prop] = 'rotate('+angle * second+'deg)';
            $('#hour')[0].style[prop] = 'rotate('+hourAngle+'deg)';
        }
    }
    document.title = date
});
</script>
</body>
</html>
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