<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>炫酷时钟</title>
<style type="text/css">
body{
height: 100%;color: #51555c;
background: url("./img/bg1.png") no-repeat;
/* 背景图垂直、水平均居中 */
background-position: center center; /* 背景图不平铺 */
background-repeat: no-repeat; /* 当内容高度大于图片高度时，背景图像的位置相对于viewport固定 */
background-attachment: fixed; /* 让背景图基于容器大小伸缩 */
background-size: cover; /* 设置背景颜色，背景图加载过程中会显示背景色 */
background-color: #464646;
}
img{
display: inline-block;
width: 28px;
height: 50px;
margin:0 4px;
}
.main_demo{
width: 910px;
min-height: 600px;
margin:30px auto 0 auto;
}
.main_demo h2{
text-align: center;
padding: 10px;
font-size: 40px;
color: wheat;
}
.clock{
width: 500px;
padding: 40px;
margin:2px auto;
} .clock_right{
text-align: right;
margin:4px;
}
</style>
</head>
<body>
<div class="main_demo">
<div align="center">
<h2>Js 炫酷时钟</h2>
</div>
<div class="clock">
<!--10点-->
<img src="" />
<img src="" />
：
<!--40分-->
<img src="" />
<img src="" />
：
<!--*秒-->
<img src="" />
<img src="" />
<br />
<div class="clock_right">
<!--2017年-->
<img src="" />
<img src="" />
<img src="" />
<img src="" />
：
<!--09月-->
<img src="" />
<img src="" />
：
<!--27日-->
<img src="" />
<img src="" />
</div>
</div>
</div> </body>
<script type="text/javascript">
var imgs = document.getElementsByTagName('img');
setInterval(getTime,1000); function getTime(){
var _date = new Date();
var year = _date.getFullYear();
var month = _date.getMonth()+1;
var day = _date.getDate();
var hour = _date.getHours();
var minutes = _date.getMinutes();
var second = _date.getSeconds();
var newDate = addZero(hour) + "" + addZero(minutes)+ "" + addZero(second)+""+addZero(year) + "" + addZero(month)+ "" + addZero(day)
;
console.log(newDate.length);
for(var i = 0;i < newDate.length;i++){
imgs[i].src = 'img/time_' + newDate[i] + '.png';
}
} getTime(); function addZero(num){
if(num < 10){
num = "0" + num;
}
return num
}
</script>
</html>