效果：
代码：
复制代码代码如下:
<head runat="server">
<title></title>
<script type="text/javascript">
function toDou(n) {
if (n < 10) {
return '0' + n;
}
else {
return '' + n;
}
}
setInterval(
window.onload = function () {
var aImg = document.getElementsByTagName('img');
var oDate = new Date();
var str = toDou(oDate.getHours()) + toDou(oDate.getMinutes()) + toDou(oDate.getSeconds());
for (var i = 0; i < str.length; i++) {
aImg[i].src = 'Images/Number1/' + str[i] + '.jpg';
}
}, 1000);
</script>
</head>
<body style="background-color: Black;">
<div style="text-align: center; line-height: 600px">
<img src="Images/Number1/0.jpg" /><img src="Images/Number1/0.jpg" /><span style="font-size: 77px;
color: White; text-align: center; line-height: 2px;">:</span><img src="Images/Number1/0.jpg" /><img
src="Images/Number1/0.jpg" /><span style="font-size: 77px; color: White;">:</span><img
src="Images/Number1/0.jpg" /><img src="Images/Number1/0.jpg" />
</div>
</body>