在网页中插入时间 自动更新 

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>在网页中插入时间 自动更新</title>
</head>
<body>
<span id="sp_time"></span>
<script type="text/javascript">
setInterval(function(){
	var dd = new Date();
	var y = dd.getFullYear();
	var m = dd.getMonth() + 1;
	var d = dd.getDate();
	var h = dd.getHours();
	var mi = dd.getMinutes();
	var s = dd.getSeconds();
	var str = y + "年" + m + "月" + d + "日&nbsp;&nbsp;" + h + ":" + mi + ":" + s + "&nbsp;&nbsp;星期" + "日一二三四五六".charAt(dd.getDay());
	document.getElementById("sp_time").innerHTML = str;
},1000);
</script>
</body>
</html>


    function show(){
        var dd = new Date();
        var y = dd.getFullYear();
        var m = dd.getMonth() + 1;
        var d = dd.getDate();
        var h = dd.getHours();
        var mi = dd.getMinutes();
        var s = dd.getSeconds();
        var str = y + "年" + m + "月" + d + "日&nbsp;&nbsp;" + h + ":" + mi + ":" + s + "&nbsp;&nbsp;星期" + "日一二三四五六".charAt(dd.getDay());
        document.getElementById("sp_time").innerHTML = str;
    }
    setInterval(show,1000);
时间：<span id="sp_time"></span>
posted @ 2015-11-03 15:19  宝贝企鹅  阅读(510)  评论(0)    收藏  举报