<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<title>auto play</title>
<script type="text/javascript" src="../jquery-1.8.0.min.js" /></script>
<script type="text/javascript">
//數(shù)組的第一項(xiàng)為時(shí)長，其他項(xiàng)可自定義
data = [["3","a"],["2","b"],["3","c"],["2","d"],["1",""]];
$(document).ready(function(){
//設(shè)置觸發(fā)事件
autoPlay.run = function(obj,num){
back(obj,num);
};
autoPlay();
});
function back(obj,num){
$("#div_show").html(obj[num][1]);
}
function autoPlay(){
//初始化計(jì)數(shù)參數(shù)
if(autoPlay.num ==undefined)
autoPlay.num = 0;
//初始化時(shí)間點(diǎn)
if(autoPlay.timepoint ==undefined)
autoPlay.timepoint = new Date().getTime();
if(autoPlay.num<data.length){
//函數(shù)句柄，data 數(shù)組，autoPlay.num當(dāng)前下標(biāo)
autoPlay.run(data,autoPlay.num);
//按照元素時(shí)間長度播放數(shù)組
if(new Date().getTime()>autoPlay.timepoint){
//判斷是否為第一次執(zhí)行
if(autoPlay.first==undefined)
autoPlay.first = true;
else
autoPlay.num++;
//設(shè)置下一次播放的時(shí)間點(diǎn)
autoPlay.timepoint += (data[autoPlay.num][0]*1000);
}
setTimeout("autoPlay()",500);
}
}
$.extend({autoPlay:function(){
var defaults = {inteval:500};
}});
</script>
</head>
<body>
<div id="div_show"></div>
</body>
</html>
