div背景图片切换淡入淡出效果
jq部分:
<script src="js/jquery-1.6.2.min.js" type="text/javascript"></script>
<script type="text/javascript">
var currentIndex = 0;
function changeBg(){
//定义要切换的背景图片,双引号里面,可以放任意多个
var bgImgs = ["0.jpg","1.jpg","2.jpg"];
$('#main1').fadeTo('slow', 0.3, function()
{
if (currentIndex >= bgImgs.length)
currentIndex = 0;
$(this).css('background-image', 'url(images/' + bgImgs[currentIndex] + ')');
}).fadeTo('slow', 1);
currentIndex += 1;
}
setInterval("changeBg()", 5000); //设定定时切换,单位为毫秒,比如:30分钟=1800秒=1800000毫秒
</script>
css部分:
body{font-size:12px; margin:0; padding:0; overflow:hidden; }
#main1{width:1280px; height:912px;}
html部分:
<body>
<div id="main1" style="background:url(images/0.jpg)"></div>
</body>

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