jquery渐隐轮播

html

<body>
<div id="banner"> 
<div id="banner_bg"></div><!--标题背景-->
<div id="banner_info"></div><!--标题-->
<ul>
<li class="on">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
</ul>
<div id="banner_list">
<a href="#" target="_blank"><img src="imgs/p1.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a>
<a href="#" target="_blank"><img src="imgs/p5.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a>
<a href="#" target="_blank"><img src="imgs/p3.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a>
<a href="#" target="_blank"><img src="imgs/p4.jpg" title="橡树小屋的blog" alt="橡树小屋的blog"/></a>
</div>
</div>
</body>

css

<style type="text/css">

#banner {position:relative; 478px; height:286px; border:1px solid #666; overflow:hidden;}
#banner_list img {border:0px;}
#banner_bg {position:absolute; bottom:0;background-color:#000;height:30px;filter: Alpha(Opacity=30);opacity:0.3;z-index:1000;
cursor:pointer; 478px;}
#banner_info{position:absolute; bottom:0; left:5px;height:22px;color:#fff;z-index:1001;cursor:pointer}
#banner_text {position:absolute;120px;z-index:1002; right:3px; bottom:3px;}
#banner ul {position:absolute;list-style-type:none;filter: Alpha(Opacity=80);opacity:0.8; border:1px solid #fff;z-index:1002;
margin:0; padding:0; bottom:3px; right:5px;}
#banner ul li { padding:0px 8px;float:left;display:block;color:#FFF;border:#e5eaff 1px solid;background:#6f4f67;cursor:pointer}
#banner ul li.on { background:#900}
#banner_list a{position:absolute;} <!-- 让四张图片都可以重叠在一起-->
</style>

jquery

< script type = "text/javascript" >
	var t = n = 0,
		count;
$(document).ready(function() {
	count = $("#banner_list a").length;
	$("#banner_list a:not(:first-child)").hide();
	$("#banner_info").html($("#banner_list a:first-child").find("img").attr('alt'));
	$("#banner_info").click(function() {
		window.open($("#banner_list a:first-child").attr('href'), "_blank")
	});
	$("#banner li").click(function() {
		var i = $(this).text() - 1; //获取Li元素内的值,即1,2,3,4
		n = i;
		if (i >= count) return;
		$("#banner_info").html($("#banner_list a").eq(i).find("img").attr('alt'));
		$("#banner_info").unbind().click(function() {
			window.open($("#banner_list a").eq(i).attr('href'), "_blank")
		})
		$("#banner_list a").filter(":visible").fadeOut(500).parent().children().eq(i).fadeIn(1000);
		document.getElementById("banner").style.background = "";
		$(this).toggleClass("on");
		$(this).siblings().removeAttr("class");
	});
	t = setInterval("showAuto()", 4000);
	$("#banner").hover(function() {
		clearInterval(t)
	}, function() {
		t = setInterval("showAuto()", 4000);
	});
})

function showAuto() {
	n = n >= (count - 1) ? 0 : ++n;
	$("#banner li").eq(n).trigger('click');
} < /script>

  

原文地址:https://www.cnblogs.com/bestsamcn/p/5054582.html