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  • 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>
    

      

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