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幻灯片(响应式设计)(jquery实现)

Html代码:

<!DOCTYPE html><html lang="en"><head>	<meta charset="UTF-8">	<title>detail</title>	<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=0">	<link rel="stylesheet" href="http://www.mamicode.com/Style/detail.css">	<script type="text/javascript" src="http://www.mamicode.com/Javascript/jquery.js"></script>	<script type="text/javascript" src="http://www.mamicode.com/Javascript/detail.js"></script>	<script type="text/javascript">		$(document).ready(function(){	  		$.focus(".slider");		});	</script></head><body>	<div class="main">		     <div class="slider">                <ul>                    <li><a href="javascript:void(0);" type=‘0‘>                        <img src="http://img.17u.cn/ly/cn/img/zizhuyou/rimage/500_270/2014/9/11/201409110148547940.jpg" ></a></li>                    <li><a href="javascript:void(0);" type=‘0‘>                        <img src="http://img.17u.cn/ly/cn/img/zizhuyou/rimage/500_270/2014/10/14/201410140439098138.jpg"></a></li>                    <li><a href="javascript:void(0);" type=‘0‘>                        <img src="http://img.17u.cn/ly/cn/img/zizhuyou/rimage/500_270/2014/1/21/201401211150391745.jpg"></a></li>                </ul>            </div>	</div></body></html>

css代码:

*{margin: 0;padding: 0;}ul{ list-style:none;}body {    -webkit-tap-highlight-color: transparent;    -webkit-font-smoothing: antialiased;    -webkit-user-select: none;    -moz-user-select: none;    font-size: 14px;	line-height: 1.5;	color: #333;	font-family: arial,sans-serif;	margin: 0 auto;	max-width: 640px;}.main {    background: #f0f0f0;    width: 100%;}/* 以下特效CSS */.slider {width:100%;  margin:0 auto; overflow:hidden; position:relative;}.slider ul { position:relative;width: 100%;}.slider li:first-child {position: static;}.slider ul li {  overflow:hidden; position:absolute; background:#000; top:0px; width: 100%; }.slider ul li img {border:0;width: 100%;display: block;}.slider ul li div {position:absolute; overflow:hidden;}.slider .btnBg {position:absolute; width:100%; height:20px; left:0; bottom:0; background:#000; display:none;}.slider .btn {position:absolute; width:95%; height:23px; padding:0px 10px 0px 10px; right:0; bottom:6px; text-align:right;}.slider .btn span {display:inline-block; _display:inline; _zoom:1; width:25px; height:24px; line-height:24px; text-align:center; _font-size:0; margin-left:5px; cursor:pointer; background:#fff;}.slider .btn span.on {background:#fff;}

  javascript代码:

$(function() {	jQuery.focus = function(slid) {		var sWidth = $(slid).width(); //获取焦点图的宽度(显示面积)		var len = $(slid).find("ul li").length; //获取焦点图个数		var index = 0;		var picTimer;				//以下代码添加数字按钮和按钮后的半透明条,还有上一页、下一页两个按钮		var btn = "<div class=‘btnBg‘></div><div class=‘btn‘>";		for(var i=0; i < len; i++) {			var ii = i+1;			btn += "<span>"+ii+"</span>";		}		//btn += "</div><div class=‘preNext pre‘></div><div class=‘preNext next‘></div>";		$(slid).append(btn);		$(slid).find("div.btnBg").css("opacity",0.5);			//为小按钮添加鼠标滑入事件,以显示相应的内容		$(slid+" div.btn span").css("opacity",0.4).mouseenter(function() {			index = $(slid+" .btn span").index(this);			showPics(index);		}).eq(0).trigger("mouseenter");			//上一页、下一页按钮透明度处理		$(slid+" .preNext").css("opacity",0.2).hover(function() {			$(this).stop(true,false).animate({"opacity":"0.5"},300);		},function() {			$(this).stop(true,false).animate({"opacity":"0.2"},300);		});			//上一页按钮		/*$(slid+" .pre").click(function() {			index -= 1;			if(index == -1) {index = len - 1;}			showPics(index);		});			//下一页按钮		$(slid+" .next").click(function() {			index += 1;			if(index == len) {index = 0;}			showPics(index);		});*/			//本例为左右滚动,即所有li元素都是在同一排向左浮动,所以这里需要计算出外围ul元素的宽度		//$(slid+" ul").css("width",sWidth * (len));		//$(slid+" ul li").css("width",sWidth);		$(slid+" ul li").each(function(index, el) {			$(this).css("left",index*sWidth);		});				//鼠标滑上焦点图时停止自动播放,滑出时开始自动播放		$(slid).hover(function() {			clearInterval(picTimer);		},function() {			picTimer = setInterval(function() {				showPics(index);				index++;				if(index == len) {index = 0;}			},2000); //此4000代表自动播放的间隔,单位:毫秒		}).trigger("mouseleave");				//显示图片函数,根据接收的index值显示相应的内容		function showPics(index) { //普通切换			var nowLeft = -index*sWidth; //根据index值计算ul元素的left值			$(slid+" ul").stop(true,false).animate({"margin-left":nowLeft},300); //通过animate()调整ul元素滚动到计算出的position			$(slid+" .btn span").removeClass("on").eq(index).addClass("on"); //为当前的按钮切换到选中的效果			$(slid+" .btn span").stop(true,false).animate({"opacity":"0.4"},300).eq(index).stop(true,false).animate({"opacity":"1"},300); //为当前的按钮切换到选中的效果		}		};	});

  

幻灯片(响应式设计)(jquery实现)