1、轮播图好几种方法下面先更新第一版jquery轮播图2、利用定位left,比如轮播图整个可视区域500,最外层div设置宽度500px,里面所有图片并列显示比如三张3*500=1500px,第一张left:0px;第二张left:-500px;第三张left:-1000px; 可以利用索引值index*5003、获得索引值比如自动轮播的时候索引初始化0,然后自增一,当轮播到最后一个在初始化为第一张4、关键定时器还有清除定时器
*{margin: 0;padding: 0;}
.move-banner ul,.move-banner ol {list-style: none;}
.move-banner {position: relative;width: 500px;height:286px;overflow: hidden;}
.banner-list {position: relative;width: 1500px;}
.banner-list li {float: left;;}
.banner-list li img {width: 500px;}
.move-banner ol {width: 200px;position: absolute;bottom: 10px;right: 20px;}
.move-banner ol li {width: 40px;height: 40px;border-radius: 40px;background: #000;float: left;margin: 0 10px;text-align: center;color:#fff;line-height: 40px;cursor: pointer}
.move-banner ol li.active {background: red;}
#prev,#next {font-size: 40px;position: absolute;top:100px;text-decoration: none;}
#prev {left:20px;}
#next {right:40px;}
<div id="move" class="move-banner">
<ul id="bannerList" class="banner-list"> <li><a href=""><img src="images/o_p1.jpg"></a></li> <li><a href=""><img src="images/o_p2.jpg"></a></li> <li><a href=""><img src="images/o_p3.jpg"></a></li> </ul> <a href="javascript:;" id="prev"> << </a> <a href="javascript:;" id="next"> >> </a> <ol id="showCur"> <li class="active">1</li> <li>2</li> <li>3</li> </ol></div>
<!-- jquery -->
<script type="text/javascript" src="js/jquery-1.12.3.js"></script> <script> $(document).ready(function(){ var curIndex = 0; var bannerleg = $("#bannerList li").length; // 图片切换函数 function autoPlay(num){ var left=num*500; $("#bannerList").animate({left: "-" + left + "px"},500,"swing"); $("#showCur li").eq(num).addClass("active"); $("#showCur li").eq(num).siblings().removeClass("active");}
// 图片左右按钮点击 $("#next").click(function(){ clearInterval(timer); //右击箭头处理 curIndex = (curIndex < bannerleg-1) ? (++curIndex):0; autoPlay(curIndex); }) $("#prev").click(function(){ clearInterval(timer); //左击箭头处理 curIndex = (curIndex > 0)? (--curIndex): (bannerleg-1); autoPlay(curIndex); }) //自动轮播函数 function startPlay(){ timer = setInterval(function(){ if(curIndex < bannerleg-1){ curIndex++; }else{ curIndex=0; } autoPlay(curIndex); },2000); } //自动轮播 var timer = setInterval(function(){ if(curIndex < bannerleg-1){ curIndex++;}else{
curIndex=0; } autoPlay(curIndex); },2000); //对右下角按钮index进行事件绑定处理等 $("#showCur").find("li").each(function(i,n){ $(this).hover(function(){ clearInterval(timer); autoPlay(i); curIndex = i; },function(){ startPlay() }) });$("#bannerList li").hover(function(){
clearInterval(timer); },function(){ startPlay() })});
</script>