<Meta charset="UTF-8">

ul,div ol { list-style: none; position: absolute; margin: 0; padding: 0; } div > ul.img-ul,div ol.img-ul { width: 3350px; height: 240px; z-index: 100; } div > ul.img-ul > li,div ol.img-ul > li { float: left; width: 670px; height: 240px; } div > ul.index-ol,div ol.index-ol { width: 205px; bottom: 10px; left: 217px; z-index: 1000; } div > ul.index-ol > li,div ol.index-ol > li { float: left; cursor: pointer; margin-left: 20px; background: #000; color: #fff; border-radius: 50%; height: 20px; width: 20px; text-align: center; line-height: 20px; } div > ul.index-ol > li.active,div ol.index-ol > li.active { background: red; } div > div.slide { z-index: 500; position: absolute; width: 670px; height: 240px; left: 0; top: 0; } div > div.slide > span { cursor: pointer; position: absolute; top: 100px; width: 30px; height: 60px; line-height: 60px; text-align: center; font-size: 20px; color: #fff; background: rgba(0,0.2); } div > div.slide > span:nth-child(1) { left: 0; } div > div.slide > span:nth-child(2) { right: 0; }

li").width(); //670 this.slide(); //这是左右箭头 this.animation_index();//这是下标 this.play(); //这是自动轮播 this.mouse(); //这是鼠标滑入/滑出 },mouse:function(){ var _this=this; $("#banner").on({ mouseenter:function(){ _this.stop() },mouseleave:function(){ _this.play(); } }) },play:function(){ this.interval=setInterval(function(){ var active_index= parseInt($("ol.index-ol>li.active").attr("data-index"));//得到当前激活向下标 $("ol.index-ol>li").removeClass("active"); $(this).addClass("active"); this.animation(1); (active_index==4)&&(active_index=-1); $("ol.index-ol>li:eq("+(active_index+1)+")").addClass("active") }.bind(this),3000); },stop:function(){ clearInterval(this.interval) this.interval=null; },animation_index:function(){//更新下标 var _this=this; $("ol.index-ol>li").mouseenter(function(){//点击下标 var active_index= $("ol.index-ol>li.active").attr("data-index");//得到当前激活向下标 var index=$(this).attr("data-index");//得到当前下标; if(active_index==index){return;}; $("ol.index-ol>li").removeClass("active"); $(this).addClass("active"); var end=index-active_index; _this.animation(-end) }) },slide:function(){//点击左右箭头 var _this=this; $("div.slide>span").click(function(){ if(_this.can){return;}; var active_index= parseInt($("ol.index-ol>li.active").attr("data-index"));//得到当前激活向下标 $("ol.index-ol>li").removeClass("active"); if(this.className=="prev"){ _this.animation(1); (active_index==1)&&(active_index=5); $("ol.index-ol>li:eq("+(active_index-1)+")").addClass("active") }else{ _this.animation(-1); (active_index==4)&&(active_index=-1); $("ol.index-ol>li:eq("+(active_index+1)+")").addClass("active") } }) },view:function(){//更新图片 for(var i=0;i" } $("ul.img-ul").html(this.ul_li); this.ul_li=""; },view_index:function(){//更新数字 for(var i=0;i" } $("ol.index-ol").html(this.ol_li); },animation:function(n){//做动画 this.can=1; if(n<0){ arr=arr.splice(arr.length+n,-n).concat(arr); this.view(); $("ul.img-ul").css({"left":n*this.width+"px"}); $("ul.img-ul").animate({"left":"0px"},1000,function(){ this.can=0; }.bind(this)); }else{ $("ul.img-ul").animate({"left":-n*this.width+"px"},function(){ arr=arr.concat(arr.splice(0,n)); this.view(); $("ul.img-ul").css({"left":0+"px"}); this.can=0; }.bind(this)); } } }; lunbo.init();