效果图
slider.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>slider</title> <link rel="stylesheet" href="../css/base.css"> <link rel="stylesheet" href="../css/slider.css"> </head> <body> <div class="slider"> <div class="slider-img slide-fade"> <a href="#" class="slider-img-item"><img src="../img/focus-slider/1.png"></a> <a href="#" class="slider-img-item"><img src="../img/focus-slider/2.png"></a> <a href="#" class="slider-img-item"><img src="../img/focus-slider/3.png"></a> <a href="#" class="slider-img-item"><img src="../img/focus-slider/4.png"></a> </div> <ol class="slider-tip"> <li class="slider-tip-item text-hidden fl">1</li> <li class="slider-tip-item text-hidden fl">2</li> <li class="slider-tip-item text-hidden fl">3</li> <li class="slider-tip-item text-hidden fl">4</li> </ol> <a href="javascript:;" class="slider-arrow slider-arrow-left"><</a> <a href="javascript:;" class="slider-arrow slider-arrow-right">></a> </div> <script src="../js/jquery.js"></script> <script src="../js/transition.js"></script> <script src="../js/showhide.js"></script> <script src="../js/slider.js"></script> <script> //传入自定义参数 $(".slider").Slider({ css3:true, js:true, animation:"fade", activeIdx:0,//从哪张开始轮播 interval:1000//300毫秒的速度轮播 }); //接收消息，实现按需加载（幻灯片接收消息，父元素实现事件代理） $(".slider-img").on("slider-show",function(e,i,elem){ console.log(i);//里面的事件根据自己需求来写 }); </script> </body> </html>
base.css https://www.cnblogs.com/chenyingying0/p/12363689.html
slider.css
/*showhide*/ .fadeOut{ opacity: 0; visibility: hidden; } .slideUpDownCollapse{ height:0 !important;/*避免因为优先级不够而无法生效*/ padding-top:0 !important; padding-bottom:0 !important; } .slideLeftRightCollapse{ width:0 !important;/*避免因为优先级不够而无法生效*/ padding-left:0 !important; padding-right:0 !important; } .fl{ float:left; } .fr{ float:right; } /*提取出过渡样式，可公用*/ .transition{ -webkit-transition:all .5s; -moz-transition:all .5s; -ms-transition:all .5s; -o-transition:all .5s; transition:all .5s; } /*文字隐藏*/ .text-hidden{ text-indent:-9999px; overflow:hidden; } .slider{ width:728px; height:504px; position: relative; overflow:hidden; } .slider-img{ width:100%; height:100%; position: relative; } .slide-fade .slider-img-item{ width:100%; height:100%; position: absolute; top:0; left:0; display: none; } .slider-tip{ position: absolute; height:12px; width:78px; bottom:24px; left:50%; margin-left:-36px; } .slider-tip-item{ width:8px; height:8px; border:2px solid #e4e8eb; background-color: #313a43; margin-right:10px; border-radius:50%; } .slider-tip-item-active{ background-color:#e4e8eb; border:2px solid #313a43; } .slider-tip-item:last-child{ margin-right:0; } .slider-arrow{ display: none; position: absolute; width:30px; height:40px; line-height:40px; top:50%; margin-top:-20px; background-color:rgba(0,0,0,.5); color:#e4e8eb; text-align: center; font-size:20px; font-family:simsum; } .slider-arrow-left{ left:0; } .slider-arrow-right{ right:0; }
transition.js https://www.cnblogs.com/chenyingying0/p/12363649.html
showhide.js https://www.cnblogs.com/chenyingying0/p/12363707.html
slider.js
(function($){ 'use strict';//使用严格模式 //构造函数形式 function Slider(elem,options){ //保存到this中才能公用 this.elem=elem; this.picBox=this.elem.find(".slider-img"); this.options=options; this.pics=this.elem.find(".slider-img-item"); this.tips=this.elem.find(".slider-tip-item"); this.arrows=this.elem.find(".slider-arrow"); this.curIdx=this._getIdx(this.options.activeIdx); this.size=this.pics.length; this._init();//初始化，下划线开头通常约定为仅供内部使用 } //默认参数 Slider.defaults={ css3:false, js:false, animation:"fade", activeIdx:0,//从哪张开始轮播 interval:0//默认没有自动轮播 }; //初始化 Slider.prototype._init=function(){ var self=this; //显示指定圆点 this.tips.removeClass("slider-tip-item-active"); this.tips.eq(this.curIdx).addClass("slider-tip-item-active"); //指定动画方式 to if(this.options.animation==="slide"){ this.picBox.addClass("slide-slide"); this.to=this._slide; }else{ this.picBox.addClass("slide-fade"); //显示指定图片 this.pics.eq(this.curIdx).show(); this.to=this._fade; } //showHide init控制幻灯片的显示隐藏 this.pics.showHide(this.options); //鼠标移入显示左右箭头 this.elem.hover(function(){ self.arrows.show(); },function(){ self.arrows.hide(); }).on("click",".slider-arrow-left",function(){ //事件代理 self.to(self._getIdx(self.curIdx-1)); }).on("click",".slider-arrow-right",function(){ self.to(self._getIdx(self.curIdx+1)); }).on("click",".slider-tip-item",function(){ self.to(self._getIdx(self.tips.index(this))); //self.tips.index(this)是当前点击的圆点的索引 }); //auto if(this.options.interval && !isNaN(Number(this.options.interval))){ //鼠标移入时暂停自动切换 this.elem.hover($.proxy(this.pause,this),$.proxy(this.auto,this)); self.auto(); } //发送消息（调用showhide模块的是幻灯片元素，因此发送接收消息的也是幻灯片元素） this.pics.on("show shown hide hidden",function(e){ self.pics.trigger("slider-"+e.type,[self.pics.index(this),this]); //返回的数组包含当前图片的索引+触发事件的对象 }) }; //获取合理的索引 Slider.prototype._getIdx=function(index){ if(isNaN(Number(index))) return 0; if(Number(index)<0) return this.size-1; if(Number(index)>this.size-1) return 0; return index; } //淡入淡出方式 Slider.prototype._fade=function(index){ if(this.curIdx===index) return;//点击当前索引不再切换 this.pics.eq(this.curIdx).showHide("hide"); this.pics.eq(index).showHide("show"); this.tips.eq(this.curIdx).removeClass("slider-tip-item-active"); this.tips.eq(index).addClass("slider-tip-item-active"); this.curIdx=index; } //滑动方式 Slider.prototype._slide=function(){ } //自动 Slider.prototype.auto=function(){ var self=this; this.timer=setInterval(function(){ self.to(self._getIdx(self.curIdx+1)); },self.options.interval); } //停止 Slider.prototype.pause=function(){ clearInterval(this.timer); } //插件形式 $.fn.extend({ Slider:function(opt){ //return this可以返回对象，方便连写 return this.each(function(){ var ui=$(this); var slider=ui.data("slider"); //opt是参数对象 var options=$.extend({},Slider.defaults,ui.data(),typeof opt==="object"&&opt); //单例：一个DOM元素对应一个实例，如果已经存在则不需要反复实例化 if(!slider){ slider=new Slider(ui,options); ui.data("slider",slider); } //opt是show或者hide if(typeof slider[opt]==="function"){ Slider[opt](); } }); } }); })(jQuery); //为了防止$符发生冲突，将jQuery作为参数传入，则$符作为内部变量，不会发生冲突