网站banner无缝轮播
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>图片轮播</title> <meta name="description" content=""> <meta name="keywords" content=""> <link href="" rel="stylesheet"> <style type="text/css"> html,body{ padding: 0; margin: 0; } ul,ul li{ list-style: none; margin: 0; padding: 0; } .box{ } #banner{ position: relative; height:auto; overflow: hidden; } #banner ul{ position:absolute; } #banner ul li{ float: left; } #banner ul li img{ width: 100%; height: 100%; } #banner #prevBtn,#banner #nextBtn{ height:80px; width:30px; background:rgba(0,0,0,0.5); position:absolute; top:50%; margin-top:-40px; font-size:30px; line-height:80px; text-align:center; text-decoration:none; color:white; opacity: 0; transition: opacity 0.8s ease; } #banner #prevBtn{ left:0; } #banner #nextBtn{ right:0; } #banner:hover #prevBtn,#banner:hover #nextBtn{ opacity: 1; } .dot{ height:10px; width:10px; border-radius:10px; background:#2196f3; display:inline-block; margin:5px; } .on{ background: #009688; } </style> </head> <body> <div class="box"> <div id="banner"> <ul id="banner-wrap"> <li> <img src="http://www.zxhuan.com/wp-content/uploads/2016/02/img1.jpg"> </li> <li> <img src="http://www.zxhuan.com/wp-content/uploads/2016/02/img2.jpg"> </li> <li> <img src="http://www.zxhuan.com/wp-content/uploads/2016/02/img3.jpg"> </li> <li> <img src="http://www.zxhuan.com/wp-content/uploads/2016/02/img4.jpg"> </li> <li> <img src="http://www.zxhuan.com/wp-content/uploads/2016/02/img5.jpg"> </li> </ul> </div> </div> <script type="text/javascript" src='http://libs.baidu.com/jquery/2.0.0/jquery.js'></script> <script type="text/javascript"> (function($,window,document,undefinen){ $.fn.bannerSwiper=function(option){ this.default={ boxWrap:null,//必填 nextBtn:false,//是否往下启动按钮 prevBtn:false,//是否往上启动按钮 autoPlay:false,//是否启动自动播放 times:3000,//自动轮播的时间间隔, speed:600,//点击按钮是切换的速度 circle:false,//是否启动小圆点 circleAlign:"center",//小圆点的对其方式 circleClick:false//小圆点是否可以点击 } var self=this; this.time=null; this.options=$.extend({},this.default,option); self.flag=true; // 插件入口 this.init=function(){ this.bulid(); } this.bulid=function(){ var self=this; var wrap=self.options.boxWrap; self.num=1; self.nowTime=+new Date(); self.width=$(window).width(); var firstImg=$(wrap).find('li').first(); var lastImg=$(wrap).find('li').last(); $(wrap).append(firstImg.clone()); $(wrap).prepend(lastImg.clone()); self.length=$(wrap).find('li').length; $(wrap).width(self.width*self.length); $(wrap).find('li').width(self.width) $(wrap).parent().height(480); $(wrap).parent().width(self.width); $(wrap).css({'left':-self.width*self.num}) // 是否启动自动轮播 if(self.options.autoPlay){ self.plays(); } // 是否启动按钮 if(self.options.nextBtn){ self.NextBtn(); } // 是否启动按钮 if(self.options.prevBtn){ self.prevBtn(); } // 是否启动小圆点 if(self.options.circle){ self.circle() } if(self.options.circleClick){ self.clickCircle(); } } // // 鼠标移入时 self.on('mouseenter',function(){ self.stops(); }) // 鼠标移出时 self.on('mouseleave',function(){ self.plays(1); }) // 开始计时器，自动轮播 this.plays=function(){ var self=this; // self.stops(); console.log('play') this.time=setInterval(function(){ self.go(-self.width) },self.options.times); } // 停止计时器 this.stops=function(){ console.log('stop'); clearInterval(self.time) } // 手动创建按钮元素 this.prevBtn=function(){ var self=this; var ele=$("<a href='javascript:;' id='prevBtn'><</a>"); self.append(ele); $('#prevBtn').bind("click",function(){ self.go(self.width); }) } // 手动创建按钮元素 this.NextBtn=function(){ var self=this; var ele=$("<a href='javascript:;' id='nextBtn'>></a>"); self.append(ele) $('#nextBtn').bind("click",function(){ self.go(-self.width); }) } // 手动创建小圆点 this.circle=function(){ var self=this; var ele=$('<div id="circle-wrap"></div>'); for(var i=0;i<self.length-2;i++){ $('<a class="dot" href="javascript:;"></a>').appendTo(ele) } ele.css({ "position":"absolute", 'bottom':'0', 'right':'0', 'left':'0', 'height':'20px', "padding":"0 10px", 'text-align':self.options.circleAlign }); self.append(ele); self.playCircle(this.num-1); } //小圆点指定当前项 this.playCircle=function(num){ $('#circle-wrap').find('.dot').eq(num).addClass('on').siblings().removeClass('on'); } // 点击小圆点 this.clickCircle=function(){ var self=this; $('#circle-wrap').find('.dot').on('click',function(){ self.num=$(this).index()+1; self.circlePlay() }) } // 点击小圆点，图片切换 this.circlePlay=function(){ self.flag=true; if(self.flag){ self.flag=false; $(self.options.boxWrap).stop().animate({ 'left':-self.num*self.width },self.options.speed,function(){ self.flag=true; }); } self.playCircle(this.num-1); } // 点击按钮，进行轮播,以及自动轮播 this.go=function(offset){ var self=this; if(self.flag){ self.flag=false; if(offset<0){ self.num++; if(self.num>self.length-2){ self.num=1; } } if(offset>0){ self.num--; if(self.num<=0){ self.num=self.length-2 } } if(Math.ceil($(self.options.boxWrap).position().left)<-(self.length-2)*self.width){ $(self.options.boxWrap).css({ 'left':-self.width }); } if(Math.ceil($(self.options.boxWrap).position().left)>-self.length){ $(self.options.boxWrap).css({ 'left':-self.width*(self.length-2) }) } self.playCircle(this.num-1); $(self.options.boxWrap).stop().animate({ 'left':$(self.options.boxWrap).position().left+offset },self.options.speed,function(){ self.flag=true; }); } } this.init(); } })(jQuery,window,document) $('#banner').bannerSwiper({ boxWrap:"#banner-wrap", nextBtn:true, prevBtn:true, autoPlay:true, circle:true, circleClick:true }) </script> </body> </html>
