图片轮播示例

来源：互联网发布：3q是什么意思网络语言编辑：程序博客网时间：2024/04/30 16:30

好看的图片轮播示例
基于jQuery写的插件

(注：仿淘宝，图片是下载的，效果自己做的)

效果图：

demo.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>全屏图片切换</title><style type="text/css">*{margin:0;padding:0;list-style-type:none;}a,img{border:0;}body{font:12px/180% Arial, Helvetica, sans-serif, "新宋体";}/* flexslider */.flexslider{position:relative;height:400px;overflow:hidden;background:url(img/loading.gif) 50% no-repeat;}.slides{position:relative;z-index:1;}.slides li{height:400px;position:absolute;z-index:1;width: 100%}.flex-control-nav{position:absolute;bottom:10px;z-index:2;width:100%;text-align:center;}.flex-control-nav li{display:inline-block;width:14px;height:14px;margin:0 5px;*display:inline;zoom:1;}.flex-control-nav a{display:inline-block;width:14px;height:14px;line-height:40px;overflow:hidden;background:url(img/dot.png) right 0 no-repeat;cursor:pointer;}.flex-control-nav .flex-active{background-position:0 0;}.flex-direction-nav{position:absolute;z-index:3;width:100%;top:45%;}.flex-direction-nav li a{display:block;width:50px;height:50px;overflow:hidden;cursor:pointer;position:absolute;}.flex-direction-nav li a.flex-prev{left:40px;background:url(img/prev.png) center center no-repeat;}.flex-direction-nav li a.flex-next{right:40px;background:url(img/next.png) center center no-repeat;}</style></head><body><div style="height:80px;overflow:hidden;"></div><div class="flexslider"><ul class="slides"><li style="background:url(img/img1.jpg) 50% 0 no-repeat;opacity: 1;z-index: 2;"></li><li style="background:url(img/img2.jpg) 50% 0 no-repeat;"></li><li style="background:url(img/img3.jpg) 50% 0 no-repeat;"></li><li style="background:url(img/img4.jpg) 50% 0 no-repeat;"></li><li style="background:url(img/img5.jpg) 50% 0 no-repeat;"></li></ul><ol class="flex-control-nav flex-control-paging"><li><a class="flex-active">1</a></li><li><a class="">2</a></li><li><a class="">3</a></li><li><a class="">4</a></li><li><a class="">5</a></li></ol><ul class="flex-direction-nav"><li><a class="flex-prev" href="javascript:;"></a></li><li><a class="flex-next" href="javascript:;"></a></li></ul></div><script type="text/javascript" src="js/jquery-1.7.2.min.js" ></script><script type="text/javascript" src="js/demo.js" ></script></body></html>

js/jquery-1.9.0.js 下载地址

js/demo.js

(function(){var slider={lenght:$('.slides li').length,index:0,pre:$('.flex-direction-nav .flex-prev'),next:$('.flex-direction-nav .flex-next'),indexBar:$('.flex-control-nav li'),timer:null,changing:false,init:function(){this.pre.click(function(){if(slider.changing){return;}slider.pause();slider.preStep(slider.index);});this.next.click(function(){if(slider.changing){return;}slider.pause();slider.nextStep(slider.index);});this.indexBar.click(function(event){if(slider.changing){return;}slider.pause();slider.indexControl(slider.indexBar.index(this));event.preventDefault();});this.start();},start:function(){slider.setTimer(setInterval(function(){slider.nextStep(slider.index);},5000)) ;},setTimer:function(timer){if(timer){clearInterval(slider.timer);slider.timer = timer;}else{slider.timer = timer;}},pause:function(){if(slider.timer){clearInterval(slider.timer);setTimeout(function(){slider.start();},200);}},stop:function(){},indexControl:function(index){console.log(index);var cur = $('.slides li').eq(slider.index),preIndex = index,pre = $('.slides li').eq(preIndex);this.change(cur);this.change(pre,'active');slider.indexBar.siblings().eq(slider.index).find('a').removeClass('flex-active');slider.indexBar.siblings().eq(preIndex).find('a').addClass('flex-active');slider.index = preIndex;},preStep:function(index){console.log(index);var cur = $('.slides li').eq(index),preIndex = index==0 ? slider.lenght-1:index-1,pre = $('.slides li').eq(preIndex);this.change(cur);this.change(pre,'active');slider.index = preIndex;slider.indexBar.siblings().eq(index).find('a').removeClass('flex-active');slider.indexBar.siblings().eq(preIndex).find('a').addClass('flex-active');},nextStep:function(index){console.log(index);var cur = $('.slides li').eq(index),nextIndex = index==slider.lenght-1 ? 0:index+1,next = $('.slides li').eq(nextIndex);this.change(cur);this.change(next,'active');slider.index = nextIndex;slider.indexBar.siblings().eq(index).find('a').removeClass('flex-active');slider.indexBar.siblings().eq(nextIndex).find('a').addClass('flex-active');},change:function(o,type){if(type=='active'){slider.changing = true;var timer = setInterval(function(){var i = parseFloat(o.css('opacity'));console.log('a',i);if(i<1){o.css('opacity',i+0.2);}else{clearInterval(timer);o.css('z-index',2);o.css('opacity',1);slider.changing = false;}},150);}else{var timer = setInterval(function(){var i = parseFloat(o.css('opacity'));console.log('b',i);if(i>0.3){o.css('opacity',i-0.2);}else{clearInterval(timer);o.css('z-index',1);o.css('opacity',0);}},150);}}};slider.init();})($)

img/img1.png: