本文实例讲述了jquery带有索引按钮且自动轮播切换特效。分享给大家供大家参考。具体如下：
这是一款基于jquery实现的带有索引按钮且自动轮播切换特效代码，实现过程很简单。
运行效果图： -------------------查看效果 下载源码-------------------
小提示：浏览器中如果不能正常运行，可以尝试切换浏览模式。
在head区域引入CSS样式：
<link href="https://www.jb51.net/css/reset.css" media="screen"> <link href="https://www.jb51.net/css/wy-mod-banner.css" media="screen">
为大家分享的jquery带有索引按钮且自动轮播切换特效代码如下
<!doctype html> <html lang="zh-cn"> <head> <meta charset="utf-8"> <meta http-equiv="Content-Language" content="zh-cn"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <title>腾讯微云首页jquery焦点图</title> <link href="https://www.jb51.net/css/reset.css" media="screen"> <link href="https://www.jb51.net/css/wy-mod-banner.css" media="screen"> <!--[if IE 6]><script type="text/javascript">try{document.execCommand('BackgroundImageCache',false,true);}catch(e){}</script><![endif]--> </head> <body> <div> <div> <div> <div> <div> <img src="https://www.jb51.net/images/banner4.jpg" alt="微云，生活精彩"> <div> <h3>微云，生活精彩</h3> <p>收录生活中的点点滴滴，精彩从此刻开始！</p> <a href="https://www.jb51.net/jiaoben/" data-log-id="150008" target="_blank" data-log-id="150001"><span>马上下载 </span><i></i></a> </div> </div> <div> <img src="https://www.jb51.net/images/banner3.jpg" alt="微云，生活精彩"> <div> <h3>微云，生活精彩</h3> <p>收录生活中的点点滴滴，精彩从此刻开始！</p> <a href="https://www.jb51.net/jiaoben/" data-log-id="150008" target="_blank" data-log-id="150001"><span>马上下载 </span><i></i></a> </div> </div> <div> <img src="https://www.jb51.net/images/banner2.jpg" alt="微云，生活精彩"> <div> <h3>微云，生活精彩</h3> <p>收录生活中的点点滴滴，精彩从此刻开始！</p> <a href="https://www.jb51.net/jiaoben/" data-log-id="150008" target="_blank" data-log-id="150001"><span>马上下载 </span><i></i></a> </div> </div> <div> <img src="https://www.jb51.net/images/banner1.jpg" alt="微云，生活精彩"> <div> <h3>微云，生活精彩</h3> <p>收录生活中的点点滴滴，精彩从此刻开始！</p> <a href="https://www.jb51.net/jiaoben/" data-log-id="150008" target="_blank" data-log-id="150001"><span>马上下载</span> <i></i></a> </div> </div> </div> <div> <a data-index="0" href="#"> <span></span> <span></span> </a> <a data-index="1" href="#"> <span></span> <span></span> </a> <a data-index="2" href="#"> <span></span> <span></span> </a> <a data-index="3" href="#"> <span></span> <span></span> </a> </div> </div> </div> </div> <script type="text/javascript" src="https://www.jb51.net/js/jquery-1.8.3.min.js"></script> <script type="text/javascript"> var glume = function(banners_id, focus_id){ this.$ctn = $('#' + banners_id); this.$focus = $('#' + focus_id); this.$adLis = null; this.$btns = null; this.switchSpeed = 5;//自动播放间隔(s) this.defOpacity = 1; this.crtIndex = 0; this.adLength = 0; this.timerSwitch = null; this.init(); }; glume.prototype = { fnNextIndex:function(){ return (this.crtIndex >= this.adLength-1)?0:this.crtIndex+1; }, //动画切换 fnSwitch:function(toIndex){ if(this.crtIndex==toIndex){return;} this.$adLis.css('zIndex', 0); this.$adLis.filter(':eq('+this.crtIndex+')').css('zIndex', 2); this.$adLis.filter(':eq('+toIndex+')').css('zIndex', 1); this.$btns.removeClass('on'); this.$btns.filter(':eq('+toIndex+')').addClass('on'); var me = this; $(this.$adLis[this.crtIndex]).animate({ opacity: 0 }, 1000, function() { me.crtIndex = toIndex; $(this).css({ opacity: me.defOpacity, zIndex: 0 }); }); }, fnAutoPlay:function(){ this.fnSwitch(this.fnNextIndex()); }, fnPlay:function(){ var me = this; me.timerSwitch = window.setInterval(function() { me.fnAutoPlay(); },me.switchSpeed*1000); }, fnStopPlay:function(){ window.clearTimeout(this.timerSwitch); this.timerSwitch = null; }, init:function(){ this.$adLis = this.$ctn.children(); this.$btns = this.$focus.children(); this.adLength = this.$adLis.length; var me = this; //点击切换 this.$focus.on('click', 'a', function(e) { e.preventDefault(); var index = parseInt($(this).attr('data-index'), 10) me.fnSwitch(index); }); this.$adLis.filter(':eq('+ this.crtIndex +')').css('zIndex', 2); this.fnPlay(); //hover时暂停动画 this.$ctn.hover(function() { me.fnStopPlay(); }, function() { me.fnPlay(); }); if($.browser.msie && $.browser.version < 7) { this.$btns.hover(function() { $(this).addClass('hover'); },function() { $(this).removeClass('hover'); }); } } }; var player1 = new glume('_banners', '_focus'); </script> </body> </html>
以上就是为大家分享的基于jquery实现的带有索引按钮且自动轮播切换特效代码，希望大家可以喜欢，并应用到实践中。
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