实现淘宝全屏居中轮播图的代码解析

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<div class="J_TWidget" data-widget-config="{'effect': 'fade', 'circular': true ,'contentCls':'taobaoux'}" data-widget-type="Tabs" style="height:545px;overflow:hidden;">
  <div class="taobaoux" style="height:550px;">
        <div class="footer-more-trigger" style="width:1920px;height:550px;top:auto;padding:0px;border:none;left:50%;">
            <div class="footer-more-trigger" style="width:1920px;height:550px;padding:0px;border:none;left:-960px;">
            
              <div data-widget-config="{'contentCls': 'taobaoux-com','navCls': 'bbs-taobaoux-com','effect': 'scrollx','easing': 'easeOutStrong','prevBtnCls':'prev1920','nextBtnCls':'next1920','autoplay': true,'viewSize':[1920],'circular': true}" data-widget-type="Carousel" class="J_TWidget">
                    
                    <div class="J_TWidget" data-widget-config="{'trigger':'.ux1920','align':{'node':'.ux1920','offset':[-500,0],'points':['cc','cc']}}" data-widget-type="Popup" style="display:none;">
                        <div class="prev1920" style="font-size:100px;cursor:pointer;opacity:0.5;color:#f00;"><</div>
                    </div>
          <div class="J_TWidget" data-widget-config="{'trigger':'.ux1920','align':{'node':'.ux1920','offset':[500,0],'points':['cc','cc']}}" data-widget-type="Popup" style="display:none;">
                        <div class="next1920" style="font-size:100px;cursor:pointer;opacity:0.5;color:#f00;">></div>
                    </div>
                
                    <div style="height:550px;width:1920px;overflow:hidden;padding:0px;margin:0px;" class="ux1920">
                        <ul class="taobaoux-com" style="height:550px;width:1920px;padding:0px;margin:0px;">
                          <li style="width:1920px;height:550px;padding:0px;margin:0px;">
                            <a target="_blank"  href="http://tbux.taobao.com/" style="padding:0px;margin:0px;">
                                <img src="http://demo.taobaoux.com/Carousel/1920/1920.jpg" width="1920px" height="550px" border="0px"></a></li>
                          <li style="width:1920px;height:550px;padding:0px;margin:0px;">
                            <a target="_blank"  href="http://tbux.taobao.com/" style="padding:0px;margin:0px;">
                                <img src="http://demo.taobaoux.com/Carousel/1920/1920_2.jpg" width="1920px" height="550px" border="0px"></a></li>
                          <li style="width:1920px;height:550px;padding:0px;margin:0px;">
                            <a target="_blank"  href="http://tbux.taobao.com/" style="padding:0px;margin:0px;">
                                <img src="http://demo.taobaoux.com/Carousel/1920/1920_3.jpg" width="1920px" height="550px" border="0px"></a></li>
                          <li style="width:1920px;height:550px;padding:0px;margin:0px;">
                            <a target="_blank"  href="http://tbux.taobao.com/" style="padding:0px;margin:0px;">
                                <img src="http://demo.taobaoux.com/Carousel/1920/1920_2.jpg" width="1920px" height="550px" border="0px"></a></li>
                          <li style="width:1920px;height:550px;padding:0px;margin:0px;">

                            <a target="_blank"  href="http://tbux.taobao.com/" style="padding:0px;margin:0px;">
                                <img src="http://demo.taobaoux.com/Carousel/1920/1920_3.jpg" width="1920px" height="550px" border="0px"></a></li>
                        </ul>
                    </div>
    
                    <div class="footer-more-trigger" style="padding:0px;border:none;left:50%;">
                        <div class="footer-more-trigger" style="width:1920px;height:50px;padding:0px;border:none;left:-960px;background: url(http://demo.taobaoux.com/Carousel/Carousel_bg.png) repeat;top:505px;">
                            <ul class="bbs-taobaoux-com" style="width:950px;height:50px;margin:0 auto;text-align: center;">
                                <li style="display: inline;margin: 0 5px;cursor:pointer;line-height: 50px;">
                                    <img src="http://demo.taobaoux.com/Carousel/1920/1920.jpg" width="120px" height="39px" border="0px" style="vertical-align:middle;margin:5px 0;" /></li>
                                <li style="display: inline;margin: 0 5px;cursor:pointer;line-height: 50px;">
                                    <img src="http://demo.taobaoux.com/Carousel/1920/1920_2.jpg" width="120px" height="39px" border="0px" style="vertical-align:middle;margin:5px 0;" /></li>
                                <li style="display: inline;margin: 0 5px;cursor:pointer;line-height: 50px;">
                                    <img src="http://demo.taobaoux.com/Carousel/1920/1920_3.jpg" width="120px" height="39px" border="0px" style="vertical-align:middle;margin:5px 0;" /></li>
                                <li style="display: inline;margin: 0 5px;cursor:pointer;line-height: 50px;">
                                    <img src="http://demo.taobaoux.com/Carousel/1920/1920_2.jpg" width="120px" height="39px" border="0px" style="vertical-align:middle;margin:5px 0;" /></li>
                                <li style="display: inline;margin: 0 5px;cursor:pointer;line-height: 50px;">
                                    <img src="http://demo.taobaoux.com/Carousel/1920/1920_3.jpg" width="120px" height="39px" border="0px" style="vertical-align:middle;margin:5px 0;" /></li>
                            </ul>   
                        </div>    
                    </div>  
                    
                </div>
                
            </div>
        </div>
    </div>
    
  <ul class="ks-switchable-nav" style="display:none;"></ul>