• web图片轮播实现


    <!doctype html>
    <html>
    <head>
    <meta charset="utf-8">
    <title>轮播</title>
    <!-- 轮播广告 css start-->
    <style>
    .flexslider{position:relative;100%;height:400px;overflow:hidden;zoom:1}
    .flexslider .slides li{100%;height:100%}
    .flexslider:hover .flex-next:hover,.flexslider:hover .flex-prev:hover{opacity:1;filter:alpha(opacity=50)}
    .flex-control-nav{100%;position:absolute;bottom:10px;text-align:center}
    .flex-control-nav li{margin:0 2px;display:inline-block;zoom:1}
    .flex-control-paging li a{background:url(http://chzeze.cc/images/dot.png) no-repeat 0 -16px;display:block;height:16px;overflow:hidden;text-indent:-99em;16px;cursor:pointer}
    .flex-control-paging li a.flex-active,.flex-control-paging li.active a{background-position:0 0}
    .flexslider .slides a img{100%;height:400px;display:block}
    </style>
    <!-- 轮播广告 css end-->
    </head>
    
    <body style="margin: 0px;">
    
    <!-- 轮播广告 -->
    <div id="banner_tabs" class="flexslider">
      <ul class="slides">
        <li> <a title="" target="_blank" href="#"> <img width="1920" height="482" alt="" style="background: url(http://www.chzeze.cc/Page/index/images/banner.png) no-repeat center;" src="http://chzeze.cc/images/alpha.png"> </a> </li>
        <li> <a title="" href="#"> <img width="1920" height="482" alt="" style="background: url(http://www.chzeze.cc/Page/index/images/banner4.png) no-repeat center;" src="http://chzeze.cc/images/alpha.png"> </a> </li>
        <li> <a title="" href="#"> <img width="1920" height="482" alt="" style="background: url(http://www.chzeze.cc/Page/index/images/banner2.png) no-repeat center;" src="http://chzeze.cc/images/alpha.png"> </a> </li>
      </ul>
      <ol id="bannerCtrl" class="flex-control-nav flex-control-paging" style="padding-left: 0px;">
        <li><a>1</a></li>
        <li><a>2</a></li>
        <li><a>2</a></li>
      </ol>
    </div>
    <script src="http://chzeze.cc/Page/jquery.js"></script> 
    <script>
     <!--背景轮播 js 开始-->
    $(function($, window, document, undefined) {
        Slider = function(container, options) {
            "use strict";
            if (!container) return;
            var options = options || {}, currentIndex = 0,
                cls = options.activeControllerCls,
                delay = options.delay,
                isAuto = options.auto,
                controller = options.controller,
                event = options.event,
                interval, slidesWrapper = container.children().first(),
                slides = slidesWrapper.children(),
                length = slides.length,
                childWidth = container.width(),
                totalWidth = childWidth * slides.length;
    
            function init() {
                var controlItem = controller.children();
                mode();
                event == 'hover' ? controlItem.mouseover(function() {
                    stop();
                    var index = $(this).index();
                    play(index, options.mode);
                }).mouseout(function() {
                    isAuto && autoPlay();
                }) : controlItem.click(function() {
                    stop();
                    var index = $(this).index();
                    play(index, options.mode);
                    isAuto && autoPlay();
                });
                isAuto && autoPlay();
            }
    
            function mode() {
                var wrapper = container.children().first();
                options.mode == 'slide' ? wrapper.width(totalWidth) : wrapper.children().css({
                    'position': 'absolute',
                    'left': 0,
                    'top': 0,
                    'display':'block'
                }).first().siblings().hide();
            }
    
            function autoPlay() {
                interval = setInterval(function() {
                    triggerPlay(currentIndex);
                }, options.time);
            }
    
            function triggerPlay(cIndex) {
                var index;
                (cIndex == length - 1) ? index = 0 : index = cIndex + 1;
                play(index, options.mode);
            }
    
            function play(index, mode) {
                slidesWrapper.stop(true, true);
                slides.stop(true, true);
                mode == 'slide' ? (function() {
                    if (index > currentIndex) {
                        slidesWrapper.animate({
                            left: '-=' + Math.abs(index - currentIndex) * childWidth + 'px'
                        }, delay);
                    } else if (index < currentIndex) {
                        slidesWrapper.animate({
                            left: '+=' + Math.abs(index - currentIndex) * childWidth + 'px'
                        }, delay);
                    } else {
                        return;
                    }
                })() : (function() {
                    if (slidesWrapper.children(':visible').index() == index) return;
                    slidesWrapper.children().fadeOut(delay).eq(index).fadeIn(delay);
                })();
                try {
                    controller.children('.' + cls).removeClass(cls);
                    controller.children().eq(index).addClass(cls);
                } catch (e) {}
                currentIndex = index;
                options.exchangeEnd && typeof options.exchangeEnd == 'function' && options.exchangeEnd.call(this, currentIndex);
            }
    
            function stop() {
                clearInterval(interval);
            }
    
            function prev() {
                stop();
                currentIndex == 0 ? triggerPlay(length - 2) : triggerPlay(currentIndex - 2);
                isAuto && autoPlay();
            }
    
            function next() {
                stop();
                currentIndex == length - 1 ? triggerPlay(-1) : triggerPlay(currentIndex);
                isAuto && autoPlay();
            }
            init();
            return {
                prev: function() {
                    prev();
                },
                next: function() {
                    next();
                }
            }
        };
    }(jQuery, window, document));
    $(function() {
        var bannerSlider = new Slider($('#banner_tabs'), {
            time: 5000,
            delay: 400,
            event: 'hover',
            auto: true,
            mode: 'fade',
            controller: $('#bannerCtrl'),
            activeControllerCls: 'active'
        });
        $('#banner_tabs .flex-prev').click(function() {
            bannerSlider.prev()
        });
        $('#banner_tabs .flex-next').click(function() {
            bannerSlider.next()
        });
    })
     <!--背景轮播 js结束-->
    </script>
    </div>
    </body>
    </html>
    

      

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  • 原文地址:https://www.cnblogs.com/zeze/p/5127475.html
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