jquery实现焦点图片随机切换效果的方法

本文实例讲述了jquery实现焦点图片随机切换效果的方法。分享给大家供大家参考。具体如下：

1. 运行效果如下图所示：

2.完整实例代码点击此处本站下载。

3.完整代码如下：

代码如下:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>Slides, A Slideshow Plugin for jQuery</title>
    <link rel="stylesheet" href="css/global.css">
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
    <script src="http://gsgd.co.uk/sandbox/jquery/easing/jquery.easing.1.3.js"></script>
    <script src="js/slides.min.jquery.js"></script>
    <script>
        
        $(function(){
            var easings = [];
            var row = 0;
            for(var x in jQuery.easing){
                if (x != 'linear' && x != 'swing') {
                    easings[row++] = x;
                }
            }
            
            $('#slides').slides({
                preload: true,
                preloadImage: 'img/loading.gif',
                play: 5000,
                pause: 2500,
                slideEasing: "swing",
                slideSpeed : 2000,
                hoverPause: true,
                animationComplete: function(current) {
                     var index = Math.floor(Math.random() * easings.length);
                     jQuery.easing.def = easings[index];
                }
            });
        });
    </script>
</head>
<body>
    <div id="container">
        <div id="example">
            <img src="img/new-ribbon.png" width="112" height="112" alt="New Ribbon" id="ribbon">
            <div id="slides">
                <div class="slides_container">
                    <a href="http://www.flickr.com/photos/jliba/4665625073/" title="145.365 - Happy Bokeh Thursday! | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-1.jpg" width="570" height="270" alt="Slide 1"></a>
                    <a href="http://www.flickr.com/photos/stephangeyer/3020487807/" title="Taxi | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-2.jpg" width="570" height="270" alt="Slide 2"></a>
                    <a href="http://www.flickr.com/photos/childofwar/2984345060/" title="Happy Bokeh raining Day | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-3.jpg" width="570" height="270" alt="Slide 3"></a>
                    <a href="http://www.flickr.com/photos/b-tal/117037943/" title="We Eat Light | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-4.jpg" width="570" height="270" alt="Slide 4"></a>
                    <a href="http://www.flickr.com/photos/bu7amd/3447416780/" title="“I must go down to the sea again, to the lonely sea and the sky; and all I ask is a tall ship and a star to steer her by.” | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-5.jpg" width="570" height="270" alt="Slide 5"></a>
                    <a href="http://www.flickr.com/photos/streetpreacher/2078765853/" title="twelve.inch | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-6.jpg" width="570" height="270" alt="Slide 6"></a>
                    <a href="http://www.flickr.com/photos/aftab/3152515428/" title="Save my love for loneliness | Flickr - Photo Sharing!" target="_blank"><img src="http://slidesjs.com/examples/standard/img/slide-7.jpg" width="570" height="270" alt="Slide 7"></a>
                </div>
                <a href="#" class="prev"><img src="img/arrow-prev.png" width="24" height="43" alt="Arrow Prev"></a>
                <a href="#" class="next"><img src="img/arrow-next.png" width="24" height="43" alt="Arrow Next"></a>
            </div>
            <img src="img/example-frame.png" width="739" height="341" alt="Example Frame" id="frame">
        </div>
        <div id="footer">
            <p>For full instructions go to <a href="http://slidesjs.com" target="_blank">http://slidesjs.com</a>.</p>
            <p>Slider design by Orman Clark at <a href="http://www.premiumpixels.com/" target="_blank">Premium Pixels</a>. You can donwload the source PSD at <a href="http://www.premiumpixels.com/clean-simple-image-slider-psd/" target="_blank">Premium Pixels</a></p>
            <p>© 2010 <a href="http://nathansearles.com" target="_blank">Nathan Searles</a>. All rights reserved. Slides is licensed under the <a href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank">Apache license</a>.</p>
        </div>
    </div>
</body>
</html>

希望本文所述对大家的jQuery程序设计有所帮助。