jQuery插件轻量图片轮换UISlide2

UISlide 的不同效果展现：

<!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" xml:lang="en">
<head>
    <title>UISlideDemo1.0</title>
    <meta http-equiv="X-UA-Compatible" content="IE=EmulateIE7" />
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8"/>
    
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
    
    <script type="text/javascript" src="http://jquery-swip.googlecode.com/svn/trunk/jquery.easing.1.3.js"></script>
    
    <style type="text/css">
        *{ margin:0;padding:0;}
        body{font:12px/2 arial;background:#ccc;}
        a{color:#0029c4;text-decoration:none;}
        a:hover{color:#c00;}
        img{border:none 0;}
        .wrap{714px;margin:40px auto;border:2px solid #aaa;background:#fff;padding:5px 5px 0;}
        .slide_wrap{position:relative;710px;height:340px; margin-bottom:5px;border:2px solid #ccc;background:#fff;color:#666;overflow:hidden;}
        .slide_imglist{}
        /*.slide_imglist li{float:left;margin-right:3px;display:inline;}*/
        .slide_imglist li{ float:left;margin-right:3px;display:inline;}
        .slide_imglist li img{710px;height:340px;display:block;}
        .slide_title{bottom:0;left:0;100%;height:45px;overflow:hidden;position:absolute;}
        .slide_title h3{position:absolute;top:0;left:0;height:45px;line-height:45px;overflow:hidden;padding:0 10px;z-index:2;display:block;}
        .slide_title h3 a{color:#efefef;font-weight:bold;font-size:16px;}
        .slide_title h3 a:hover{color:#ff0;}
        .slide_title em{position:absolute;left:0;display:block;top:0;100%;height:45px;opacity:0.45;filter:alpha(opacity=45);background:#000;z-index:1;}
        .slide_num{right:5px;z-index:3;top:0;position:absolute;}
        .slide_num dd{display:inline;margin:10px 4px 0 0;22px;height:22px;font-size:14px;text-align:center;line-height:22px;border:1px #eee solid;background:#d4d4d4;cursor:pointer;float:left;}
        .slide_num dd.active{color:#fff;border:1px #09f solid;background:#09f;}
    </style>
</head>
<body>
<div class="wrap">
    <div id="slide" class="slide_wrap">
        <ul class="slide_imglist">
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            <li><a title="《普罗米修斯》全新中文预告首发 科幻大作终现全貌" href="http:////rihan.vancl.com/" target="_blank"><img src="http://i1.vanclimg.com/users/26/20120315/focus_6_3n_cs_120315.jpg" alt="" /></a></li>
            <li><a title="诡异华美缜密悬疑：12大日本推理名家改编宝典" href="http://children.vancl.com/search?navtype=08&attrid_category_attributes=7939" target="_blank"><img src="http://i2.vanclimg.com/users/26/20120321/focus_tz_120321_nn.jpg" alt="" /></a></li>
        </ul>
        <div class="slide_title">
            <h3><a href="#" target="_blank">设计好脾气的Web页面</a></h3>
            <dl class="slide_num"></dl>
            <em></em>
        </div>
    </div>
    
    <div id="slide2" class="slide_wrap">
        <ul class="slide_imglist">
            <li><a title="现代主妇vs职业女性：从 "广告狂人" 看60年代女性风尚" href="http://vt.vancl.com/" target="_blank"><img src="http://i5.vanclimg.com/users/26/20120316/foucs_2_4_vt_201203016n.jpg" alt="" /></a></li>
            <li><a title="诡异华美缜密悬疑：12大日本推理名家改编宝典" href="http://xiuxianku.vancl.com/" target="_blank"><img src="http://i3.vanclimg.com/users/26/20120318/focus_5_120318.jpg" alt="" /></a></li>
            <li><a title="2012佳片鉴赏录：25部奥斯卡种子影片超前瞻" href="http://nanxie.vancl.com/" target="_blank"><img src="http://i2.vanclimg.com/users/26/20120320/focus_6_n_120320.jpg" alt="" /></a></li>
        </ul>
        <div class="slide_title">
            <h3><a href="#" target="_blank">设计好脾气的Web页面</a></h3>
            <dl class="slide_num"></dl>
            <em></em>
        </div>
    </div>
    
</div>
<script type="text/javascript">
    /**
     * Copyright (c) 2011 Jikeytang (http://jikey.cnblog.com/)
     * Version: 0.0.1
     * Demo: http://jikey.cnblog.com/
     */
    ;(function($){
        // 图片轮播插件
        $.fn.UISlide = function(options){
            var defaults = {
                playTime    :3000,            // 间隔时间
                duration    :800,             // 延迟时间
                direction   :'left',          // 方向
                easing      :'easeInOutQuad', // 自动播放时 easing 方式
                clickEasing :'easeOutCubic',  // 点击时 easing 方式
                pattern     :'scroll'
            };
            var opts = $.extend({}, defaults, options); // 参数合并
            var slide = {
                // 播放调用及一些变量的初始化
                play: function(opts, me){
                    var that = this,
                            isPlay;
                    that.me       = me;
                    that.picList  = me.find('ul');            // 图片列表
                    that.title    = me.find('div').find('a'); // 图片标题
                    that.oNum     = me.find('dl');            // 数字按钮
                    that.lis      = that.picList.find('li');  // li
                    that.size     = that.lis.length;          // 图片的数量
                    that.lisWidth = that.lis.width();
                    that.isPlay   = isPlay;                   // 是否自动播放
                    for (var p in opts) {                     // opts 绑定到 slide
                        that[p] = opts[p];
                    }
                    that.setNums().setTitle();
                    if(that.pattern == 'fade'){
                        that.lis.css({position: 'absolute', top: 0, left: 0});
                        that.lis.css('z-index', 1);
                    }
                    // 如果图片数量大于则轮播
                    that.size > 1 && that.autoPlay().slideEvent();
                },
                // 设置按钮
                setNums: function(){
                    var that = this,
                            links,               // 图片的链接
                            me = that.me,
                            size = that.size,
                            oNum = that.oNum,   // 按钮对象
                            arrTemp = [];
                    links = that.picList.find('a').first();
                    that.title.html(links[0].title).attr('href', links[0].href); // 把链接的 title 内容放到标题栏上显示
                    for(var i=1; i<=size; i++){ // 借鉴司徒正美兄： http://www.cnblogs.com/rubylouvre/archive/2009/07/24/1530264.html 的写法
                        arrTemp.push('<dd>' + i + '</dd>');
                    }
                    oNum.append(arrTemp.join(''));
                    that.slideNum = oNum.find('dd');
                    that.numWidth  = (that.slideNum.width() + parseInt(that.slideNum.css('margin-right')) + 2) * size + 1; // 数字按钮宽度
                    that.setTitle(); // 底部图片标题设置
                    return that;
                },
                // 自动播放
                autoPlay: function(){
                    var that = this,
                            activePos,
                            direction = that.direction,
                            picList = that.picList,
                            slideNum = that.slideNum,
                            playTime = that.playTime;
                    that.isPlay = setInterval(function (){
                        activePos = that.oNum.find('.active').index(); // 在数字按钮中找到当前活动标签的所在位置
                        //                    console.log('size', that.size);
                        if(activePos < (that.size - 1)){
                            //                        direction = 'right';
                            activePos ++;
                        } else if(activePos == (that.size - 1)){
                            activePos = 0;
                        } else{
                            activePos --;
                        }
                        if(that.pattern == 'scroll'){
                            picList.stop().animate({'margin-left': 0 - activePos * (that.lisWidth + 3)}, {duration: that.duration, easing: that.easing});
                        } else {
                            that.lis.stop().animate({opacity: 0}, {duration: that.duration, easing: that.easing});
                            that.lis.eq(activePos).stop().animate({opacity: 1}, {duration: that.duration, easing: that.easing});
                        }
                        slideNum.removeClass('active').eq(activePos).addClass('active');
                        var links = picList.find('a').eq(activePos);
                        that.title.html(links[0].title).attr('href', links[0].href);
                    }, playTime);
                    return that;
                },
                // 设置标题
                setTitle: function(){
                    var that = this;
                    that.oNum.width(that.numWidth + 2); // 设置数字按钮宽度
                    that.picList.width((that.lisWidth + 3) * that.size); // 设置图片容器总宽度
                    that.slideNum.first().addClass('active');
                    return that;
                },
                // 绑定数字按钮事件
                slideEvent: function(){
                    var that = this,
                            slideNum = that.slideNum;
                    slideNum.click(function(){
                        var thisNum = $(this).index();
                        if(that.pattern == 'scroll'){
                            that.picList.stop().animate({"margin-left":0 - thisNum * (that.lisWidth + 3)}, {duration:that.duration, easing:that.clickEasing});
                        } else {
                            that.lis.stop().animate({opacity: 0}, {duration: that.duration, easing: that.easing});
                            that.lis.eq(thisNum).stop().animate({opacity: 1}, {duration: that.duration, easing: that.easing});
                        }
                        slideNum.removeClass('active').eq(thisNum).addClass('active');
                        var links = that.picList.find('a').eq(thisNum);
                        that.title.html(links[0].title).attr('href', links[0].href);
                    });
                    // 鼠标到画面中任意位置，停止播放
                    that.me.hover(function(){
                        clearInterval(that.isPlay);
                    }, function(){
                        that.autoPlay();
                    })
                    return that;
                }
            };
            return this.each(function(){ // $(a,b) 方式调用
                slide.play(opts, $(this));
            });
        }
    })(jQuery);
    $('#slide2').UISlide();
    $('#slide').UISlide({
        playTime: 3000,
        duration: 1500,
        pattern: 'fade'
    });
</script>
</body>
</html>