Jquery制作--循环滚动列表

@charset "utf-8";
/* 简单reset */
body, ul, li {
    margin: 0;
    padding: 0;
}
body {
    font: 14px/24px Microsoft YaHei;
    color: #333;
}
ul { list-style: none; }
a {
    color: #333;
    outline: none;
    text-decoration: none;
}
a:hover { color: #2986dd; }
img { border: none; }
.clearfix:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}
.clear {
    display: block;
    clear: both;
    height: 0;
    font-size: 0;
    line-height: 0;
    content: ".";
    overflow: hidden;
}
.wrap {
    width: 900px;
    padding-top: 30px;
    margin: 0 auto;
}
.boxs {
    padding: 15px;
    margin: 0 auto 30px;
    background-color: #e4fbff;
}
.box01 { width: 870px; }
.box02 {
    float: left;
    width: 400px;
}
.box03 {
    float: right;
    width: 400px;
}
.box04 { width: 720px; }
/* 具体样式 ---------- */
/* 通用必需样式 */ /* PS：有些重要样式在js里先写好了，下面id容器、ul和li标签的样式比较重要 */ 
.autoBox {
    position: relative;
    margin: 0 auto;
    overflow: hidden;
}
.autoBox ul {
    position: absolute;
    list-style: none;
    z-index: 2;
}
/* 第一、四个列表 */ /* PS：左右滚动型列表需要css定义高度，li标签可以有margin值 */
#autoScroll01, #autoScroll04 {
    width: auto;
    height: 174px;
}
#autoScroll01 ul li, #autoScroll04 ul li {
    float: left;
    width: 128px;
    height: 168px;
    padding: 3px;
    margin: 0 5px;
    _display: inline;
}
#autoScroll01 li a, #autoScroll04 li a {
    display: block;
    padding: 3px;
    border: 1px solid #dbdbdb;
    box-shadow: 0 0 3px rgba(170, 223, 252, 0.5);
}
#autoScroll01 li a:hover, #autoScroll04 li a:hover {
    border-color: #71ddff;
    box-shadow: 0 0 3px rgba(77, 185, 245, .90);
}
#autoScroll01 li img, #autoScroll04 li img {
    display: block;
    width: 120px;
    height: 160px;
}
/* 第二、三个列表 */ /* PS：上下滚动型列表需要css定义宽度，li标签尽量不要设置margin值 */
#autoScroll02, #autoScroll03 {
    width: 100%;
    height: auto;
}
#autoScroll02 ul li {
    height: 30px;
    line-height: 30px;
    overflow: hidden;
}
#autoScroll03 ul li {
    height: 40px;
    line-height: 40px;
    overflow: hidden;
}
#autoScroll02 li a, #autoScroll03 li a {
    display: block;
    width: 100%;
    height: 24px;
    line-height: 24px;
    margin: 3px 0;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;
}
#autoScroll03 li a { margin: 8px 0; }

/** 
 *    Name   : 循环滚动列表 
 *  Author ：子纯
 *    Time   ：2015-12-15
 **/
 (function(jQuery){
     $.fn.autoScroll = function (o) {
        o = $.extend({                                    //设置默认参数 
            direction: ‘left‘,
            interval: null,
            speed: null,
            distance: null,                                
            liWidth: null,
            liHeight: null,                                   
            showNum: null
        },o || {});
        return this.each(function(){                    //回调开始
            var $ts = $(this),
                $ul = $ts.children("ul"),
                $li = $ul.children("li"),
                len = $li.length;
            if (o.direction == ‘up‘ || o.direction == ‘down‘ ){            //根据类型设置css
                $ts.css({ "width": "100%", "height": o.showNum * o.liHeight });
                $ul.css({ "width": "100%", "height": len * o.liHeight });
                $li.css({ "float": "none", "width": "100%", "height": o.liHeight, "margin": 0,"padding": 0 });
            };            
            if (o.direction == ‘left‘ || o.direction == ‘right‘ ){        //其实也可以在css里写好
                $ts.css({ "width": o.showNum * o.liWidth });
                $ul.css({ "width": len * o.liWidth });
                $li.css({ "float": "left" });
            };
            switch (o.direction){                                        //分四种情况，进行事件调用
                case ‘left‘: sroLeft();
                break;
                case ‘right‘:sroRight();
                break;
                case ‘up‘:      sroUp();
                break;
                case ‘down‘: sroDown();
                break;    
            };
            function sroLeft(){                                            //向左滚动事件
                $ul.css("left", 0);    
                var left;
                function leftMoving(){
                    var dis = -o.distance,
                        dif = -o.liWidth * (len - o.showNum);
                        left = parseFloat($ul.css("left"));
                    if (left <= dif){
                        $ul.css("left",0);
                        left = 0;
                        $ul.delay(o.interval);
                    };
                    var ltDis = left + dis;
                    if(ltDis <= dif){
                        ltDis = dif;
                    };
                    $ul.animate({"left":ltDis+"px"}, o.speed);
                };
                $ul.hover(                                                //鼠标移上、移下的阻止与恢复滚动
                    function(){
                        clearInterval(fnLeft);
                    },
                    function(){
                        fnLeft = setInterval(function(){leftMoving()}, o.interval);
                    }
                );
                fnLeft = setInterval(function(){leftMoving()}, o.interval);
            };
            function sroRight(){                                        //向右滚动事件
                $ul.css("right", 0);    
                var right;
                function rightMoving(){
                    var dis = -o.distance,
                        dif = -o.liWidth * (len - o.showNum);
                        right = parseFloat($ul.css("right"));
                    if (right <= dif){
                        $ul.css("right",0);
                        right = 0;
                        $ul.delay(o.interval);
                    };
                    var rtDis = right + dis;
                    if(rtDis <= dif){
                        rtDis = dif;
                    };
                    $ul.animate({"right":rtDis+"px"}, o.speed);
                };
                $ul.hover(
                    function(){
                        clearInterval(fnRight);
                    },
                    function(){
                        fnRight = setInterval(function(){rightMoving()}, o.interval);
                    }
                );
                fnRight = setInterval(function(){rightMoving()}, o.interval);
            };
            function sroUp(){                                            //向上滚动事件
                $ul.css("top", 0);
                var top;
                function upMoving(){
                    var dis = -o.distance,
                        dif = -o.liHeight * (len - o.showNum);
                        top =  parseFloat($ul.css("top"));
                    if (top <= dif){
                        $ul.css("top",0);
                        top = 0;
                        $ul.delay(o.interval);
                    };
                    var tpDis = top + dis;
                    if(tpDis <= dif){
                        tpDis = dif;
                    };
                    $ul.animate({"top":tpDis+"px"}, o.speed);
                };
                $ul.hover(
                    function(){
                        clearInterval(fnUp);
                    },
                    function(){
                        fnUp = setInterval(function(){upMoving()}, o.interval);
                    }
                );
                fnUp = setInterval(function(){upMoving()}, o.interval);
            };
            function sroDown(){                                            //向下滚动事件
                $ul.css("bottom",0);
                var bottom;
                function downMoving(){
                    var dis = -o.distance,
                        dif = -o.liHeight * (len - o.showNum);
                        bottom =  parseFloat($ul.css("bottom"));
                    if (bottom <= dif){
                        $ul.css("bottom",0);
                        bottom = 0;
                        $ul.delay(o.interval);
                    };
                    var bmDis = bottom + dis;
                    if(bmDis <= dif){
                        bmDis = dif;
                    };
                    $ul.animate({"bottom":bmDis+"px"}, o.speed);
                };
                $ul.hover(
                    function(){
                        clearInterval(fnDown);
                    },
                    function(){
                        fnDown = setInterval(function(){downMoving()}, o.interval);
                    }
                );
                fnDown = setInterval(function(){downMoving()}, o.interval);
            };
        });
    };
})(jQuery);