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  • jQuery图片无缝滚动

    <!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">
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>jquery图片无缝滚动js代码ul./li结构,可重用 - 懒人建站</title>
    <meta name="keywords" content="jquery特效,JS代码,js特效代码大全,js特效广告代码,导航菜单代码" />
    <meta name="description" content="懒人建站为您提供-JS代码,js特效代码大全,js特效广告代码,下拉菜单,下拉菜单代码,导航菜单代码和基于jquery的各种特效与jquery插件。" />
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.2.6/jquery.min.js"></script>
    <script>
    //滚动
    (function($){
    
        $.fn.kxbdMarquee = function(options){
            var opts = $.extend({},$.fn.kxbdMarquee.defaults, options);
            
            return this.each(function(){
                var $marquee = $(this);//滚动元素容器
                var _scrollObj = $marquee.get(0);//滚动元素容器DOM
                var scrollW = $marquee.width();//滚动元素容器的宽度
                var scrollH = $marquee.height();//滚动元素容器的高度
                var $element = $marquee.children(); //滚动元素
                var $kids = $element.children();//滚动子元素
                var scrollSize=0;//滚动元素尺寸
                var _type = (opts.direction == 'left' || opts.direction == 'right') ? 1:0;//滚动类型,1左右,0上下
    
                //防止滚动子元素比滚动元素宽而取不到实际滚动子元素宽度
                $element.css(_type?'width':'height',10000);
                //获取滚动元素的尺寸
                if (opts.isEqual) {
                    scrollSize = $kids[_type?'outerWidth':'outerHeight']() * $kids.length;
                }else{
                    $kids.each(function(){
                        scrollSize += $(this)[_type?'outerWidth':'outerHeight']();
                    });
                }
                //滚动元素总尺寸小于容器尺寸,不滚动
                if (scrollSize<(_type?scrollW:scrollH)){scrollSize=scrollW*2;}  
                //克隆滚动子元素将其插入到滚动元素后,并设定滚动元素宽度
                $element.append($kids.clone()).css(_type?'width':'height',scrollSize*2);
                
                var numMoved = 0;
                function scrollFunc(){
                    var _dir = (opts.direction == 'left' || opts.direction == 'right') ? 'scrollLeft':'scrollTop';
                    if (opts.loop > 0) {
                        numMoved+=opts.scrollAmount;
                        if(numMoved>scrollSize*opts.loop){
                            _scrollObj[_dir] = 0;
                            return clearInterval(moveId);
                        } 
                    }
                    if(opts.direction == 'left' || opts.direction == 'up'){
                        var newPos = _scrollObj[_dir] + opts.scrollAmount;
                        if(newPos>=scrollSize){
                            newPos -= scrollSize;
                        }
                        _scrollObj[_dir] = newPos;
                    }else{
                        var newPos = _scrollObj[_dir] - opts.scrollAmount;
                        if(newPos<=0){
                            newPos += scrollSize;
                        }
                        _scrollObj[_dir] = newPos;
                    }
                };
                //滚动开始
                var moveId = setInterval(scrollFunc, opts.scrollDelay);
                //鼠标划过停止滚动
                $marquee.hover(
                    function(){
                        clearInterval(moveId);
                    },
                    function(){
                        clearInterval(moveId);
                        moveId = setInterval(scrollFunc, opts.scrollDelay);
                    }
                );
                
                //控制加速运动
                if(opts.controlBtn){
                    $.each(opts.controlBtn, function(i,val){
                        $(val).bind(opts.eventA,function(){
                            opts.direction = i;
                            opts.oldAmount = opts.scrollAmount;
                            opts.scrollAmount = opts.newAmount;
                        }).bind(opts.eventB,function(){
                            opts.scrollAmount = opts.oldAmount;
                        });
                    });
                }
            });
        };
        $.fn.kxbdMarquee.defaults = {
            isEqual:true,//所有滚动的元素长宽是否相等,true,false
            loop: 0,//循环滚动次数,0时无限
            direction: 'left',//滚动方向,'left','right','up','down'
            scrollAmount:1,//步长
            scrollDelay:40,//时长
            newAmount:3,//加速滚动的步长
            eventA:'mousedown',//鼠标事件,加速
            eventB:'mouseup'//鼠标事件,原速
        };
        
        $.fn.kxbdMarquee.setDefaults = function(settings) {
            $.extend( $.fn.kxbdMarquee.defaults, settings );
        };
        
    })(jQuery);
    
    </script>
    <style>
    a{ font-size:13px; color:#333333; text-decoration:none;}
    a:hover{color:red; text-decoration:underline;}
    img{ border:none;}
    
    .marquee {width:560px;height:260px;overflow:hidden;border:1px solid #333; margin-top:20px;}
    .marquee li{ display:inline; float:left; margin-right:12px;}
    .marquee li a{ width:230px; height:260px; display:block; float:left; text-align:center; font-size:14px;}
    .marquee li a:hove{ text-decoration:none;}
    .marquee li img {width:160px; height:160px;}
    .marquee li em{font-style: normal; height:24px; line-height:24px; display:block; margin-top:8px;}
    </style>
    </head>
    
    <body>
    <script type="text/javascript">
    $(document).ready(function(){
        $('.marquee').kxbdMarquee({
                direction:'left',
                eventA:'mouseenter',
                eventB:'mouseleave'
        });
    });
    </script> 
                
    <div class="marquee"> 
        <ul>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
        </ul>
    </div> 
    <div class="marquee"> 
        <ul>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a><em>google 404</em></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
        </ul>
    </div> 
    <div class="marquee"> 
        <ul>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
            <li> <a href="#"><img src="http://www.google.com/images/errors/robot.png" alt="google 404" /></a></li>
        </ul>
    </div> 
    
    <p>jquery图片无缝滚动js代码ul./li结构,可重用。</p>
    
    
    
    
    </body>
    </html>
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  • 原文地址:https://www.cnblogs.com/dying/p/3394529.html
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