如何使用JQuery实现电梯导航效果

蜗牛 互联网技术资讯 2022-07-25 172 0

今天小编给大家分享的是如何使用JQuery实现电梯导航效果,相信很多人都不太了解,为了让大家更加了解,所以给大家总结了以下内容,一起往下看吧。一定会有所收获的哦。

分享一个基于JQuery实现的电梯导航效果,效果如下: 

如何使用JQuery实现电梯导航效果  jquery 第1张

以下是代码实现:

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="utf-8" />
    <title>基于JQuery实现电梯导航特效</title>
    <style type="text/css">
        * {
            margin: 0;
            padding: 0;
            font-family: 'microsoft yahei';
        }
 
        #loutinav {
            width: 35px;
            position: fixed;
            top: 100px;
            left: 50px;
            border: 1px solid #ddd;
            display: none;
 
        }
 
        #loutinav ul li {
            width: 35px;
            height: 32px;
            border-bottom: 1px dotted #DDDDDD;
            list-style: none;
            font-size: 12px;
            text-align: center;
            position: relative;
            cursor: pointer;
            padding: 10px 0;
            background: #918888;
            color: #fff;
        }
 
        #loutinav ul li span {
            width: 35px;
            height: 32px;
            padding: 10px 0;
            position: absolute;
            top: 0;
            left: 0;
        }
 
        #loutinav ul li.last {
            background: #5e4a4a;
            color: #fff;
            border-bottom: 1px solid #ddd;
        }
 
        #loutinav ul li.active span {
            background: #c00;
            color: #fff;
            display: block;
        }
 
        #loutinav ul li:hover span {
            background: #c00;
            color: #fff;
            display: block;
        }
 
        #header {
            width: 1000px;
            height: 1000px;
            background: #cc6633;
            margin: 0 auto;
            font-size: 50px;
            line-height: 1000px;
            text-align: center;
            color: #000;
        }
 
        #main {
            width: 1000px;
            background: #66ff66;
            margin: 0 auto;
        }
 
        #main .louti {
            height: 600px;
            width: 1000px;
            font-size: 50px;
            color: #fff;
            font-weight: bold;
            text-align: center;
            line-height: 600px;
        }
 
        #footer {
            width: 1000px;
            height: 400px;
            background: red;
            margin: 0 auto;
            font-size: 50px;
            line-height: 400px;
            text-align: center;
            color: #000;
        }
    </style>
</head>
 
<body>
    <div id="loutinav">
        <ul>
            <li class="active">
                <span>享品质</span>
            </li>
            <li>
                <span>服饰美妆</span>
            </li>
            <li>
                <span>电脑数码</span>
            </li>
            <li>
                <span>3C运动</span>
            </li>
            <li>
                <span>爱吃</span>
            </li>
            <li>
                <span>母婴居家</span>
            </li>
            <li>
                <span>图书汽车</span>
            </li>
            <li>
                <span>虚拟</span>
            </li>
            <li>
                <span>还没逛够</span>
            </li>
            <li class="last">顶部</li>
        </ul>
    </div>
    <div id="header">
        向下滚动鼠标查看效果
    </div>
    <div id="main">
        <div class="louti" >
            享品质
        </div>
        <div class="louti" >
            服饰美妆
        </div>
        <div class="louti" >
            电脑数码
        </div>
        <div class="louti" >
            3C运动
        </div>
        <div class="louti" >
            爱吃
        </div>
        <div class="louti" >
            母婴居家
        </div>
        <div class="louti" >
            图书汽车
        </div>
        <div class="louti" >
            虚拟
        </div>
        <div class="louti" >
            还没逛够
        </div>
    </div>
    <div id="footer">
        网站底部
    </div>
    <script src="js/jquery-1.8.3.min.js"></script>
    <script>
        $(function () {
            $(window).on('scroll', function () {
                var $scroll = $(this).scrollTop();
                // 显示楼层标签
                if ($scroll >= 800) {
                    $('#loutinav').show();
                } else {
                    $('#loutinav').hide();
                }
 
                // 拖动滚轮,点亮对应的楼层标签
                $('.louti').each(function () {
                    var $loutitop = $('.louti').eq($(this).index()).offset().top + 400;
                    // 楼层的top大于滚动条的距离
                    if ($loutitop > $scroll) {
                        $('#loutinav li').removeClass('active');
                        $('#loutinav li').eq($(this).index()).addClass('active');
                        // 中断循环
                        return false;
                    }
                });
            });
 
            // 获取每个楼梯的offset().top,点击楼层让对应的内容模块移动到对应的位置  
            var $loutili = $('#loutinav li').not('.last');
            $loutili.on('click', function () {
                $(this).addClass('active').siblings('li').removeClass('active');
                var $loutitop = $('.louti').eq($(this).index()).offset().top;
                // 获取每个楼梯的offsetTop值
                // $('html,body')兼容问题body属于chrome
                $('html,body').animate({
                    scrollTop: $loutitop
                })
            });
 
            // 回到顶部
            $('.last').on('click', function () {
                // $('html,body')兼容问题body属于chrome
                $('html,body').animate({
                    scrollTop: 0
                })
            });
 
        })
    </script>
</body>
 
</html>

关于如何使用JQuery实现电梯导航效果就分享到这里了,希望以上内容可以对大家有一定的参考价值,可以学以致用。如果喜欢本篇文章,不妨把它分享出去让更多的人看到。

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