首页手记定位导航类似于途牛详情页

定位导航类似于途牛详情页

标签：

JQuery CSS3

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>定位导航练习</title>
    <style type="text/css">
    ul{margin: 0px;padding: 0px;}
    a{text-decoration: none;}
    ul li{list-style: none;}
        .imgs{height: 700px;width: 100%;background:#ddd;}

        #menu{text-align: center;background: #fff;}
        #menu ul li {
            margin:20px;
            display: inline-block;
        }
        #menu ul li a{padding: 10px;}
        #menu ul li a:hover,#menu ul li a.current{background: #eee;color: #000;}
        #content{
            width: 800px;margin: 0 auto;
        }
        .item{
            border: 1px solid #ccc;padding:20px;margin-top: 25px;
        }
        .item ul li{
            display: inline-block;margin: 2px;width: 32%;
        }
        h2{border-bottom: 2px solid #ddd;}
        .item ul li img{width: 100%;}
    </style>
    <script type="text/javascript" class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="jquery-1.9.1.min.js"></script>
    <script type="text/javascript">
        $(function() {
            $(window).scroll(function() {
                //获取滚动条到顶部的垂直高度
                var Top=$(document).scrollTop();
                //获取imgs的高度
                var imgsHeight=$('.imgs').height();
                //获取右侧导航元素
                var menu=$('#menu');
                //获取所有item元素  id选择器比class选择器速度要快
                var items=$('#content').find('.item');
                //定义一个变量，接收当前item的id
                var currentId='';
                //遍历循环items，获取每一个item的高度
                items.each(function() {

                    //定义一个变量存储this函数
                    var m=$(this);
                    //获取每一个item的高度
                    var itemheigh=m.offset().top;
                    //判断item高度和滚动条到顶部的高度
                    if(Top>itemheigh-200){
                        //如果滚动条到顶部的高度大于item高度，就给currentId赋值当前ID
                        currentId='#'+m.attr('id');
                    }
                });
                //判断滚动条到顶部的高度大于imgsHeight高度，就让menu距离顶部为0
                if(Top > imgsHeight){
                    menu.css({
                        position: 'fixed',
                        top: '0px',
                        left:'0px',
                        right:'0px'
                    });
                }else{
                    menu.css({
                        position: 'static'
                    });
                }
                //获取menu下的current样式
                var currentHref=menu.find('.current');
                //判断
                if(currentId && currentHref.attr('href')!=currentId)
                {
                    currentHref.removeClass('current');
                    menu.find('[href='+currentId+']').addClass('current');

                }
            });
        });
    </script>
</head>
<body>
<div class="imgs"></div>
    <div id="menu" >
        <ul>
            <li><a href="#item1" class="current">1F 男装</a></li>
            <li><a href="#item2">2F 女装</a></li>
            <li><a href="#item3">3F 美装</a></li>
            <li><a href="#item4">4F 鞋子</a></li>
            <li><a href="#item5">5F 厨具</a></li>
        </ul>
    </div>
    <div id="content">
    <h1>天狗购物网</h1>
        <div class="item" id="item1">
        <h2>1F 男装 </h2>
            <ul>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
            </ul>
        </div>
        <div class="item" id="item2">
        <h2>2F 女装 </h2>
            <ul>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
            </ul>
        </div>
        <div class="item" id="item3">
        <h2>3F 美装 </h2>
            <ul>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
            </ul>
        </div>
        <div class="item" id="item4">
        <h2>4F 鞋子</h2>
            <ul>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
            </ul>
        </div>
        <div class="item" id="item5">
        <h2>5F 厨具 </h2>
            <ul>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
                <li><a href=""><img class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="1.jpg" alt=""></a></li>
            </ul>
        </div>
    </div>
</body>
</html>

点击查看更多内容

为 TA 点赞

若觉得本文不错，就分享一下吧！

评论

评论

共同学习，写下你的评论

评论加载中...

展开查看更多评论

作者其他优质文章

正在加载中

红书包

Web前端工程师

手记
篇

粉丝

7

获赞与收藏

72

关注作者，订阅最新文章

阅读免费教程

CSS3 入门教程

34个小节 62214 728

后端通用面试教程

41个小节 30591 343

网络编程入门教程

20个小节 12566 237

推荐

评论

收藏

共同学习，写下你的评论



感谢您的支持，我会继续努力的～

扫码打赏，你说多少就多少

赞赏金额会直接到老师账户

支付方式

打开微信扫一扫，即可进行扫码打赏哦

今天注册有机会得

100积分直接送

付费专栏免费学

大额优惠券免费领

立即参与放弃机会

点击
抽奖

慕课手记新用户专享福利

恭喜你，你的运气太好了，居然抽中了 100个积分！

恭喜你，抽中了价值元的专栏！

太棒了，直接落到你账户里！

积分商城里的罗技鼠标、机械键盘、
Kindle 阅读器、小米平衡车
Apple iPad （10.2英寸）、大额优惠券
在等着你去兑换了噢

作者：

免费赠送

兑换码：1111222211 复制

优惠券可用于购买实战课、体系课
无门槛使用

先去看看，有什么好东西马上兑换我爱学习，选课去


热搜

最近搜索清空

定位导航 类似于途牛详情页

阅读免费教程

定位导航类似于途牛详情页