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jQuery+css实现百度百科的页面导航效果

Posted in Javascript onDecember 16, 2014

这周不小心看到了百度百科的页面导航效果，感觉挺不错的，周末抽空写了下。

下图为导航部分的效果图：

jQuery+css实现百度百科的页面导航效果

css和图片都是抄百度的，可从百度百科下载。

具体的代码如下：

<!DOCTYPE html>

<html>

<head>

    <title></title>

    <meta charset="utf-8">

    <link rel="stylesheet" href="baidu.css">

    <style>

        * {

            margin: 0;

            padding: 0

        }
        .wrap {

            width: 1000px;

            overflow: hidden;

            margin: 0 auto;

        }
        .content {

            width: 780px;

            float: left;

        }
        .slide {

            width: 200px;

            float: right;

        }

    </style>

</head>

<body>

<div class="wrap">

<div class="content">

    <h2 class="headline-1">

        <a class="anchor-1" name="1"></a>

        <span class="headline-1-index">1</span>

        <span class="headline-content">part1</span>

    </h2>
    <div class="para">

        content1,content1

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="2"></a>

        <span class="headline-2-index">2</span>

        <span class="headline-content">part2</span>

    </h2>
    <div class="para">

        content2,content2

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="2-1"></a>

        <span class="headline-2-index">2-1</span>

        <span class="headline-content">part2-1</span>

    </h2>
    <div class="para">

        content2-1,content2-1

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="2-2"></a>

        <span class="headline-1-index">2-2</span>

        <span class="headline-content">part2-2</span>

    </h2>
    <div class="para">

        content2-2,content2-2

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="3"></a>

        <span class="headline-1-index">3</span>

        <span class="headline-content">part3</span>

    </h2>
    <div class="para3">

        content,content

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="4"></a>

        <span class="headline-1-index">4</span>

        <span class="headline-content">part4</span>

    </h2>
    <div class="para4">

        content,content

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="5"></a>

        <span class="headline-1-index">5</span>

        <span class="headline-content">part5</span>

    </h2>
    <div class="para">

        content5,content5

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="6"></a>

        <span class="headline-1-index">6</span>

        <span class="headline-content">part6</span>

    </h2>
    <div class="para">

        content6,content6

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="7"></a>

        <span class="headline-1-index">7</span>

        <span class="headline-content">part7</span>

    </h2>
    <div class="para">

        content7,content7

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="8"></a>

        <span class="headline-1-index">8</span>

        <span class="headline-content">part8</span>

    </h2>
    <div class="para">

        content8,content8

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="9"></a>

        <span class="headline-1-index">9</span>

        <span class="headline-content">part9</span>

    </h2>
    <div class="para">

        content9,content9

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="10"></a>

        <span class="headline-1-index">10</span>

        <span class="headline-content">part10</span>

    </h2>
    <div class="para">

        content10,content10

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="11"></a>

        <span class="headline-1-index">11</span>

        <span class="headline-content">part11</span>

    </h2>
    <div class="para">

        content11,content11

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="12"></a>

        <span class="headline-1-index">12</span>

        <span class="headline-content">part12</span>

    </h2>
    <div class="para">

        content12,content12

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="13"></a>

        <span class="headline-1-index">13</span>

        <span class="headline-content">part13</span>

    </h2>
    <div class="para">

        content13,content13

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="14"></a>

        <span class="headline-1-index">14</span>

        <span class="headline-content">part14</span>

    </h2>
    <div class="para">

        content14,content14

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

    </div>

    <h2 class="headline-1">

        <a class="anchor-1" name="15"></a>

        <span class="headline-1-index">15</span>

        <span class="headline-content">part15</span>

    </h2>
    <div class="para">

        content15,content15

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

        <br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br>

        bottom

    </div>

</div>

<div class="slide">

    <div id="sideToolbar" style="display: block; position: fixed;">

        <div id="sideCatalog" class="sideCatalogBg" style="visibility: visible;">

            <div id="sideCatalog-sidebar">

                <div class="sideCatalog-sidebar-top"></div>

                <div class="sideCatalog-sidebar-bottom"></div>

            </div>

            <div id="sideCatalog-updown" style="visibility: visible;">

                <div id="sideCatalog-up" class="sideCatalog-up-disable" title="向上翻页"></div>

                <div id="sideCatalog-down" class="sideCatalog-down-enable" title="向下翻页"></div>

            </div>

            <div id="sideCatalog-catalog">

                <dl style="width:175px;zoom:1">

                    <dd id="sideToolbar-item-0-1" class="sideCatalog-item2 heightlight">

                        <span class="sideCatalog-index1">1</span>

                        <a class="nslog:1026" onclick="return false;" title="part1" href="#1">part1</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-2" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">2</span>

                        <a class="nslog:1026" onclick="return false;" title="part2" href="#2">part2</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-2-1" class="sideCatalog-item2">

                        <span class="sideCatalog-index1">2-1</span>

                        <a class="nslog:1026" onclick="return false;" title="part2" href="#2-1">part2-1</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-2-2" class="sideCatalog-item2">

                        <span class="sideCatalog-index1">2-2</span>

                        <a class="nslog:1026" onclick="return false;" title="part2" href="#2-2">part2-2</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-3" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">3</span>

                        <a class="nslog:1026" onclick="return false;" title="part3" href="#3">part3</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-4" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">4</span>

                        <a class="nslog:1026" onclick="return false;" title="part4" href="#4">part4</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-5" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">5</span>

                        <a class="nslog:1026" onclick="return false;" title="part5" href="#5">part5</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-6" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">6</span>

                        <a class="nslog:1026" onclick="return false;" title="part6" href="#6">part6</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-7" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">7</span>

                        <a class="nslog:1026" onclick="return false;" title="part7" href="#7">part7</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-8" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">8</span>

                        <a class="nslog:1026" onclick="return false;" title="part8" href="#8">part8</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-9" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">9</span>

                        <a class="nslog:1026" onclick="return false;" title="part9" href="#9">part9</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-10" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">10</span>

                        <a class="nslog:1026" onclick="return false;" title="part10" href="#10">part10</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-11" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">11</span>

                        <a class="nslog:1026" onclick="return false;" title="part11" href="#11">part11</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-12" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">12</span>

                        <a class="nslog:1026" onclick="return false;" title="part12" href="#12">part12</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-13" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">13</span>

                        <a class="nslog:1026" onclick="return false;" title="part13" href="#13">part13</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-14" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">14</span>

                        <a class="nslog:1026" onclick="return false;" title="part14" href="#14">part14</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                    <dd id="sideToolbar-item-0-15" class="sideCatalog-item1">

                        <span class="sideCatalog-index1">15</span>

                        <a class="nslog:1026" onclick="return false;" title="part15" href="#15">part15</a>

                        <span class="sideCatalog-dot"></span>

                    </dd>

                </dl>

            </div>

        </div>

        <a id="sideCatalogBtn" class="" style="visibility: visible;" href="javascript:void(0);"></a>

        <a id="sideToolbar-up" style="visibility: visible;" title="返回顶部" href="javascript:void(0)"></a>

    </div>

</div>

</div>

<script type="text/javascript" src="../jquery-1.7.2.js"></script>

<script>

    var slideInnerHeight = $('#sideCatalog-catalog dl').height();

    var slideOutHeight = $('#sideCatalog-catalog').height();

    var enableTop = slideInnerHeight - slideOutHeight;

    var step = 50;

    //点击向上的按钮

    $('#sideCatalog-down').bind('click', function () {

        if ($(this).hasClass('sideCatalog-down-enable')) {

            if ((enableTop - Math.abs(parseInt($('#sideCatalog-catalog dl').css('top')))) > step) {

                $('#sideCatalog-catalog dl').stop().animate({'top': '-=' + step}, 'fast');

                $('#sideCatalog-up').removeClass('sideCatalog-up-disable').addClass('sideCatalog-up-enable');

            } else {

                $('#sideCatalog-catalog dl').stop().animate({'top': -enableTop}, 'fast');

                $(this).removeClass('sideCatalog-down-enable').addClass('sideCatalog-down-disable');

            }

        } else {

            return false;

        }

    })

    //点击向下的按钮

    $('#sideCatalog-up').bind('click', function () {

        if ($(this).hasClass('sideCatalog-up-enable')) {

            if (Math.abs(parseInt($('#sideCatalog-catalog dl').css('top'))) > step) {

                $('#sideCatalog-catalog dl').stop().animate({'top': '+=' + step}, 'fast');

                $('#sideCatalog-down').removeClass('sideCatalog-down-disable').addClass('sideCatalog-down-enable');

            } else {

                $('#sideCatalog-catalog dl').stop().animate({'top': '0'}, 'fast');

                $(this).removeClass('sideCatalog-up-enable').addClass('sideCatalog-up-disable');

            }

        } else {

            return false;

        }

    })
    //点击导航中的各个目录

    $('#sideCatalog-catalog dl').delegate('dd', 'click', function (e) {

        var index = $(this).index();

        scrollSlide($(this), index);

        var ddId = $(this).find('a').stop().attr('href').substring(1);

        var windowTop = $('a[name="' + ddId + '"]').offset().top;

        $('body,html').animate({scrollTop: windowTop}, 'fast');

        $(this).addClass('heightlight').siblings('dd').removeClass('heightlight');

    })
    //滚动页面，即滚动条滚动

    $(document).scroll(function () {

        var len = $('.headline-1').length;

        for (var i=len-1; i>=0; i--) {

            if ($(this).scrollTop() >= $('.headline-1').eq(i).offset().top - $('.headline-1').eq(i).height()) {

                var index = i;

                $('#sideCatalog-catalog dl dd').eq(index).addClass('heightlight').siblings('dd').removeClass('heightlight');

                scrollSlide($('#sideCatalog-catalog dl dd').eq(index), index);

                return false;

            } else {

                $('#sideCatalog-catalog dl dd').eq(0).addClass('heightlight').siblings('dd').removeClass('heightlight');

            }

        }

    })
    //导航的滚动，以及向上，向下按钮的显示隐藏

    function scrollSlide(that, index){

        if (index < 5) {

            $('#sideCatalog-catalog dl').stop().animate({'top': '0'}, 'fast');

            $('#sideCatalog-down').removeClass('sideCatalog-down-disable').addClass('sideCatalog-down-enable');

            $('#sideCatalog-up').removeClass('sideCatalog-up-enable').addClass('sideCatalog-up-disable');

        } else if (index > 11) {

            $('#sideCatalog-catalog dl').stop().animate({'top': -enableTop}, 'fast');

            $('#sideCatalog-down').removeClass('sideCatalog-down-enable').addClass('sideCatalog-down-disable');

            $('#sideCatalog-up').removeClass('sideCatalog-up-disable').addClass('sideCatalog-up-enable');

        } else {

            var dlTop = parseInt($('#sideCatalog-catalog dl').css('top')) + slideOutHeight / 2 - (that.offset().top - $(document).scrollTop());

            $('#sideCatalog-catalog dl').stop().animate({'top': dlTop}, 'fast');

            $('#sideCatalog-down').removeClass('sideCatalog-down-disable').addClass('sideCatalog-down-enable');

            $('#sideCatalog-up').removeClass('sideCatalog-up-disable').addClass('sideCatalog-up-enable');

        }

    }

</script>

</body>

</html>

大站就是有大站的风范，很多效果还都是他们先开始制作使用，小伙伴们可以经常去逛逛，很容易发现些好东西

jQuery+css实现百度百科的页面导航效果

- Author -

hebedich

声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。

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