Bootstrap 学习笔记 项目实战 响应式轮播图

  左右两个箭头可以随浏览器缩放进行移动 保持在图片中间

Html代码:

<!DOCTYPE html>
<html lang="zh-cn">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1, user-scalable=no">
    <title>项目实战</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
    <link rel="stylesheet" href="css/style.css">

</head>
<body>
    
    <!-- navbar-fixed-top 置顶在最上面 响应式导航栏-->
    <nav class="navbar navbar-default navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <!-- brand 商标品牌 -->
                <a href="#" class="navbar-brand logo">
                    <img src="img/logo.png" alt="企业俱乐部">
                </a>
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#navbar-collapse">
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
            </div>
            <!-- 缩小到一定程度 导航栏右侧内容消失 -->
            <div class="collapse navbar-collapse" id="navbar-collapse">
                <ul class="nav navbar-nav navbar-right">
                    <li class="active">
                        <a href="#"><span class="glyphicon glyphicon-home">首页</span></a>
                    </li>
                    <li>
                        <a href="#"><span class="glyphicon glyphicon-list">资讯</span></a>
                    </li>
                    <li>
                        <a href="#"><span class="glyphicon glyphicon-fire">案例</span></a>
                    </li>
                    <li>
                        <a href="#"><span class="glyphicon glyphicon-question-sign">关于</span></a>
                    </li>
                </ul>
            </div>
        </div>
    </nav>

    <!-- 响应式的轮播图 -->
    <div id="myCarousel" class="carousel slide">
        <ol class="carousel-indicators">
            <li data-target="#myCarousel" data-slide-to="0" class="active"></li>
            <li data-target="#myCarousel" data-slide-to="1"></li>
            <li data-target="#myCarousel" data-slide-to="2"></li>
        </ol>
        <!-- carousel-inner全部隐藏 -->
        <div class="carousel-inner">
            <!-- 第一个激活显示 -->
            <!-- 图片全部居中 -->
            <div class="item active" style="background-color: #223240">
                <img src="img/slide1.png" alt="第一张">
            </div>
            <div class="item" style="background-color: #F5E4DC">
                <img src="img/slide2.png" alt="第二张">
            </div>
            <div class="item" style="background-color: #DE2A2D">
                <img src="img/slide3.png" alt="第三张">
            </div>
        </div>
        <a href="#myCarousel" data-slide="prev" class="carousel-control left">&lsaquo;</a>
        <a href="#myCarousel" data-slide="next" class="carousel-control right">&rsaquo;</a>
    </div>

<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
<script type="text/JavaScript">
    $(function() {
        // 自动播放轮播
        $('#myCarousel').carousel({
            interval: 4000
        });
        // 设置 左右箭头垂直居中
        $('.carousel-control').css('line-height', $('.carousel-inner img').height() + 'px');
        $(window).resize(function() {
            // 三张图片轮播在哪张图片上那张就能取出值 其余2张 height = 0;
            var $height = $('.carousel-inner img').eq(0).height() ||
                          $('.carousel-inner img').eq(1).height() ||
                          $('.carousel-inner img').eq(2).height();

            $('.carousel-control').css('line-height', $height + 'px');
        });
    });
</script>
</body>
</html>

 CSS代码:

@charset "utf-8";

.logo {
    padding: 0;
}

#myCarousel {
    margin: 50px 0 0 0;
}

#navbar-collapse ul {
    margin-top: 0;
}

.carousel-inner img {
    margin: 0 auto;
}

.carousel-control {
    font-size: 100px;
}
原文地址:https://www.cnblogs.com/lixuchun/p/9168905.html