【前端开发】bootstrap框架综合案例(1)

<!DOCTYPE html>
<html>

<head>
    <title>callio</title>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
    <link rel="stylesheet" type="text/css" href="css/style.css">
</head>

<body>
    <!-- 头部 -->
    <div class="contanier">
        <!-- 垂直居中 -->
        <div class="row justify-content-between">
            <a class="navbar-brand">
                <img src="img/logo.png">
            </a>
            <!-- 标题高亮 -->
            <nav class="navbar navbar-expand-lg navbar-light">
                <!-- 折叠菜单 -->
                <button class="navbar-toggler" type="button" data-toggle="collapse" data-target='#navToggler'>
				<span class="navbar-toggler-icon"></span>
			</button>
                <div class="collapse navbar-collapse" id="navToggler">
                    <ul class="navbar-nav mr-auto">
                        <li class="nav-item">
                            <a class="nav-link active">首页</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link dropdown-toggle" data-toggle="dropdown" href="#" role="button" aria-haspopup="true" aria-expanded="false">HTML/CSS</a>
                            <div class="dropdown-menu">
                                <a class="dropdown-item" href="#">HTML</a>
                                <a class="dropdown-item" href="#">CSS</a>
                                <div class="dropdown-divider"></div>
                                <a class="dropdown-item" href="#">HTML5</a>
                                <a class="dropdown-item" href="#">CSS3</a>
                            </div>

                        </li>
                        <li class="nav-item">
                            <a class="nav-link">JAVASCRIPT</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link">JQUERY</a>
                        </li>
                    </ul>
                </div>
            </nav>
        </div>
    </div>

    <!-- 轮播图 -->
    <div id="" class="carousel slide carousel-scale" data-ride="carousel">
        <div class="carousel-inner">
            <div class="carousel-item active">
                <img src="img/banner1.jpg" class="d-block w-100" alt="...">
            </div>
            <div class="carousel-item">
                <img src="img/banner2.jpg" class="d-block w-100" alt="...">
            </div>
        </div>
    </div>

    <!-- 列表展示 -->

    <section class="list">
        <div class="container">
            <div class="row">
                <div class="col-md-4 clo-sm-6 col-12">
                    <!--中屏以上显示3列,小屏显示2列,最小屏显示1列 -->
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service01.jpg">
                        </div>
                        <h2>HTML</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
                <div class="col-md-4 clo-sm-6 col-12">
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service02.jpg">
                        </div>
                        <h2>JAVASCRIPT</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
                <div class="col-md-4 clo-sm-6 col-12">
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service03.jpg">
                        </div>
                        <h2>MYSQL</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
                <div class="col-md-4 clo-sm-6 col-12">
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service04.jpg">
                        </div>
                        <h2>ES6</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
                <div class="col-md-4 clo-sm-6 col-12">
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service05.jpg">
                        </div>
                        <h2>PHP</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
                <div class="col-md-4 clo-sm-6 col-12">
                    <div class="item">
                        <div class="thumb">
                            <img src="img/service05.jpg">
                        </div>
                        <h2>VUE</h2>
                        <p>Lorem ipsum dolor sit amet, habitasse sollicitudin adipiscing nemo</p>
                        <a href="">更多</a>
                    </div>
                </div>
            </div>
        </div>
    </section>

    <section class="message">
        <div class="container">
            <div class="row">
                <div class="col-12 col-md-6 d-flex align-items-center description">
                    <!-- 以下内容要垂直对齐-->
                    <div class="row">
                        <h2 class="col-12">web前端</h2>
                        <p class="col-12">Web前端在IT行业真正受到重视大概也就六七年的时间。随着互联网的迅猛发展,各种互联网项目也不断兴起,对用户体验提出了更高的要求,前端开发也由此逐渐成为了重要的研发角色。从2012年至今,“Web前端工程师”的需求持续走高,薪酬也是水涨船高,所以,有不少人立志要成为前端开发工程师,但同时又担心Web前端开发到底还能热多久。</p>
                    </div>
                </div>
                <div class="col-12 col-md-6 form">
                    <h2>
                        <span>Service Form</span> Get Your Service
                    </h2>
                    <form>
                        <div class="form-group">
                            <!-- 表单控件组件 -->
                            <input type="text" class="form-control" placeholder="输入用户名">
                        </div>
                        <div class="form-group">
                            <input type="text" class="form-control" placeholder="输入用户名">
                        </div>
                        <div class="form-group">
                            <input type="text" class="form-control" placeholder="输入用户名">
                        </div>
                        <div class="form-group">
                            <select id="inputState" class="form-control">
					        <option selected>html</option>
					        <option>css</option>
					      </select>
                        </div>
                        <div class="form-group">
                            <button type="submit" class="form-control btn btn-primary">Sign in</button>
                        </div>
                    </form>
                </div>
            </div>
        </div>
    </section>

    <footer class="container-fruild bottom">
        版权
    </footer>
    <script type="text/javascript" src="js/jquery.min.js"></script>
    <script type="text/javascript" src="js/popper.min.js"></script>
    <script type="text/javascript" src="js/bootstrap.min.js"></script>
</body>

</html>
.carousel-scale .carousel-item img {
    transform: scale(1.12);
    /*放大到1.12倍*/
}

.carousel-scale .carousel-item.active img {
    animation: scaleUpDown 1s forwards cubic-bezier(0.250, 0.460, 0.450, 0.940);
    /*让动画保持最终状态*/
}

@keyframes scaleUpDown {
    from {
        transform: scale(1.12);
    }
    to {
        -webkit-transform: scale(1);
        transform: scale(1);
    }
}

.list {
    margin-top: 2rem;
}

.list .item {
    margin: 20px 10px;
    padding-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 20px;
    /*设置边框圆角,四个角都是20px*/
}

.list .item .thumb {
    overflow: hidden;
    margin-bottom: 1rem;
}

.list .item .thumb img {
    width: 100%;
    transition: all .8s;
}

.list .item:hover .thumb img {
    transform: scale(1.2);
}

.list .item h2,
.list .item p,
.list .item a {
    padding: 0 2rem;
}

.message {
    padding: 3rem 0;
    border-top: 1px solid #ccc;
}

.message .form {
    border: 1px solid #ccc;
    padding: 20px 30px;
    border-radius: 10px;
    background-color: #eee;
}

.message .form h2 {
    padding: 20px 0;
    text-align: center;
}

.message .form h2 span {
    display: block;
    font-size: 18px;
    font-weight: normal;
}

.description h2 {
    text-align: center;
    line-height: 70px;
}

.description p {
    line-height: 28px;
    text-indent: 2em;
    /* 文字首页缩进 */
}

.bottom {
    height: 6rem;
    line-height: 6rem;
    text-align: center;
    background-color: #333;
    color: #fff;
}
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