Bootstrap 组件中的导航条

先查看效果:

该导航条可以适应不同尺寸的页面(如手机屏幕、电脑屏幕)

Bootstrap 组件中的导航条 Bootstrap 组件中的导航条

实现:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Bootstrap 组件 -—— 导航条</title>
    <link href="./BootStrap_3.3.7_libs/css/bootstrap.min.css" rel="stylesheet">
    <script src="./jQuery/jquery-3.2.1.min.js"></script>
    <script src="./BootStrap_3.3.7_libs/js/bootstrap.min.js"></script>
</head>
<body>

<nav class="navbar navbar-inverse">
    <div class="container-fluid">
        <!-- Brand and toggle get grouped for better mobile display -->
        <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                <span class="sr-only">Toggle navigation</span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
                <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">首页</a>
        </div>

        <!-- Collect the nav links, forms, and other content for toggling -->
        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
            <ul class="nav navbar-nav">
                <li class="active"><a href="#">链接1 <span class="sr-only">(current)</span></a></li>
                <li><a href="#">链接2</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">下拉菜单1 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">下拉链接1</a></li>
                        <li><a href="#">下拉链接2</a></li>
                        <li><a href="#">下拉链接3</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">下拉链接3</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">下拉链接4</a></li>
                    </ul>
                </li>
            </ul>
            <ul class="nav navbar-nav navbar-right">
                <li><a href="#">链接</a></li>
                <li class="dropdown">
                    <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">下拉菜单2 <span class="caret"></span></a>
                    <ul class="dropdown-menu">
                        <li><a href="#">下拉链接1</a></li>
                        <li><a href="#">下拉链接2</a></li>
                        <li><a href="#">下拉链接3</a></li>
                        <li role="separator" class="divider"></li>
                        <li><a href="#">下拉链接4</a></li>
                    </ul>
                </li>
            </ul>
        </div><!-- /.navbar-collapse -->
    </div><!-- /.container-fluid -->
</nav>

</body>
</html>

详情请查看:BootStrap * 组件