首页 | 简单教程,简单编程

代码编辑器：

<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="/static/lib/bootstrap/4.0.0/css/bootstrap.min.css">
<script src="/static/lib/jquery/3.3.1/jquery.min.js"></script>
<script src="/static/lib/popper.js/1.12.9/umd/popper.min.js"></script>
<script src="/static/lib/bootstrap/4.0.0/js/bootstrap.min.js"></script>
<div class="container">
    <br/>
    <h1>导航栏的表单与按钮</h1>
    <nav class="navbar navbar-expand-sm bg-dark navbar-dark">
      <a class="navbar-brand" href="#">
        <img src="/static/icon/bootstrap_32x32.png" alt="Logo" style="width:32px;" />
      </a>
      <ul class="navbar-nav">
        <li class="nav-item">
          <a class="nav-link" href="#">首页</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="#">Python</a>
        </li>
        </li>
      </ul>
      <form class="form-inline">
    <input class="form-control" type="text" placeholder="请输入要搜索的内容">
    <button class="btn btn-success" type="submit">搜索</button>
  </form>
    </nav>
    <br/>
    
    <p>导航栏上可以添加表单,不过在 <form> 元素上添加 .form-inline 来排版输入框与按钮</p>
</div>

运行结果：