Bootstrap：汉堡菜单不会显示答案

【问题标题】：Bootstrap: hamburger menu wont showBootstrap：汉堡菜单不会显示
【发布时间】：2018-06-07 20:43:15
【问题描述】：

<div class="container-fluid border navbar-expand-lg" style="overflow:visible; background-color: #ffffff">
    <a href="#" class="nameBlock"> Vamsi Krishna Pappusetti</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="list" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button> 
    <ul class="nav justify-content-end" style="display: inline-flex;" id="list">    
        <li class="nav-item">
          <a class="nav-link " href="#">About Me</a>
        </li>
        <li class="nav">
          <a class="nav-link" href="contact.html">Contact</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="C:\Users\vpvam\BootcampClassFiles\Bootstrap-Portfolio\portfolio.html">Portfolio</a>
        </li>
    </ul>
</div>

// 为什么我最小化屏幕时我的“关于我”“联系方式”和“投资组合”不会压缩到汉堡菜单中？我从 Bootstrap 复制了按钮代码。 enter image description here

【问题讨论】：

标签： twitter-bootstrap hamburger-menu

【解决方案1】：

您需要指定navbar color scheme，否则切换图标将不会被设置样式。

您还有其他一些不一致之处。您可能想从 BS4 示例导航栏的副本重新开始，然后重试。在开始消除容器或覆盖样式之前设置菜单项。

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" integrity="sha384-WskhaSGFgHYWDcbwN70/dfYBj47jz9qbsMId/iRN3ewGhXQFZCSftd1LZCfmhktB" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js" integrity="sha384-ZMP7rVo3mIykV+2+9J3UJ46jBk0WLaUAdn689aCwoqbBJiSnjAK/l8WvCWPIPm49" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js" integrity="sha384-smHYKdLADwkXOn1EmN1qk/HfnUcbVRZyYmZ4qpPea6sjB/pTJ0euyQp0Mk8ck+5T" crossorigin="anonymous"></script>


<div class="container-fluid border navbar-expand-lg navbar-light" style="overflow:visible; background-color: #ffffff">
    <a href="#" class="nameBlock"> Vamsi Krishna Pappusetti</a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="list" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
    <span class="navbar-toggler-icon"></span>
  </button> 
    <ul class="nav justify-content-end" style="display: inline-flex;" id="list">    
        <li class="nav-item">
          <a class="nav-link " href="#">About Me</a>
        </li>
        <li class="nav">
          <a class="nav-link" href="contact.html">Contact</a>
        </li>
        <li class="nav-item">
          <a class="nav-link" href="C:\Users\vpvam\BootcampClassFiles\Bootstrap-Portfolio\portfolio.html">Portfolio</a>
        </li>
    </ul>
</div>

【讨论】：