详解bootstrap导航栏.nav与.navbar区别(4)

日期：2020-05-11 栏目：程序人生浏览：次

//注意：.navbar-brand是品牌logo；

窗口大于576的时候，显示为：

窗口小于576的时候，显示为：

四、导航栏加上form表单表示搜索框：【？？？？？】

代码如下：

<nav class="navbar navbar-expand-sm bg-dark navbar-dark fixed-top">
  <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="navbar-brand">
      <img src="" alt="logo" style="width:70px;height:30px;">
  </a>
  <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#collapsible">
    <span class="navbar-toggler-icon"></span>
  </button>
  <div class="collapse navbar-collapse" id="collapsible">
  <ul class="navbar-nav">
    <li class="nav-item active">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">link1</a>
    </li>
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">link1</a>
    </li>
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">link1</a>
    </li>
    <li class="nav-item">
      <a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="nav-link">link1</a>
    </li>  
  </ul>
  <form class="form-inline">
        <div class="input-group">
          <span class="input-group-addon">@</span>
          <input list="dl" type="text" class="form-control" placeholder="Search"/>
          <datalist id="dl">
            <option value="IE"></option>
            <option value="Firefox"></option>
            <option value="chrome"></option>
            <option value="safari"></option>
          </datalist>
        </div>
        
        <button class="btn btn-success" type="submit">search</button>
      </form>
</nav>

转载注明出处：http://www.heiqu.com/558.html

详解bootstrap导航栏.nav与.navbar区别(4)

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