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Bootstrap下拉菜單樣式

 更新時間：2017年02月07日 15:13:24   作者：輕擾時光  
這篇文章主要為大家詳細介紹了Bootstrap下拉菜單樣式，具有一定的參考價值，感興趣的小伙伴們可以參考一下

本文實例為大家分享了Bootstrap下拉菜單的具體代碼，供大家參考，具體內容如下

<!doctype html>
<html>
<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</title>
  <link rel="stylesheet" href="css/bootstrap.css" />
</head>
<!--第1步:添加一個dropdown父級;
第2步:給button添加一個data-toggle="dropdown"屬性;
第3步:給ul添加一個class="dropdown-menu”.
 最好再給button添加一個dropdown-toggle的class屬性
-->
<body>
  <div class="container" style="margin-top:5px">
    <div class="row">
      <div class="dropdown">
        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown">學院課程 <span class="caret"></span></button><!--btn-default默認顏色-->
        <ul class="dropdown-menu">
          <li><a href="#">html</a></li>
          <li><a href="#">css</a></li>
          <li><a href="#">javascript</a></li>
          <li><a href="#">less</a></li>
          <li><a href="#">bootstrap</a></li>
        </ul>  
      </div>

    </div>
  </div>
  <script src="js/jquery-2.1.0.js"></script>
  <script src="js/bootstrap.js"></script>
</body>
</html>

效果圖：

Bootstrap下拉菜單的樣式：

<!doctype html>
<html>
<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</title>
 <link rel="stylesheet" href="css/bootstrap.css" rel="external nofollow" />
</head>
<body>
 <div class="container" style="margin-top:5px">
 <div class="row">
  <div class="col-lg-4">
  <div class="dropdown"> <!--在dropdown后面加上open使下拉列表默認展開;而pull-right使其右浮動并右對齊，改為dropup使箭頭朝上并向上展開-->
   <button class="btn btn-default dropdown-toggle btn-block" data-toggle="dropdown">學院課程 <span class="caret"></span></button><!--btn-block使按鈕撐滿整個父級-->
   <ul class="dropdown-menu">
   <li><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" >html</a></li>
   <li><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" >css</a></li>
   <li><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" >javascript</a></li>
   <li><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" >less</a></li>
   <li><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" >bootstrap</a></li>
   </ul> 
  </div>
  </div>
  <div class="col-lg-4">
  <div class="dropdown">
   <button class="btn btn-default dropdown-toggle" data-toggle="dropdown">學院課程 <span class="caret"></span></button>
   <ul class="dropdown-menu">
   <li class="dropdown-header"><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" >前端</a></li><!--dropdown-header是菜單里的標題，給li添加-->
   <li><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" >html</a></li>
   <li><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" >css</a></li>
   <li><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" >javascript</a></li>
   <li><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" >less</a></li>
   <li><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" >bootstrap</a></li>
   <li class="divider"><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" >html</a></li><!--divider是分隔線，給li添加-->
   <li class="dropdown-header text-center"><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" >后端</a></li><!--text-center讓內容居中-->
   <li><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" >php</a></li>
   <li><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" >java</a></li>
   <li class="disabled"><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" >.net</a></li><!--disabled使菜單不可選-->
   </ul> 
  </div>
  </div>
 </div>
 </div>
 <script src="js/jquery-2.1.0.js"></script>
 <script src="js/bootstrap.js"></script>
</body>
</html>

效果圖：

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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