BootStrap学习(2)_下拉菜单&按钮组

2023-08-28 09:20:16

一、下拉菜单

1.基本下拉菜单

如需使用下列菜单，只需要在class .dropdown 内加上下拉菜单即可。下面的实例演示了基本的下拉菜单：

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

  <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"/>

<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

    <div class="dropdown">

   <button type="button" class="btn dropdown-toggle"

      data-toggle="dropdown">

      二手家电

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu">

      <li>

         <a href="#">冰箱</a>

      </li>

      <li>

         <a href="#">洗衣机</a>

      </li>

      <li>

         <a href="#">

            电视

         </a>

      </li>

      <li class="divider"></li>

      <li>

         <a href="#">热水器</a>

      </li>

   </ul>

</div>

</body>

</html>

效果图:

2.标题

您可以使用 class dropdown-header 向下拉菜单的标签区域添加标题

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

  <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"/>

<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

    <div class="dropdown">

   <button type="button" class="btn dropdown-toggle"

      data-toggle="dropdown">

      58二手市场

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu" >

      <li class="dropdown-header">二手电器(下拉菜单标题)</li>

        <li>

         <a   href="#">冰箱</a>

      </li>

      <li>

         <a href="#">洗衣机</a>

      </li>

      <li>

         <a href="#">

            电视

         </a>

      </li>

      <li class="divider"></li>

       <li class="dropdown-header">二手家私(下拉菜单标题)</li>

      <li>

         <a href="#">沙发</a>

      </li>

       <li>

         <a href="#">电脑桌</a>

      </li>

       <li>

         <a href="#">床</a>

      </li>

   </ul>

</div>

</body>

</html>

效果图:

二、按钮组

按钮组允许多个按钮被堆叠在同一行上。当你想要把按钮对齐在一起时，这就显得非常有用。

下面的表格总结了 Bootstrap 提供的使用按钮组的一些重要的 class：

1.基本的按钮组

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

  <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"/>

<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

   <div class="btn-group">

  <button type="button" class="btn btn-default">按钮 1</button>

  <button type="button" class="btn btn-default">按钮 2</button>

  <button type="button" class="btn btn-default">按钮 3</button>

</div>

</body>

</html>

效果:

2.按钮工具栏

class .btn-toolbar 的使用

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

    <title></title>

  <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet"/>

<script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

<script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

  <div class="btn-toolbar" role="toolbar">

  <div class="btn-group">

  <button type="button" class="btn btn-default">按钮 1</button>

  <button type="button" class="btn btn-default">按钮 2</button>

  <button type="button" class="btn btn-default">按钮 3</button>

 </div>

  <div class="btn-group">

  <button type="button" class="btn btn-default">按钮 4</button>

  <button type="button" class="btn btn-default">按钮 5</button>

  <button type="button" class="btn btn-default">按钮 6</button>

  </div>

  <div class="btn-group">

  <button type="button" class="btn btn-default">按钮 7</button>

  <button type="button" class="btn btn-default">按钮 8</button>

  <button type="button" class="btn btn-default">按钮 9</button>

  </div>

</div>

</body>

</html>

效果:

3.嵌套

在一个 .btn-group 内嵌套另一个 .btn-group 。当您向让下拉菜单与一系列按钮组合使用时，就会用到这个。

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" />

    <script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

    <script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

    <div class="btn-group">

        <button type="button" class="btn btn-default">按钮 1</button>

        <button type="button" class="btn btn-default">按钮 2</button>

        <div class="btn-group">

            <button type="button" class="btn btn-default dropdown-toggle"

                data-toggle="dropdown">

                二手家电

      <span class="caret"></span>

            </button>

            <ul class="dropdown-menu">

                <li><a href="#">冰箱</a></li>

                <li><a href="#">洗衣机</a></li>

            </ul>

        </div>

    </div>

</body>

</html>

效果:

4.垂直的按钮组

class .btn-group-vertical 的使用

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" />

    <script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

    <script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

    <div class="btn-group-vertical">

        <button type="button" class="btn btn-default">按钮 1</button>

        <button type="button" class="btn btn-default">按钮 2</button>

        <div class="btn-group-vertical">

            <button type="button" class="btn btn-default dropdown-toggle"

                data-toggle="dropdown">

                二手家电

      <span class="caret"></span>

            </button>

            <ul class="dropdown-menu">

                <li><a href="#">冰箱</a></li>

                <li><a href="#">洗衣机</a></li>

            </ul>

        </div>

    </div>

</body>

</html>

效果:

5.分割的按钮下拉菜单

分割的按钮下拉菜单使用与下拉菜单按钮大致相同的样式，但是对下拉菜单添加了原始的功能。分割按钮的左边是原始的功能，右边是显示下拉菜单的切换。

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" />

    <script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

    <script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body>

    <div class="btn-group">

   <button type="button" class="btn btn-default">默认</button>

   <button type="button" class="btn btn-default dropdown-toggle"

      data-toggle="dropdown">

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu" role="menu">

      <li><a href="#">功能1</a></li>

      <li><a href="#">功能2</a></li>

      <li><a href="#">其他功能</a></li>

      <li class="divider"></li>

      <li><a href="#">分离的链接</a></li>

   </ul>

</div>

<div class="btn-group">

   <button type="button" class="btn btn-primary">原始</button>

   <button type="button" class="btn btn-primary dropdown-toggle"

      data-toggle="dropdown">

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu" role="menu">

      <li><a href="#">功能1</a></li>

      <li><a href="#">功能2</a></li>

      <li><a href="#">其他功能</a></li>

      <li class="divider"></li>

      <li><a href="#">分离的链接</a></li>

   </ul>

</div>

</body>

</html>

效果:

6.按钮上拉菜单

菜单也可以往上拉伸的，只需要简单地向父 .btn-group 容器添加 .dropup 即可。

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

    <title></title>

    <link href="http://apps.bdimg.com/libs/bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" />

    <script src="http://apps.bdimg.com/libs/jquery/2.0.0/jquery.min.js"></script>

    <script src="http://apps.bdimg.com/libs/bootstrap/3.3.0/js/bootstrap.min.js"></script>

</head>

<body style="margin-top:200px;">

    <div class="btn-group">

   <button type="button" class="btn btn-default">默认</button>

   <button type="button" class="btn btn-default dropdown-toggle"

      data-toggle="dropdown">

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu" role="menu">

      <li><a href="#">功能1</a></li>

      <li><a href="#">功能2</a></li>

      <li><a href="#">其他功能</a></li>

      <li class="divider"></li>

      <li><a href="#">分离的链接</a></li>

   </ul>

</div>

<div class="btn-group dropup">

   <button type="button" class="btn btn-primary">原始</button>

   <button type="button" class="btn btn-primary dropdown-toggle"

      data-toggle="dropdown">

      <span class="caret"></span>

   </button>

   <ul class="dropdown-menu" role="menu">

      <li><a href="#">功能1</a></li>

      <li><a href="#">功能2</a></li>

      <li><a href="#">其他功能</a></li>

      <li class="divider"></li>

      <li><a href="#">分离的链接</a></li>

   </ul>

</div>

</body>

</html>

效果:

码农公寓