Bootstrap按钮组嵌套、垂直排列、两端对齐

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <!-- 上述3个meta标签*必须*放在最前面,任何其他内容都*必须*跟随其后! -->
    <title>Bootstrap 101 Template</title>

    <!-- 1.加载Bootstrap层叠样式表 -->
    <link href="css/bootstrap.min.css" rel="stylesheet">

    <!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
    <!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
    <!--[if lt IE 9]>
      <script src="//cdn.bootcss.com/html5shiv/3.7.2/html5shiv.min.js"></script>
      <script src="//cdn.bootcss.com/respond.js/1.4.2/respond.min.js"></script>
    <![endif]-->
</head>
<body>
        <!-- 水平排列按钮组 -->
        <div class="btn-group">
        

            <button class="btn btn-default" type="button">1</button>
            <button class="btn btn-success" type="button">2</button>
            <button class="btn btn-warning" type="button">3</button>
            <!-- 嵌套,把下拉列表放在按钮组里,然后放入另一个按钮组 -->
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown
                    <span class="caret"></span>
                </button>
            
                <ul class="dropdown-menu">
                  <li><a href="#">Dropdown link</a></li>
                  <li><a href="#">Dropdown link</a></li>
                </ul>
            </div>

        </div>
        
        <hr>
        
        <!--垂直排列按钮组  -->
        <div class="btn-group-vertical">

            <button class="btn btn-default" type="button">1</button>
            <button class="btn btn-success" type="button">2</button>
            <button class="btn btn-warning" type="button">3</button>
    
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown
                    <span class="caret"></span>
                </button>
            
                <ul class="dropdown-menu">
                  <li><a href="#">Dropdown link</a></li>
                  <li><a href="#">Dropdown link</a></li>
                </ul>
            </div>

        </div>
        
        <hr>
        
        <!-- 两端对齐排列的按钮组 -->
        <div class="btn-group btn-group-justified" role="group" aria-label="...">
        
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default">Left</button>
            </div>
            
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default">Middle</button>
            </div>
            
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default">Right</button>
            </div>
            
            <div class="btn-group" role="group">
                <button type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">Dropdown
                    <span class="caret"></span>
                </button>
                <ul class="dropdown-menu">
                  <li><a href="#">Dropdown link</a></li>
                  <li><a href="#">Dropdown link</a></li>
                </ul>
            </div>
            
        </div>
        
        
        
    
        


</body>
</html>
<!-- 2.加载JQuery库 -->
<script src="../plugins/jquery-1.12.4.min.js"></script>
<!-- 3.加载Bootstrap核心js -->
<script src="js/bootstrap.min.js"></script>
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原文地址:https://www.cnblogs.com/sihuiming/p/5562557.html