Bootstrap基本组件学习笔记之按钮组(8)

2019-11-19 18:38:55

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按钮组允许多个按钮被堆叠在同一行上，实现起来非常简单。

0x01 基本用法

直接看下面的例子：

<!DOCTYPE html><html lang="zh-cn"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="../../css/bootstrap.min.css" rel="stylesheet"> <script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script> <script src="../../js/bootstrap.min.js"></script> <title>按钮组</title></head><body><div class="container"> <div class="col-lg-3">  <h3>水平排列</h3>  <div class="btn-group">   <button type="button" class="btn btn-default">Left</button>   <button type="button" class="btn btn-default">Middle</button>   <button type="button" class="btn btn-default">Right</button>  </div> </div> <div class="col-lg-3">  <h3>垂直排列</h3>  <div class="btn-group btn-group-vertical">   <button type="button" class="btn btn-default">Top</button>   <button type="button" class="btn btn-default">Middle</button>   <button type="button" class="btn btn-default">Bottom</button>  </div> </div> <div class="col-lg-3">  <h3>两端对齐</h3>  <div class="btn-group btn-group-justified">   <a href="#" class="btn btn-default">Left</a>   <a href="#" class="btn btn-default">Middle</a>   <a href="#" class="btn btn-default">Right</a>  </div> </div></div></body></html>

效果如下：

需要注意的是，两端对齐的样式只对a标签有效，对button无效。

0x02 嵌套下拉菜单

下面是一个按钮组嵌套下拉菜单的例子：

<!DOCTYPE html><html lang="zh-cn"><head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link href="../../css/bootstrap.min.css" rel="stylesheet"> <script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script> <script src="../../js/bootstrap.min.js"></script> <title>按钮嵌套下拉菜单</title></head><body><div class="container"> <div class="page-header"> <h3>按钮嵌套下拉菜单</h3> </div> <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> <a href="#" class="btn btn-default">超链接</a> <div class="btn-group">  <div class="dropdown">  <button type="button" class="btn btn-primary" data-toggle="dropdown">   下拉菜单   <span class="caret"></span>  </button>  <ul class="dropdown-menu">   <li class="active"><a href="#">菜单1</a></li>   <li><a href="#">菜单2</a></li>   <li class="divider"></li>   <li><a href="#">菜单3</a></li>   <li><a href="#">菜单4</a></li>  </ul>  </div> </div> <button type="button" class="btn btn-default">按钮3</button> </div></div></body></html>

效果如下：