7.3.4 按钮组嵌套下拉菜单
如果希望在按钮组中嵌套下拉菜单,则只要在按钮组容器中添加按钮式下拉菜单即可—也就是在.btn-group容器中再次放置.btn-group构建的下拉菜单。
程序示例
例如如下代码在按钮组中嵌套.btn-group构建的下拉菜单。
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| <!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<title> 按钮组嵌套下拉菜单 </title>
<link rel="stylesheet" href="../bootstrap/css/bootstrap.min.css">
<link rel="stylesheet" href="../bootstrap/css/bootstrap-theme.min.css">
</head>
<body>
<div class="container">
<div class="btn-group" role="group">
<button type="button" class="btn btn-primary">主页</button>
<button type="button" class="btn btn-primary">联系我们</button>
<div class="btn-group">
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdown1" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="true">
图书管理
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdown1">
<li><a href="#">新增图书</a></li>
<li><a href="#">修改图书</a></li>
<li><a href="#">删除图书</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">查找图书</a></li>
</ul>
</div>
<div class="btn-group">
<button class="btn btn-primary" type="button">作者管理</button>
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdown2" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="false">
<span class="caret"></span>
<span class="sr-only">打开作者管理</span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdown2">
<li><a href="#">添加作者</a></li>
<li><a href="#">修改作者</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">查找作者</a></li>
</ul>
</div>
</div>
</div>
<script type="text/javascript" src="../jquery-3.1.1.js"></script>
<script type="text/javascript" src="../bootstrap/js/bootstrap.min.js"></script>
</body>
</html>
|
垂直排列的按钮组嵌套按钮式下拉菜单
Bootstrap 支持垂直排列的按钮组,因此垂直排列的按钮组中也可嵌套按钮式下拉菜单,只要将按钮组的样式改为.btn-group-vertical即可。
注意:**在垂直排列的按钮组中嵌套按钮式下拉菜单时,不支持嵌套分裂式按钮下拉菜单**。
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| <!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1">
<title> 按钮组嵌套下拉菜单 </title>
<link rel="stylesheet" href="../bootstrap/css/bootstrap.min.css">
<link rel="stylesheet" href="../bootstrap/css/bootstrap-theme.min.css">
</head>
<body>
<div class="container">
<div class="btn-group-vertical" role="group">
<button type="button" class="btn btn-primary">主页</button>
<button type="button" class="btn btn-primary">联系我们</button>
<div class="btn-group">
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdown1" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="true">
图书管理
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdown1">
<li><a href="#">新增图书</a></li>
<li><a href="#">修改图书</a></li>
<li><a href="#">删除图书</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">查找图书</a></li>
</ul>
</div>
<div class="btn-group">
<button class="btn btn-primary dropdown-toggle" type="button" id="dropdown2" data-toggle="dropdown"
aria-haspopup="true" aria-expanded="true">
作者管理
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="dropdown2">
<li><a href="#">添加作者</a></li>
<li><a href="#">修改作者</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">查找作者</a></li>
</ul>
</div>
</div>
</div>
<script type="text/javascript" src="../jquery-3.1.1.js"></script>
<script type="text/javascript" src="../bootstrap/js/bootstrap.min.js"></script>
</body>
</html>
|