Bab 7 Ikon Butang Menu Komponen_Kemahiran Javascript

//使用小图标
<i class="glyphicon glyphicon-star"></i>
<span class="glyphicon glyphicon-star"></span> 
//也可以结合按钮
<button class="btn btn-default btn-lg">
<span class="glyphicon glyphicon-star"></span>
</button>
<button class="btn btn-default btn">
<span class="glyphicon glyphicon-star"></span>
</button>
<button class="btn btn-default btn-sm">
<span class="glyphicon glyphicon-star"></span>
</button>
<button class="btn btn-default btn-xs">
<span class="glyphicon glyphicon-star"></span>
</button> 

//基本格式
<div class="dropdown">
<button class="btn btn-default" data-toggle="dropdown">
下拉菜单
<span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li>
<a href="#">首页</a>
</li>
<li>
<a href="#">资讯</a>
</li>
<li>
<a href="#">产品</a>
</li>
<li>
<a href="#">关于</a>
</li>
</ul>
</div> 

//设置向上触发
<div class="dropup"> 
//菜单项居右对齐，默认值是 dropdown-menu-left
<ul class="dropdown-menu dropdown-menu-right"> 
//设置菜单的标题，不要加超链接
<li class="dropdown-header">网站导航</li> 
//设置菜单的分割线
<li class="divider"></li> 
//设置菜单的禁用项
<li class="disabled"><a href="#">产品</a></li> 
//让菜单默认显示
<div class="dropdown open"> 

//基本格式
<div class="btn-group">
<button type="button" class="btn btn-default">
左
</button>
<button type="button" class="btn btn-default">
中
</button>
<button type="button" class="btn btn-default">
右
</button>
</div> 
//将多个按钮组整合起来便于管理
<div class="btn-toolbar">
<div class="btn-group">
<button type="button" class="btn btn-default">
左
</button>
<button type="button" class="btn btn-default">
中
</button>
<button type="button" class="btn btn-default">
右
</button>
</div>
<div class="btn-group">
<button type="button" class="btn btn-default">
</button>
<button type="button" class="btn btn-default">
</button>
<button type="button" class="btn btn-default">
</button>
</div>
</div> 
//设置按钮组大小
<div class="btn-group btn-group-lg">
<div class="btn-group>
<div class="btn-group btn-group-sm">
<div class="btn-group btn-group-xs"> 
//嵌套一个分组，比如下拉菜单
<div class="btn-group">
<button type="button" class="btn btn-default">
左
</button>
<button type="button" class="btn btn-default">
中
</button>
<button type="button" class="btn btn-default">
右
</button>
<div class="btn-group">
<button class="btn btn-default dropdown-toggle"
data-toggle="dropdown">
下拉菜单
<span class="caret"></span>
</button>
<ul class="dropdown-menu">
<li>
<a href="#">首页</a>
</li>
<li>
<a href="#">资讯</a>
</li>
<li>
<a href="#">产品</a>
</li>
<li>
<a href="#">关于</a>
</li>
</ul>
</div>
</div>