如何在Bootstrap中制作3级折叠菜单? [英] How to make a 3-level collapsing menu in Bootstrap?
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问题描述
我正在尝试为Bootstrap创建一个3级折叠的导航栏菜单,但是我无法打开第三级.
I am trying to make a 3-level collapsing navbar menu for Bootstrap, but I can't open the third level.
这是我拥有的两级菜单:
This is the two level menu which I have:
<link href="https://stackpath.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet"/>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
<div class="nav-collapse">
<ul class="nav">
<a class="brand" href="#">Present Ideas</a>
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Blog</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Help</a></li>
<li class="dropdown" id="accountmenu">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Account Settings<b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="#">Login</a></li>
<li><a href="#">Register</a></li>
<li class="divider"></li>
<li><a href="#">Logout</a></li>
</ul>
</li>
</ul>
<ul class="nav pull-right">
</ul>
</div>
<!--/.nav-collapse -->
</div>
</div>
</div>
我认为类似的方法会起作用:
I thought something like this would work:
<link href="https://stackpath.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet"/>
<div class="navbar navbar-fixed-top">
<div class="navbar-inner">
<div class="container">
<a class="btn btn-navbar" data-toggle="collapse" data-target=".nav-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</a>
<div class="nav-collapse">
<ul class="nav">
<li class="active"><a href="#">Home</a></li>
<li><a href="#">Blog</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Help</a></li>
<li class="dropdown" id="accountmenu">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Account Settings<b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="#">Login</a></li>
<li class="item-148 dropdown parent">
<a href="/about/learn-more">Learn more <b class="caret-right"></b></a>
<ul class="dropdown-menu">
<li class="item-149"><a href="/about/learn-more/the-software">The Software</a></li>
<li class="item-150"><a href="/about/learn-more/the-project">The Project</a></li>
<li class="item-151"><a href="/about/learn-more/the-leadership">The Leadership</a></li>
<li class="item-152"><a href="/about/learn-more/open-source-matters">Open Source Matters</a></li>
</ul>
</li>
<li class="divider"></li>
<li><a href="#">Logout</a></li>
</ul>
</li>
</ul>
<ul class="nav pull-right">
</ul>
</div>
<!--/.nav-collapse -->
</div>
</div>
</div>
但这是行不通的.
推荐答案
Bootstrap 2.3.x和更高版本支持dropdown-submenu
..
Bootstrap 2.3.x and later supports the dropdown-submenu
..
<ul class="dropdown-menu">
<li><a href="#">Login</a></li>
<li class="dropdown-submenu">
<a tabindex="-1" href="#">More options</a>
<ul class="dropdown-menu">
<li><a tabindex="-1" href="#">Second level</a></li>
<li><a href="#">Second level</a></li>
<li><a href="#">Second level</a></li>
</ul>
</li>
<li><a href="#">Logout</a></li>
</ul>
这篇关于如何在Bootstrap中制作3级折叠菜单?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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