实现 Bootstrap 多级菜单

资讯来源:http://blog.fens.me/bootstrap-multilevel-navbar/

此处截取自原文

HTML:

<ul class="nav navbar-nav">
	<li class="active"><a href="#">Link</a></li>
	<li><a href="#">Link</a></li>
	<li class="dropdown">
		<a href="#" class="dropdown-toggle" data-toggle="dropdown">Multi Level <b class="caret"></b></a>
		<ul class="dropdown-menu menu-top">
			<li><a href="#">Level 1</a></li>
			<li class="dropdown-submenu"> <a tabindex="-1" href="#">More options</a>
				<ul class="dropdown-menu">
					<li><a tabindex="-1" href="#">Level 2</a></li>
					<li class="dropdown-submenu"> <a href="#">More..</a>
						<ul class="dropdown-menu">
							<li><a href="#">Level3</a></li>
						</ul>
					</li>
				</ul>
			</li>
		</ul>
	</li>
</ul>

CSS:

.dropdown:hover .menu-top {
    display: block;
}

.dropdown-submenu{
    position:relative;
}

.dropdown-submenu > .dropdown-menu{
    top:0;
    left:100%;
    margin-top:-6px;
    margin-left:-1px;
    -webkit-border-radius:0 6px 6px 6px;
    -moz-border-radius:0 6px 6px 6px;
    border-radius:0 6px 6px 6px;
}

.dropdown-submenu:hover > .dropdown-menu{
    display:block;
}

.dropdown-submenu > a:after{
    display:block;
    content:" ";
    float:right;
    width:0;
    height:0;
    border-color:transparent;
    border-style:solid;
    border-width:5px 0 5px 5px;
    border-left-color:#666;
    margin-top:5px;
    margin-right:-10px;
}

.dropdown-submenu:hover > a:after{
    border-left-color:#ffffff;
}

.dropdown-submenu .pull-left{
    float:none;
}

.dropdown-submenu.pull-left > .dropdown-menu{
    left:-100%;
    margin-left:10px;
    -webkit-border-radius:6px 0 6px 6px;
    -moz-border-radius:6px 0 6px 6px;
    border-radius:6px 0 6px 6px;
}

完整代码github:https://github.com/bsspirit/angular-navbar,同学可以根据需要自行下载。

关于原作者

  • 张丹(Conan), 程序员Java,R,PHP,Javascript
  • weibo:@Conan_Z
  • blog:?http://blog.fens.me
  • email: bsspirit@gmail.com

原作者二维码