Bootstrap下拉单学习
2016-01-22 09:51
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<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown">
主题
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">Node.js</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">数据挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">
数据通信/网络
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">分离的链接</a>
</li>
</ul>
</div>
</body>
</html>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
...
<li role="presentation" class="dropdown-header">Dropdown header</li>
...
</ul>
完整代码：
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown" aria-expanded="true">
Dropdown<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
<li role="presentation" class="dropdown-header">Dropdown header</li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Something else here</a></li>
<li role="presentation" class="dropdown-header">Dropdown header</li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Separated link</a></li>
</ul>
</div>
</body>
</html>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
...
<li role="presentation" class="divider"></li>
...
</ul>
完整代码:
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuDivider" data-toggle="dropdown" aria-expanded="true">
Dropdown
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Something else here</a></li>
<li role="presentation" class="divider"></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Separated link</a></li>
</ul>
</div>
</body>
</html>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
<li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>
</ul>
完整代码：
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix"><button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu4" data-toggle="dropdown" aria-expanded="true">Dropdown<span class="caret"></span></button><ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4"><li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Regular link</a></li><li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Disabled link</a></li><li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another link</a></li></ul></div>
</body>
</html>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown">
主题
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">Node.js</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">数据挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">
数据通信/网络
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="javascript:void(0)">分离的链接</a>
</li>
</ul>
</div>
</body>
</html>
标题
在任何下拉菜单中均可通过添加标题来标明一组动作。<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu2">
...
<li role="presentation" class="dropdown-header">Dropdown header</li>
...
</ul>
完整代码：
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu3" data-toggle="dropdown" aria-expanded="true">
Dropdown<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu3">
<li role="presentation" class="dropdown-header">Dropdown header</li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Something else here</a></li>
<li role="presentation" class="dropdown-header">Dropdown header</li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Separated link</a></li>
</ul>
</div>
</body>
</html>
分割线
为下拉菜单添加一条分割线，用于将多个链接分组。<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
...
<li role="presentation" class="divider"></li>
...
</ul>
完整代码:
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix">
<button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenuDivider" data-toggle="dropdown" aria-expanded="true">
Dropdown
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenuDivider">
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another action</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Something else here</a></li>
<li role="presentation" class="divider"></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Separated link</a></li>
</ul>
</div>
</body>
</html>
禁用的菜单项
为下拉菜单中的 <li> 元素添加 .disabled 类，从而禁用相应的菜单项。<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4">
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Regular link</a></li>
<li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="#">Disabled link</a></li>
<li role="presentation"><a role="menuitem" tabindex="-1" href="#">Another link</a></li>
</ul>
完整代码：
<!DOCTYPE HTML>
<html>
<head>
<link rel="stylesheet" href="/stylesheets/bootstrap.min.css">
<script src="/scripts/jquery.min.js"></script>
<script src="/scripts/bootstrap.min.js"></script>
</head>
<body>
<div class="dropdown clearfix"><button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu4" data-toggle="dropdown" aria-expanded="true">Dropdown<span class="caret"></span></button><ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu4"><li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Regular link</a></li><li role="presentation" class="disabled"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Disabled link</a></li><li role="presentation"><a role="menuitem" tabindex="-1" href="javascript:void(0)">Another link</a></li></ul></div>
</body>
</html>
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