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/ Bootstrap 下拉菜單
Bootstrap 下拉菜單
本章將重點介紹 Bootstrap 下拉菜單。下拉菜單是可切換的,是以列表格式顯示鏈接的上下文菜單。這可以通過與 下拉菜單(Dropdown) JavaScript 插件 的互動來實現(xiàn)。
如需使用下列菜單,只需要在 class .dropdown 內加上下拉菜單即可。下面的實例演示了基本的下拉菜單:
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 實例 - 下拉菜單(Dropdowns)</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">
主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
<html>
<head>
<title>Bootstrap 實例 - 下拉菜單(Dropdowns)</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">
主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
實例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 實例 - 下拉菜單(Dropdowns)</title> <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script> <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <div class="dropdown"> <button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown"> 主題 <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">Java</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)通信/網絡</a> </li> <li role="presentation" class="divider"></li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">分離的鏈接</a> </li> </ul> </div> </body> </html>
運行實例 ?
點擊 "運行實例" 按鈕查看在線實例
選項
對齊
通過向 .dropdown-menu 添加 class .pull-right 來向右對齊下拉菜單。下面的實例演示了這點:
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 實例 - 向右對齊下拉菜單</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu pull-right" role="menu"
aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
<html>
<head>
<title>Bootstrap 實例 - 向右對齊下拉菜單</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu pull-right" role="menu"
aria-labelledby="dropdownMenu1">
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
實例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 實例 - 向右對齊下拉菜單</title> <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script> <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <div class="dropdown"> <button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown">主題 <span class="caret"></span> </button> <ul class="dropdown-menu pull-right" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">Java</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)通信/網絡</a> </li> <li role="presentation" class="divider"></li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">分離的鏈接</a> </li> </ul> </div> </body> </html>
運行實例 ?
點擊 "運行實例" 按鈕查看在線實例
標題
您可以使用 class dropdown-header 向下拉菜單的標簽區(qū)域添加標題。下面的實例演示了這點:
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 實例 - 下拉菜單標題</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">
主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation" class="dropdown-header">下拉菜單標題</li>
<li role="presentation" >
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation" class="dropdown-header">下拉菜單標題</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
<html>
<head>
<title>Bootstrap 實例 - 下拉菜單標題</title>
<link href="http://libs.baidu.com/bootstrap/3.0.3/css/bootstrap.min.css" rel="stylesheet">
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script src="http://libs.baidu.com/bootstrap/3.0.3/js/bootstrap.min.js"></script></head>
<body>
<div class="dropdown">
<button type="button" class="btn dropdown-toggle" id="dropdownMenu1"
data-toggle="dropdown">
主題
<span class="caret"></span>
</button>
<ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
<li role="presentation" class="dropdown-header">下拉菜單標題</li>
<li role="presentation" >
<a role="menuitem" tabindex="-1" href="#">Java</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a>
</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">
數(shù)據(jù)通信/網絡
</a>
</li>
<li role="presentation" class="divider"></li>
<li role="presentation" class="dropdown-header">下拉菜單標題</li>
<li role="presentation">
<a role="menuitem" tabindex="-1" href="#">分離的鏈接</a>
</li>
</ul>
</div>
</body>
</html>
實例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Bootstrap 實例 - 下拉菜單標題</title> <link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css"> <script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script> <script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <body> <div class="dropdown"> <button type="button" class="btn dropdown-toggle" id="dropdownMenu1" data-toggle="dropdown"> 主題 <span class="caret"></span> </button> <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1"> <li role="presentation" class="dropdown-header">下拉菜單標題</li> <li role="presentation" > <a role="menuitem" tabindex="-1" href="#">Java</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">數(shù)據(jù)挖掘</a> </li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#"> 數(shù)據(jù)通信/網絡 </a> </li> <li role="presentation" class="divider"></li> <li role="presentation" class="dropdown-header">下拉菜單標題</li> <li role="presentation"> <a role="menuitem" tabindex="-1" href="#">分離的鏈接</a> </li> </ul> </div> </body> </html>
運行實例 ?
點擊 "運行實例" 按鈕查看在線實例