Implement the drop-down menu items and form navigation bar (two menu items, one drop-down menu and login form navigation bar) based on Bootstrap, And the bootstrap drop-down menu
As follows:
The implementation code is as follows:
<!DOCTYPE html>
<html lang="zh-cn">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
< title > navigation bar < / Title >
<link rel="stylesheet" href=" //netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
</head>
<body>
<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#menu">
<span class="sr-only"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
A management system</a>
</div>
<div class="collapase navbar-collapse" id="menu">
<ul class="nav navbar-nav">
< Li class = "active" ></a></li>
<li class="dropdown">
<a href="#" data-toggle="dropdown" role="button">
function
<span class="caret"></span>
</a>
<ul class="dropdown-menu">
< Li class = "dropdown header" > business function</li>
<li>< a href = "ා" > information creation</a></li>
<li>Information query</a></li>
<li>Information management</a></li>
<li role="separetor" class="divider"></li>
< Li class = "dropdown header" > system functions</li>
<li>< a href = "ා" > Settings</a></li>
</ul>
</li>
<li>< a href = "ා" > help</a></li>
</ul>
<form class="navbar-form navbar-right">
<div class="form-group">
<input type="text" class="form-control" placeholder="username">
<input type="text" class="form-control" placeholder="password">
< button type = "button" class = "BTN BTN default" > log in < / button >
</div>
</form>
</div>
</div>
</nav>
<script src="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
</body>
</html>
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