<?php
$user = new User();
$message = new Message();
$m1 = $message->getMessage();
$privilege = new Privilege();
$role = $privilege->judge($user);
?>
<nav class="navbar navbar-default navbar-fixed-top">
<div class="container-fluid">
<div class="row">
<div class="col-md-10 col-md-offset-1">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="index.php"><i class="fa fa-leaf icon-leaf green"></i></a>
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav">
<li class="dropdown">
<a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">分布式课程<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="course.php">课程首页</a></li>
<li role="separator" class="divider"></li>
