我在我的Angular 4项目中使用ng-bootstrap:
<navbar class="navbar navbar-expand-lg navbar-dark bg-dark fixed-top">
<button aria-controls="navbarsDefault" aria-expanded="false" aria-label="Toggle navigation" class="navbar-toggler navbar-toggler-right" data-target="#navbarsDefault" data-toggle="collapse" type="button">
<span class="navbar-toggler-icon"></span>
</button>
<a class="navbar-brand" href="#">Navbar</a>
<div class="collapse navbar-collapse" id="navbarsDefault">
<ul class="navbar-nav mr-auto">
<li class="nav-item">
<a class="nav-link active" routerlink="/dashboard" routerlinkactive="active" ng-reflect-router-link="/dashboard" ng-reflect-router-link-active="active" href="/dashboard">Dashboard</a>
</li>
<li class="nav-item">
<a class="nav-link" routerlink="/program" routerlinkactive="active" ng-reflect-router-link="/program" ng-reflect-router-link-active="active" href="/program">Programm</a>
</li>
</ul>
</div>
</navbar>