简单教程
提交运行
代码编辑器：
<!DOCTYPE htm> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet"> <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script> <script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> <nav class="navbar navbar-default" role="navigation"> <div class="container-fluid"> <div class="navbar-header"> <a class="navbar-brand" href="#">简单教程</a> </div> <div> <!--向左对齐--> <ul class="nav navbar-nav navbar-left"> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> 后端 <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="#">Java</a></li> <li><a href="#">Python</a></li> <li><a href="#">PHP</a></li> <li class="divider"></li> <li><a href="#">分离的链接</a></li> <li class="divider"></li> <li><a href="#">另一个分离的链接</a></li> </ul> </li> </ul> <form class="navbar-form navbar-left" role="search"> <button type="submit" class="btn btn-default"> 向左对齐-提交按钮 </button> </form> <p class="navbar-text navbar-left">向左对齐-文本</p> <!--向右对齐--> <ul class="nav navbar-nav navbar-right"> <li class="dropdown"> <a href="#" class="dropdown-toggle" data-toggle="dropdown"> 后端 <b class="caret"></b> </a> <ul class="dropdown-menu"> <li><a href="#">Java</a></li> <li><a href="#">Python</a></li> <li><a href="#">PHP</a></li> <li class="divider"></li> <li><a href="#">分离的链接</a></li> <li class="divider"></li> <li><a href="#">另一个分离的链接</a></li> </ul> </li> </ul> <form class="navbar-form navbar-right" role="search"> <button type="submit" class="btn btn-default"> 向右对齐-提交按钮 </button> </form> <p class="navbar-text navbar-right">向右对齐-文本</p> </div> </div> </nav>
运行结果：