2016-06-11 155 views
0

我复制了官方bootstrap nav男子的代码,但它不起作用。当我点击“下拉”按钮或“移动大小”中的“汉堡”菜单时,没有任何反应。bootstrap导航菜单不工作

这是代码:

<nav class="navbar navbar-default"> 
    <div class="container-fluid"> 
     <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="#">Brand</a> 
     </div> 
     <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
      <ul class="nav navbar-nav"> 
       <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li> 
       <li><a href="#">Link</a></li> 
       <li class="dropdown"> 
        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" 
         aria-expanded="false">Dropdown <span class="caret"></span></a> 
        <ul class="dropdown-menu"> 
         <li><a href="#">Action</a></li> 
         <li><a href="#">Another action</a></li> 
         <li><a href="#">Something else here</a></li> 
         <li role="separator" class="divider"></li> 
         <li><a href="#">Separated link</a></li> 
         <li role="separator" class="divider"></li> 
         <li><a href="#">One more separated link</a></li> 
        </ul> 
       </li> 
      </ul> 
      <form class="navbar-form navbar-left" role="search"> 
       <div class="form-group"> 
        <input type="text" class="form-control" placeholder="Search"> 
       </div> 
       <button type="submit" class="btn btn-default">Submit</button> 
      </form> 
      <ul class="nav navbar-nav navbar-right"> 
       <li><a href="#">Link</a></li> 
       <li class="dropdown"> 
        <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" 
         aria-expanded="false">Dropdown <span class="caret"></span></a> 
        <ul class="dropdown-menu"> 
         <li><a href="#">Action</a></li> 
         <li><a href="#">Another action</a></li> 
         <li><a href="#">Something else here</a></li> 
         <li role="separator" class="divider"></li> 
         <li><a href="#">Separated link</a></li> 
        </ul> 
       </li> 
      </ul> 
     </div> 
    </div> 
</nav> 

而且我添加了链接,引导这样的:

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous"> 

<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js" integrity="sha384-0mSbJDEHialfmuBBQP6A4Qrprq5OVfW37PRR3j5ELqxss1yVqOtnepnHVP9aJ7xS" crossorigin="anonymous"></script> 

回答

1

这是因为Bootstrap.js需要jQuery的工作。

<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script> 

制作河畔放置的jQuery 前引导

这里是你的代码+ jQuery的工作的jsfiddle:DEMO

1

我相信你缺少的jQuery。 尝试添加该

 <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>