拉伸折叠导航栏中的按钮（引导程序）

，但我得到这个。

这有什么错我的代码？提前致谢。

<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
    <ul class="nav navbar-nav"> 
     <!-- home, scheduler, actions--> 
    </ul> 
    <a href="#" class="navbar-btn btn btn-default navbar-right"><span class="glyphicon glyphicon-log-in"></span> Sign in</a> 
</div>

来源

2015-11-05 Siberian Breaks

请添加Button CSS代码。 –

我没有使用CSS，只有Bootstrap类。 –

据我所知，你必须自己这样做的CSS。您可以使用btn-block类，但会在768px以上的宽度上对navbar产生不利影响。

见例1

但是，如果你调整你的导航栏结构，并添加另一个UL，并将它里面的按钮，你可以使用btn-block见实例2 见工作片段。

@media (max-width: 767px) { 
 
    .btn.btn-wide { 
 
    width: 100%; 
 
    } 
 
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> 
 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> 
 
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" /> 
 
<nav class="navbar navbar-default"> 
 
    <div class="container-fluid"> 
 
    <!-- 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="#">Brand</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="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> 
 
     <button type="button" class="btn btn-default navbar-btn navbar-right btn-wide"><span class="glyphicon glyphicon-log-in"></span> Sign in</button> 
 
    </div> 
 
    <!-- /.navbar-collapse --> 
 
    </div> 
 
    <!-- /.container-fluid --> 
 
</nav>

参见实施例2

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> 
 
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script> 
 
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" /> 
 
<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> 
 
     <ul class="nav navbar-nav navbar-right"> 
 
     <li> 
 
      <button type="button" class="btn btn-default navbar-btn btn-block"><span class="glyphicon glyphicon-log-in"></span> Sign in</button> 
 
     </li> 
 
     </ul> 
 
    </div> 
 
    </div> 
 
</nav>

来源

2015-11-05 11:16:04 vanburen

非常感谢你！ –

没问题，欢迎您！ – vanburen

试试这个：将BTN-LG

<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"> 
    <ul class="nav navbar-nav"> 
     <!-- home, scheduler, actions--> 
    </ul> 
    <a href="#" class="container navbar-btn btn btn-default btn-lg navbar-right"><span class="glyphicon glyphicon-log-in"></span> Sign in</a> 
</div>

来源

2015-11-05 11:12:31

谢谢，但它不起作用。它只是增加了一点按钮。 –

现在尝试添加class =“container”...我已经更新了代码 –

不起作用。 –

下面是更新的代码。沿现有类添加btn-block类。

<a href="#" class="navbar-btn btn btn-default navbar-right btn-block"><span class="glyphicon glyphicon-log-in"></span> Sign in</a>

来源

2015-11-05 11:20:06

拉伸折叠导航栏中的按钮（引导程序）

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