【问题标题】:Collapse 2nd navbar links to 1st navbar折叠第二个导航栏链接到第一个导航栏
【发布时间】:2021-06-04 04:12:14
【问题描述】:

我有两个导航栏(不确定是否需要两个)...顶部导航栏包含徽标和购物车链接,下方导航栏包含链接。折叠时,我希望下部导航栏折叠到顶部导航栏中,以便仅顶部导航栏保留左侧的汉堡包(链接),中间的徽标和右侧的购物车。

下面的代码不起作用。折叠时,第二个导航栏消失,购物车向左侧移动,没有折叠汉堡。提前感谢您的帮助。

<!DOCTYPE html>
<html lang="en">
<head>
<title>Collapse</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1   /css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
<style>
.second-navbar{
top:50px;
text-align:center;
border-bottom-width:2px;
z-index:1000;
height: 40px; 
}

.second-container{
padding-left:0px;
padding-right:0px;
}
.navbar-brand {
transform: translateX(-50%);
left: 50%;
position: absolute;
}
.navbar .navbar-nav {
display: inline-block;
float: none;
vertical-align: top;
}

.navbar .navbar-collapse {
text-align: center;
}
</style>
</head>
<body>
<nav class="navbar navbar-default">
<div class="container-fluid">
<a class="navbar-brand" href="#">LOGO</a>
   <ul class="nav navbar-nav navbar-right">
     <li>
        <a href='#' class="glyphicon glyphicon-shopping-cart" style="font-size:24px;z-index:150;position:relative;float:right;"></a>
     </li>
   </ul>

<div class="navbar navbar-header">
  <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#myNavbar" style="float:left;">
    <span class="icon-bar"></span>
    <span class="icon-bar"></span>
    <span class="icon-bar"></span>                        
  </button>
  
</div>
</div>
</nav>

<nav class="navbar navbar-default navbar-fixed-top second-navbar">
<div class="container-fluid">
  <div class="collapse navbar-collapse" id="myNavbar">
    <ul class="nav navbar-nav navbar-right">
      <li><a href="#link1">LINK1</a></li>
      <li><a href="#link2">LINK2</a></li>
      <li><a href="#link3">LINK3</a></li>
      <li><a href="#link4">LINK4</a></li>
    </ul>
  </div>
</div>  
</nav>

</body>
</html>

【问题讨论】:

    标签: twitter-bootstrap twitter-bootstrap-3 navbar


    【解决方案1】:

    您可以使用一个导航栏,而不是使用两个导航栏,然后将带有购物车和徽标的部分设为全宽,将navbar-collapse 推送到自己的行。

    要获取左侧的切换按钮和右侧的购物车,您可以使用pull-left-right

    .navbar-center {
        transform: translateX(-50%);
        left: 50%;
        position: absolute;
    }
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css" rel="stylesheet"/>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
    
    
    <nav class="navbar navbar-default">
        <div class="container-fluid">
            <!-- Brand and toggle get grouped for better mobile display -->
            <div class="navbar-header" style="width: 100%;">
                <button type="button" class="navbar-toggle collapsed pull-left" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false" style="margin-left: 1rem">
                    <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 navbar-center" href="#">LOGO</a>
                <a href="#" class="navbar-brand pull-right" style="font-size:24px;"><span class="glyphicon glyphicon-shopping-cart""></span><span class=" sr-only">Shopping cart</span></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 navbar-right">
                    <li class="active"><a href="#">Link 1</a></li>
                    <li><a href="#">Link 2</a></li>
                    <li><a href="#">Link 3</a></li>
                    <li><a href="#">Link 4</a></li>
                </ul>
            </div><!-- /.navbar-collapse -->
        </div><!-- /.container-fluid -->
    </nav>

    为了得到中间的标志,我添加了一个特殊的类。

    【讨论】:

    • 完美。谢谢。
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