访问: https://jsfiddle.net/8tpm4z00/
<div class="container">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#myNavigation" aria-controls="myNavigation" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a href="#" class="navbar-brand">KP</a>
<div class="collapse navbar-collapse" id="myNavigation">
<div class="navbar-nav">
<a class="p-3 nav-item nav-link active " href="#">Home</a>
<a class="p-3 nav-item nav-link " href="#">About</a>
<a class="p-3 nav-item nav-link " href="#">Contact Me</a>
</div><!-- <div class="navbar-nav"> -->
</div><!-- <div class="collapse navbar-collapse"> -->
</div><!-- <div class="container"> -->
当菜单折叠以实现移动响应时,.navbar-toggler-icon
不会显示在导航栏切换按钮上。
我已经搜索了这个问题,并调整了jquery和bootstrap链接。通过将 jquery 链接放在引导 4 个链接上方。但这似乎行不通。外部库在我的HTML中以与jsfiddle相同的顺序链接。
更新:
navbar-inverse
B4 版本中不再可用,您可以改用navbar-dark
。
使用navbar-inverse bg-inverse
而不是.navbar-default
<section role="navigation">
<nav class="navbar navbar-inverse bg-inverse navbar-toggleable-sm fixed-top"><!-- navbar-inverse -->
<div class="container">
<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#myNavigation" aria-controls="myNavigation" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<a href="#" class="navbar-brand">KP</a>
<div class="collapse navbar-collapse" id="myNavigation">
<div class="navbar-nav">
<a class="p-3 nav-item nav-link active " href="#">Home</a>
<a class="p-3 nav-item nav-link " href="#">About</a>
<a class="p-3 nav-item nav-link " href="#">Contact Me</a>
</div><!-- <div class="navbar-nav"> -->
</div><!-- <div class="collapse navbar-collapse"> -->
</div><!-- <div class="container"> -->
</nav>
</section>
更新的小提琴
如果您使用 bootstrap 4 beta
:您只能在导航标记中添加导航栏深色类。
结果:
<nav class = "navbar navbar-expand-lg navbar-dark fixed-top navbar-default" role = "navigation">
<a class="navbar-brand" href="#">
<img class = "img-responsive logo" src = "~/Content/Images/ogo__160x36.png" alt = "" />
</a>
<button type = "button" class = "navbar-toggler" data-toggle = "collapse" data-target = "#menuPrincipal" aria-controls = "navbarNav" aria-expanded = "false" aria-label = "Toggle navigation ">
<span class = "navbar-toggler-icon"> </ span>
</button>
<div class="collapse navbar-collapse" ...>...</div>
</nav>
如果您不使用导航栏浅色或深色,请将背景图像IMG设置为.navbar-toggler-icon,如下所示
.navbar-toggler-icon {
background-image: url(data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000…p='round' stroke-miterlimit='10' d='M47h22M4 15h22M423h22'/%3e%3c/svg%3e);
}
或者使用字体中的 fa-bar
将导航栏黑暗用于导航栏逆和 bg-dark 而不是 bg-inverse
<nav class="navbar navbar-dark navbar-expand-md bg-dark ">