我正在尝试使用bootstrap类放一个汉堡包按钮,但它只是不起作用,按钮不会出现在任何地方。
实际上,任何Glyphicons都在为我工作。我做错什么了吗?我是伪造进口的东西还是什么?
我希望有人能帮我解决这个问题。
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Home</title>
<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">
<link rel="stylesheet" type="text/css" href="projeto.css">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
</head>
<body>
<section>
<div id="pai" class="row">
<div class="col-xl-12 col-xl-10">
<nav>
<nav class="navbar-default">
<div class="container-fluid">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#navbar-collapse" 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>
</div>
</nav>
</nav>
</div>
</div>
</section>
答案 0 :(得分:4)
在bootstrap v4
中,班级icon-bar
不再存在。因此,在V4
中,您需要按如下方式编写或切换到bootstrap v3
。
Ref link
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" rel="stylesheet"/>
<nav class="navbar navbar-toggleable-md navbar-light bg-faded">
<button class="navbar-toggler navbar-toggler-left" type="button" data-toggle="collapse" data-target="#navbarNavAltMarkup" aria-controls="navbarNavAltMarkup" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavAltMarkup">
<div class="navbar-nav">
</div>
</div>
</nav>