我有一行菜单选项卡，下面有一行面包屑。当屏幕折叠时，菜单选项卡行被右侧的汉堡包图标取代，这是正确的。然而，在 bootstrap 4.0.0 alpha 6 中，汉堡包图标掉落到面包屑行上，但在版本 4.1.3 中，它保持在自己的行中。 4.1.3 中有什么方法可以强制以前的行为吗？显示 2 行而不是 1 行是浪费空间，而且在小屏幕上这很烦人。这是一个代码片段:
<!DOCTYPE html>
<html xml:lang="en" lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Put hamburger icon onto breadcrumb line</title>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
</head>
<body>
<div class="container-fluid">
<h1>Put hamburger icon onto breadcrumb line</h1>
<nav class="navbar navbar-expand-md navbar-light">
<span class="navbar-brand"></span>
<button class="navbar-toggler" type="button" data-toggle="collapse"
data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarMenu">
<ul class="navbar-nav nav-tabs mr-auto">
<li class="nav-item">
<a class="nav-link" href="#">Tab #1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #2</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #3</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #4</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #5</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #6</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #7</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #8</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #9</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #10</a>
</li>
</ul>
</div>
</nav>
<nav class="breadcrumb">
<a class="breadcrumb-item" href="#">Crumb #1</a>
<span class="breadcrumb-item active">Crumb #2</span>
<span class="breadcrumb-item active">Crumb #3</span>
</nav>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js"> </script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js"> </script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js"> </script>
</body>
</html>最佳答案
这符合您的需求吗？
@media (max-width: 767px) {
.navbar .navbar-toggler {
position: absolute;
right: 5px;
bottom: -44px;
}
.breadcrumb {
padding-right: 66px !important;
}
}<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css">
<div class="container-fluid">
<h1>Put hamburger icon onto breadcrumb line</h1>
<nav class="navbar navbar-expand-md navbar-light">
<span class="navbar-brand"></span>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarMenu" aria-controls="navbarMenu" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarMenu">
<ul class="navbar-nav nav-tabs mr-auto">
<li class="nav-item">
<a class="nav-link" href="#">Tab #1</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #2</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #3</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #4</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #5</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #6</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #7</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #8</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #9</a>
</li>
<li class="nav-item">
<a class="nav-link" href="#">Tab #10</a>
</li>
</ul>
</div>
</nav>
<nav class="breadcrumb">
<a class="breadcrumb-item" href="#">Crumb #1</a>
<span class="breadcrumb-item active">Crumb #2</span>
<span class="breadcrumb-item active">Crumb #3</span>
</nav>
</div>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.3/umd/popper.min.js">
</script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/js/bootstrap.min.js">
</script>关于html - 如何将汉堡包图标放在下一行？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/52043763/