Bootstrap 4移动导航栏从左侧滑出 [英] Bootstrap 4 mobile nav bar slide from left

问题描述

我正在使用最新版本的引导程序.我自己尝试了各种各样的事情，之后我想我可能会在stackoverflow上找到一些东西.但是善良的东西没有得到.我是说它是如何工作的?

I am using the latest version of bootstrap. Kind of tried various things on my own and after that I thought I might find something on stackoverflow. But kind didn't get the thing. I mean how it works?

这是我的代码.我不会在此处添加任何自定义样式，因为它们实际上并不能很好地工作，反而会产生一些错误.

This is my code. I am not gonna add any custom style here since they didn't really work that well instead they created some error.

我也在 Bootstrap中查看了该帖子-如何从左向右滑动导航栏我从那里尝试了所有答案，但是对我来说不起作用.

I also checked this post also Bootstrap - How to slide nav bar from left instead from top I tried all the answer from there but it didn't work for me.

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous">

    <nav class="navbar navbar-toggleable-md navbar-inverse fixed-top bg-inverse">
	<button class="navbar-toggler navbar-toggler-right" type="button" data-toggle="collapse" data-target="#navbarCollapse" aria-controls="navbarCollapse" aria-expanded="false" aria-label="Toggle navigation">
	<span class="navbar-toggler-icon"></span>
	</button>
	<a class="navbar-brand" href="">Roknil Style</a>
	<div class="collapse navbar-collapse" id="navbarCollapse">
		<ul class="navbar-nav mr-auto">
			<li class="nav-item active">
				<a class="nav-link" href="#">Home</a>
			</li>
			<li class="nav-item">
				<a class="nav-link" href="#">Link</a>
			</li>
			<li class="nav-item">
				<a class="nav-link" href="#">About</a>
			</li>
		</ul>
		<form class="form-inline mt-2 mt-md-0">
		<input class="form-control mr-sm-2" type="text" placeholder="Search">
		<button class="btn btn-outline-success my-2 my-sm-0" type="submit">Search</button>
		</form>
	  </div>
    </nav>

<script src="https://code.jquery.com/jquery-3.1.1.slim.min.js" integrity="sha384-A7FZj7v+d/sdmMqp/nOQwliLvUsJfDHW+k9Omg/a/EheAdgtzNs3hpfag6Ed950n" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/tether/1.4.0/js/tether.min.js" integrity="sha384-DztdAPBWPRXSA/3eYEEUWrWCy7G5KFbe8fFjk5JAIxUYHKkDx6Qin1DkWx51bBrb" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/js/bootstrap.min.js" integrity="sha384-vBWWzlZJ8ea9aCX4pEW3rVHjgjt7zpkNpZk+02D9phzyeVkE+jo0ieGizqPLForn" crossorigin="anonymous"></script>

推荐答案

您可以像这样覆盖navbar-collapse的过渡样式...

You can override the transition styles for the navbar-collapse like this...

演示

@media (max-width: 768px) {
    .navbar-collapse {
        position: absolute;
        top: 54px;
        left: 0;
        padding-left: 15px;
        padding-right: 15px;
        padding-bottom: 15px;
        width: 100%;
    }
    .navbar-collapse.collapsing {
        height: auto;
        -webkit-transition: left 0.3s ease;
        -o-transition: left 0.3s ease;
        -moz-transition: left 0.3s ease;
        transition: left 0.3s ease;
        left: -100%;
    }
    .navbar-collapse.show {
        left: 0;
        -webkit-transition: left 0.3s ease-in;
        -o-transition: left 0.3s ease-in;
        -moz-transition: left 0.3s ease-in;
        transition: left 0.3s ease-in;
    }
}

演示-从右侧滑动
演示-从左侧滑动

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