html – 引导程序移动菜单100％
发布时间：2020-12-14 19:40:57 所属栏目：资源 来源：网络整理
导读：我有一个非常长的移动菜单,有4个菜单项,每个项目都有下拉菜单,第一个下拉菜单很长,当我在第一个下拉列表中滚动浏览导航时,我无法进入最后一个下拉列表在我的菜单中,除非我关闭第一个下拉列表,但我希望能够进入最后一个下拉列表,即使第一个下拉列表打开. 这是
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我有一个非常长的移动菜单,有4个菜单项,每个项目都有下拉菜单,第一个下拉菜单很长,当我在第一个下拉列表中滚动浏览导航时,我无法进入最后一个下拉列表在我的菜单中,除非我关闭第一个下拉列表,但我希望能够进入最后一个下拉列表,即使第一个下拉列表打开.
这是HTML .navbar-collapse {
height: 100vh;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/"><img src="~/Images/logo.png" class="img-responsive" /></a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option</a>
<div class="dropdown-menu dropdown-communities" role="menu">
<div class="row current-communities">
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
</div>
<hr class="current-communities-hr" />
<div class="row upcoming-communities">
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
</div>
</div>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
</ul>
</div>
</div>
</div>
我尝试过以下方法： .navbar-collapse {
height: 100vh;
}
但是当第一个打开时,我仍然无法进入最后一个下拉菜单. 解决方法
Bootstrap将绝对定位放在他们的.dropdown-menu类上.只需相对定位它就应该是金色的.请参阅代码段中的修改.
.dropdown-menu{
position:relative;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<style>
.navbar-collapse {
height: calc(100vh - 50px);
}
</style>
<div class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<div class="navbar-header">
<button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a class="navbar-brand" href="/"><img src="~/Images/logo.png" class="img-responsive" /></a>
</div>
<div class="navbar-collapse collapse">
<ul class="nav navbar-nav">
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option 1</a>
<div class="dropdown-menu dropdown-communities" role="menu">
<div class="row current-communities">
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
</div>
<hr class="current-communities-hr" />
<div class="row upcoming-communities">
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
<div class="col-md-4">
<h4>Option</h4>
<ul>
<li><a href="/Link/">Link</a></li>
</ul>
</div>
</div>
</div>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option 2</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option 3</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
<li class="dropdown">
<a class="dropdown-toggle" data-toggle="dropdown" href="#">Option 4</a>
<ul class="dropdown-menu" role="menu">
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
<li><a href="/Link/">Link</a></li>
</ul>
</li>
</ul>
</div>
</div>
</div>
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