引导程序按钮下拉菜单不位于按钮下方 [英] Bootstrap button dropdown not below button
问题描述
我在获取引导程序按钮下拉菜单以实际显示该按钮下方的下拉菜单时遇到问题.当前在另一个div下方显示它.在过去的几个小时中，我一直在尝试使其工作，但我做不到.
I am having issues with getting a bootstrap button dropdown to actually show the dropdown below the button. It currently shows it below another div. I have been trying to get it to work for the past couple of hours and I can't do it.
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<link href="css/style.css" rel="stylesheet" />
<script src="js/jquery.min.js"></script>
<script src="js/bootstrap.min.js"></script>
</head>
<body class="nav-md">
<div class="container body">
<div class="main_container">
<div class="col-md-3 left_col">
<div class="left_col scroll-view"> </div>
</div>
<!-- page content -->
<div class="right_col" role="main">
<div class="">
<div class="col-md-12 col-sm-12 col-xs-12">
<div class="x_panel">
<div class="x_content">
<div class="" data-example-id="togglable-tabs" role="tabpanel">
<ul class="nav nav-tabs bar_tabs" id="myTab" role="tablist">
<li class="active" role="presentation"> <a aria-expanded="true" data-toggle="tab" href="#tab_content1" id="home-tab" role="tab"><i class="fa fa-globe"></i> Tab 1</a></li>
</ul>
<div class="tab-content" id="myTabContent">
<div aria-labelledby="home-tab" class="tab-pane fade active in" id="tab_content1" role="tabpanel">
<div class="row">
<div id="saveloaddiv" style="float:right;display:inline-block;"> <button data-toggle="dropdown" class="btn btn-success dropdown-toggle btn-xs" type="button" aria-expanded="true">Success <span class="caret"></span>
</button>
<ul role="menu" class="dropdown-menu">
<li><a href="#">Action</a> </li>
<li><a href="#">Another action</a> </li>
<li><a href="#">Something else here</a> </li>
<li class="divider"></li>
<li><a href="#">Separated link</a> </li>
</ul>
</div>
</div>
<div class="clearfix"></div>
<div class="row">
<div class="col-md-12 col-sm-12 col-xs-12">
<div id="text">
<p>Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.</p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<!-- /page content -->
</div>
</div>
</body>
</html>
我正在为我的CSS和JS使用Twitter Bootstrap CDN.
I am using the twitter bootstrap cdn for my css and js.
我做了一个小提琴来说明问题: https://jsfiddle.net/rdawkins/f7m6cv7q/8/
I have made a fiddle to illustrate the problem: https://jsfiddle.net/rdawkins/f7m6cv7q/8/
推荐答案
解决方案的关键是 position:relative; .
将按钮和下拉菜单包装在 div 内，并将容器设置为 position:relative; .通过CSS将菜单放置在按钮下方.
Wrap the button and the dropdown menu inside a div, and make the container position: relative;. Place the menu via CSS under the button.
请参见更新的JSFiddle 和下面的其他代码.
See an updated JSFiddle and the extra code below.
HTML
<div class="dropdown-container"><!--Container wrapped around-->
<button data-toggle="dropdown" class="btn btn-success dropdown-toggle btn-xs" type="button" aria-expanded="true">Success <span class="caret"></span>
</button>
<ul role="menu" class="dropdown-menu">
<li><a href="#">Action</a> </li>
<li><a href="#">Another action</a> </li>
<li><a href="#">Something else here</a> </li>
<li class="divider"></li>
<li><a href="#">Separated link</a> </li>
</ul>
</div><!--Container closed-->
CSS
.dropdown-container {
position: relative;
}
.dropdown-menu {
position: absolute;
top: 100%; /* Bottom of button */
right: 0;
margin-left: -100px; /* More to the left */
}
这篇关于引导程序按钮下拉菜单不位于按钮下方的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
