使用w3.css功能,我正在尝试编写一个HTML程序,在this教程的帮助下创建级联下拉菜单。
我的代码如下:
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<title>Query Control Panel</title>
</head>
<body>
<div class="w3-bar w3-black">
<a href="#" class="w3-bar-item w3-button">abc</a>
<div class="w3-dropdown-hover">
<button class="w3-button">dropdown-1</button>
<div class="w3-dropdown-content w3-card-4">
<div class="w3-bar w3-light-gray">
<div class="w3-dropdown-click">
<button class="w3-button">dropdown-2</button>
<div class="w3-dropdown-content w3-bar-block w3-card-4 w3-right">
<a href="#" class="w3-bar-item w3-button">link-1</a>
<a href="#" class="w3-bar-item w3-button">link-2</a>
</div>
</div>
</div>
<div class="w3-dropdown-click">
<button class="w3-button">dropdown-3</button>
<div class="w3-dropdown-content w3-bar-block w3-card-4 w3-left">
<a href="#" class="w3-bar-item w3-button">link-3</a>
<a href="#" class="w3-bar-item w3-button">link-4</a>
</div>
</div>
</div>
</div>
</div>
</body>
</html>
输出: 当我将鼠标悬停在下拉列表-1上时,分别位于下拉列表2和下拉列表3下的元素将显示为不悬停或单击。
所需输出: 当我将鼠标悬停在dropdown-1上时,会出现dropdown-2和dropdown-3。当我单击下拉菜单-2时,只有Link-1和Link-2才会出现。同样,对于下拉-3。
小提琴
请在此处找到fiddle
小提琴中使用的外部资源是: https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js 和 https://www.w3schools.com/w3css/4/w3.css
答案 0 :(得分:1)
我认为您正在尝试构建多级菜单,我创建了一个小提琴,看看this
<ul class="nav site-nav">
<li>
<a href=#>Lorem</a>
</li>
<!--
-->
<li>
<a href=#>Ipsum</a>
</li>
<!--
-->
<li class=flyout>
<a href=#>Dolor</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li>
<a href=#>Foo Bar</a>
</li>
<li>
<a href=#>Bar Baz</a>
</li>
<li class="flyout-alt">
<a href=#>Baz Foo</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li>
<a href=#>Foo Bar</a>
</li>
<li>
<a href=#>Bar Baz</a>
</li>
<li class="flyout-alt">
<a href=#>Baz Foo</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li class="flyout-alt">
<a href=#>Foo Bar</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li>
<a href=#>Bar Baz</a>
</li>
<li class="flyout-alt">
<a href=#>Baz Foo</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li>
<a href=#>Bar Baz</a>
</li>
<li>
<a href=#>Baz Foo</a>
</li>
<li>
<a href=#>Foo Bar</a>
</li>
</ul>
</li>
<li>
<a href=#>Foo Bar</a>
</li>
<li>
<a href=#>Foo Bar</a>
</li>
</ul>
</li>
<li>
<a href=#>Bar Baz</a>
</li>
<li class="flyout-alt">
<a href=#>Baz Foo</a>
<!-- Flyout -->
<ul class="flyout-content nav stacked">
<li>
<a href=#>Bar Baz</a>
</li>
<li>
<a href=#>Baz Foo</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</li>
</ul>