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html - 带有按钮的可扩展目录

转载 作者:行者123 更新时间:2023-11-28 01:14:20 25 4
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我试图设计一个可扩展的目录。以下 CSS + HTML 在单击文本部分时显示隐藏的列表项:

CSS:

#droplist, .show {display: none; }  
.hide:focus + .show {display: inline; }
.hide:focus { display: none; }
.hide:focus ~ #droplist { display:block; }

HTML:

<div style="padding-left:40px">
<a href="#">1. Stuff</a><a href="#" class="hide"> [+]</a> <a href="#" class="show">[-]</a>
<ul id="droplist" style="margin-top: 4px">
<li><a href="#">1.1 Object 1</a></li>
<li><a href="#Lnk">1.2 Object 2</a></li>
</ul>
</div>

但是,此列表仅限于单个嵌套;如果我要从对象 2 进一步扩展,我需要添加额外的填充。

下面的代码无法调用下拉列表:

<ul>
<li><a href="#">1. Stuff</a><a href="#" class="hide"> [+]</a> <a href="#" class="show">[-]</a></li>
<ul id="droplist" style="margin-top: 4px">
<li><a href="#">1.1 Object 1</a></li>
<li><a href="#Lnk">1.2 Object 2</a></li>
</ul>
</ul>

如何在保持“按钮”功能的同时保持列表格式? JSFiddle:http://jsfiddle.net/N79nP/463/

感谢您的帮助。

最佳答案

在您的代码中,将第一个 ul 标记的 li 标记放在列表的末尾,如下所示。它会解决您的问题。

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Test</title>
<style type="text/css">
ul {list-style: none;}
li {display: block}

#droplist, .show {display: none; }
.hide:focus + .show {display: inline; }
.hide:focus { display: none; }
.hide:focus ~ #droplist { display:block; }

.hide {text-decoration: none;}
.show {text-decoration: none;}
</style>
</head>
<body>

<div style="padding-left:40px">
<a href="#">1. Stuff</a><a href="#" class="hide"> [+]</a> <a href="#" class="show">[-]</a>
<ul id="droplist" style="margin-top: 4px">
<li><a href="#">1.1 Object 1</a></li>
<li><a href="#Lnk">1.2 Object 2</a></li>
</ul>
</div>

<ul>
<li><a href="#">1. Stuff</a><a href="#" class="hide"> [+]</a> <a href="#" class="show">[-]</a>
<ul id="droplist" style="margin-top: 4px">
<li><a href="#">1.1 Object 1</a></li>
<li><a href="#Lnk">1.2 Object 2</a></li>
</ul>
</li>
</ul>

</body>
</html>

编辑:以下代码适用于网络列表。

ul {list-style: none;}
li {display: block;}

.droplist, .hide {display: none;}

.submenu:focus-within>.hide{display: inline;}
.submenu:focus-within>.show{display: none;}
.submenu:focus-within>.droplist{display: block;}

.hide:focus~.droplist{display: none;}
.hide:focus+.show{display: inline;}
.hide:focus{display: none !important;}

.hide, .show{text-decoration: none;}
<html>
<body>
<ul>
<li class="submenu">
<a href="#">1. Item 1</a>
<a href="#" class="hide">[-]</a>
<a href="#" class="show">[+]</a>
<ul class="droplist">
<li>
<a href="#">1.1 subitem 1</a>
</li>
<li class="submenu">
<a href="#">1.2 subitem 2</a>
<a href="#" class="hide">[-]</a>
<a href="#" class="show">[+]</a>
<ul class="droplist">
<li class="submenu">
<a href="#">1.2.1 sub-subitem 1</a>
<a href="#" class="hide">[-]</a>
<a href="#" class="show">[+]</a>
<ul class="droplist">
<li>
<a href="#">1.2.1.1 sub-sub-subitem 1</a>
</li>
<li class="submenu">
<a href="#Lnk">1.2.1.2 sub-sub-subitem 2</a>
<a href="#" class="hide">[-]</a>
<a href="#" class="show">[+]</a>
<ul class="droplist">
<li>
<a href="#">1.2.1.2.1 sub-sub-sub-subitem 1</a>
</li>
<li>
<a href="#">1.2.1.2.2 sub-sub-sub-subitem 2</a>
</li>
</ul>
</li>
</ul>
</li>
<li>
<a href="#">1.2.2 sub-subitem 2</a>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</body>
</html>

关于html - 带有按钮的可扩展目录,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/51942158/

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