我想编写一个代码,将鼠标悬停在菜单项上,然后出现一个带有列表的子菜单 ...
这是我的 html 首先是 CSS 上的导航代码,然后是 HTML 代码......:
nav {
background-color: #FFF;
width: 960px;
margin: 0 auto;
}
div.ajuste {
clear: both;
}
nav ul {
width: 95%;
margin: 5px 5px 0 5px;
padding: 10px 10px 10px 6px;
height: 40px;
line-height: 100%;
background: #FFF;
/* position:relative;
z-index:999;
overflow: hidden;*/
float:left;
list-style-type: none;
}
nav li {
margin-bottom: 10px;
padding-right: 25px;
float: left;
/*position: relative;*/
/*list-style: none;*/
}
nav a {
color: #36E;
font-weight: bold;
text-decoration: none;
/*margin-right: 6%;*/
font-family: arial, sans-serif;
font-style: normal;
font-size: 15px;
text-decoration: none;
display: block;
padding: 6px 20px 6px 20px;
/*margin-bottom: 10px;*/
}
nav a:hover {
color: #0505B4;
}
nav a.active {
color: #1414D3;
}
ul.dropdown, ul.dropdown li, ul.dropdown ul {
list-style: none;
margin: 0;
padding: 0;
}
ul.dropdown {
position: relative;
z-index: 597;
float: left;
}
ul.dropdown li {
float: left;
min-height: 1px;
line-height: 1.3em;
vertical-align: middle;
}
ul.dropdown li.hover, ul.dropdown li:hover {
position: relative;
z-index: 599;
}
ul.dropdown ul {
visibility: hidden;
position: absolute;
top: 100%;
left: 0;
z-index: 598;
width: 100%;
}
ul.dropdown ul li {
float: none;
}
ul.dropdown ul ul {
top: 1px;
left: 99%;
}
ul.dropdown li:hover > ul {
visibility: visible;
}
<nav>
<ul id="menu_bar" class="dropdown">
<li><a href="#" class="active">Inicio</a></li>
<li><a href="#">Biografía</a></li>
<li class="submenu"><a href="#">Discografía</a></li>
<ul>
<li><a href="#">Innerspeaker</a></li>
<li><a href="#">Lorenism</a></li>
<li><a href="#">Currents</a></li>
</ul>
</li>
</ul>
<div class="ajuste">
<nav>
当我悬停它时,我的失败发生了……列表子菜单没有出现…… 我的代码有什么问题?
最佳答案
第二个UL,需要在LI标签内。
nav {
background-color: #FFF;
width: 960px;
margin: 0 auto;
}
div.ajuste {
clear: both;
}
nav ul {
width: 95%;
margin: 5px 5px 0 5px;
padding: 10px 10px 10px 6px;
height: 40px;
line-height: 100%;
background: #FFF;
/* position:relative;
z-index:999;
overflow: hidden;*/
float:left;
list-style-type: none;
}
nav li {
margin-bottom: 10px;
padding-right: 25px;
float: left;
/*position: relative;*/
/*list-style: none;*/
}
nav a {
color: #36E;
font-weight: bold;
text-decoration: none;
/*margin-right: 6%;*/
font-family: arial, sans-serif;
font-style: normal;
font-size: 15px;
text-decoration: none;
display: block;
padding: 6px 20px 6px 20px;
/*margin-bottom: 10px;*/
}
nav a:hover {
color: #0505B4;
}
nav a.active {
color: #1414D3;
}
ul.dropdown, ul.dropdown li, ul.dropdown ul {
list-style: none;
margin: 0;
padding: 0;
}
ul.dropdown {
position: relative;
z-index: 597;
float: left;
}
ul.dropdown li {
float: left;
min-height: 1px;
line-height: 1.3em;
vertical-align: middle;
}
ul.dropdown li.hover, ul.dropdown li:hover {
position: relative;
z-index: 599;
}
ul.dropdown ul {
visibility: hidden;
position: absolute;
top: 100%;
left: 0;
z-index: 598;
width: 100%;
}
ul.dropdown ul li {
float: none;
}
ul.dropdown ul ul {
top: 1px;
left: 99%;
}
ul.dropdown li:hover > ul {
visibility: visible;
}
<nav>
<ul id="menu_bar" class="dropdown">
<li><a href="#" class="active">Inicio</a></li>
<li><a href="#">Biografía</a></li>
<li class="submenu">
<a href="#">Discografía</a>
<ul>
<li><a href="#">Innerspeaker</a></li>
<li><a href="#">Lorenism</a></li>
<li><a href="#">Currents</a></li>
</ul>
</li>
</ul>
<nav>
关于javascript - css 上的子菜单悬停菜单问题,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32893033/