<!DOCTYPE html>
<html>
<head>
<style>
ul {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #333;
}
li {
float: left;
}
li a, .dropbtn {
display: inline-block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
li a:hover, .dropdown:hover .dropbtn {
background-color: red;
}
li.dropdown {
display: inline-block;
}
.dropdown-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropdown-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropdown-content a:hover {background-color: #f1f1f1}
.dropdown:hover .dropdown-content {
display: block;
}
</style>
<style>
ulf {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #333;
position: fixed;
bottom: 0%;
width: 100%;
}
lif {
float: left;
border-right: 1px solid #bbb;
}
lif a, .dropbtn {
display: inline-block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
lif a:hover, .dropup:hover .dropbtn {
background-color: red;
}
lif.dropup {
display: inline-block;
}
.dropup-content {
display: none;
position: absolute;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
z-index: 1;
}
.dropup-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropup-content a:hover {
background-color: #f1f1f1
}
.dropup:hover .dropup-content {
display: block;
}
</style>
</head>
<body>
<ul>
</li><li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Sales</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Search</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Transfers</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
<li class="dropdown">
<a href="javascript:void(0)" class="dropbtn">Returns</a>
<div class="dropdown-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</li>
</ul>
<ulf>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Order</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Reports</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Exports/Imports</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Settings</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
</ulf>
</body>
</html>
顶部导航正常。我的意思是下拉菜单功能正常,但底部导航不起作用。我想做一些像 drop up 这样的事情。有人可以检查代码并给我一些我必须做什么的指导吗?
最佳答案
你只需要从 .dropup-content
中删除 position: absolute;
,并用这个 CSS 替换它:
position: fixed;
bottom: 47px;
而且 Bob 是你的叔叔!
ulf {
list-style-type: none;
margin: 0;
padding: 0;
overflow: hidden;
background-color: #333;
position: fixed;
bottom: 0%;
width: 100%;
}
lif {
float: left;
border-right: 1px solid #bbb;
}
lif a, .dropbtn {
display: inline-block;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
}
lif a:hover, .dropup:hover .dropbtn {
background-color: red;
}
lif.dropup {
display: inline-block;
}
.dropup-content {
display: none;
position: fixed;
bottom: 47px;
background-color: #f9f9f9;
min-width: 160px;
box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
z-index: 1;
}
.dropup-content a {
color: black;
padding: 12px 16px;
text-decoration: none;
display: block;
text-align: left;
}
.dropup-content a:hover {
background-color: #f1f1f1
}
.dropup:hover .dropup-content {
display: block;
}
<!DOCTYPE html>
<html>
<head>
<style>
</style>
<style>
</style>
</head>
<body>
<ulf>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Order</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Reports</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Exports/Imports</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
<lif class="dropup">
<a href="javascript:void(0)" class="dropbtn">Settings</a>
<div class="dropup-content">
<a href="#">Link 1</a>
<a href="#">Link 2</a>
<a href="#">Link 3</a>
</div>
</lif>
</ulf>
</body>
</html>
关于html - 导航菜单顶部和底部,底部没有下拉,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44393435/