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分享web实训 3.19 第二次作业
主要内容：导航栏（变换菜单，多级菜单）
复习js，html，还有css
2，jQuery基础：就是js框架，简单易用，代码最少。
作业要求：
导航栏
方法一：div方法的实现
完整代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style type="text/css">
a{
color: #FFFF99;
text-decoration: none;
}
a:hover{
color: #FFFFFF;
text-decoration: underline;
}
#top{
padding: 10px 10px 0;
font-size: 12px;
font-weight: bold;
margin: 1px 0 0;
list-style: none;
border-bottom: 8px solid #DCE6F4;
overflow: hidden;
background-color: #33b5e5;
}
.top-nav{
float: left;
margin-right: 1px;
background-color: #333333;
position: relative;
width: 80px;
height: 20px;
text-align: center;
line-height: 20px;
}
.top-nav span{
position: absolute;
visibility: hidden;
}
.top-nav:hover span{
line-height: 20px;
background: #DDDDDD;
color: #666666;
display: block;
width: 80px;
text-align: center;
padding-top: 2px;
visibility: visible;
top:0;
left: 0;
color:#FFFFFF;
background:#DC4E1B;
}
</style>
</head>
<body>
<div id="top">
<div class="top-nav"><a href="123">首页<span class="span">Home</span></a></div>
<div class="top-nav"><a href="123">课堂大厅<span class="span">Course</span></a></div>
<div class="top-nav"><a href="123">学习中心<span class="span">Learn</span></a></div>
<div class="top-nav"><a href="123">关于我们<span class="span">About</span></a></div>
</body>
<html>
方法二：ul li方法的实现
完整代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>变换菜单</title>
</head>
<style type="text/css">
a{
color: #FFFF99;
text-decoration: none;
}
a:hover{
color: #FFFFFF;
text-decoration: underline;
}
.top-nav{
padding: 10px 10px 0;
font-size: 12px;
font-weight: bold;
margin: 1px 0 0 0;
list-style: none;
border-bottom: 8px solid #DCE6F4;
overflow: hidden;
background-color: #33b5e5;
}
.top-nav li{
float: left;
margin-right: 1px;
}
.top-nav li a{
position: relative;
z-index: 0;
line-height: 20px;
text-decoration: none;
background: #DDDDDD;
color: #666666;
display: block;
width: 80px;
text-align: center;
}
.top-nav li a span{
position: absolute;
visibility: hidden;
}
.top-nav li a:hover span{
line-height: 20px;
text-decoration: none;
background: #DDDDDD;
color: #666666;
display: block;
width: 80px;
text-align: center;
padding-top: 2px;
visibility: visible;
top:0;
left: 0;
color:#FFFFFF;
background:#DC4E1B;
}
</style>
<body>
<div id="top">
<ul class="top-nav">
<li class="top-nav"><a href="#">首页<span>Home</span></a></li>
<li class="top-nav"><a href="#">课堂大厅<span>Course</span></a></li>
<li class="top-nav"><a href="#">学习中心<span>Learn</span></a></li>
<li class="top-nav"><a href="#">关于我们<span>About</span></a></li>
</ul>
</div>
</body>
</html>
首页Home
课堂大厅Course
学习中心Learn
关于我们About
效果图：
...全文
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hookee 2019-03-24
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