<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width,initial-scale=1,maximum-scale=1,minimum-scale=1,user-scalable=no" />
<title></title>
<link rel="stylesheet" type="text/css" href="./style.css">
<script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"></script>
<style>
@charset "utf-8";
body,html{height: 100%;background: #E2E2E2}
body,ul{margin:0;padding:0}
body{font:14px "微软雅黑","宋体","Arial Narrow",HELVETICA;-webkit-text-size-adjust:100%;}
li{list-style:none}
a{text-decoration:none;}
#c_main{
width: 100%;
height: 100%;
background: #000;
}
#nav {
background-color: #85d989;
width: 100%;
height: 50px;
}
#content {
background-color: #cc85d9;
width: 100%;
position: absolute;
display: flex;
top: 50px;
bottom: 0px;
left: 0px;
}
.con_left{
width: 200px;
height: 100%;
background: #2b542c;
}
.con_right{
flex: 1;
height: 100%;
color: #ffffff;
background:#000000;
overflow: auto;
}
</style>
</head>
<body>
<div id="c_main">
<div id="nav"></div>
<div id="content">
<div class="con_left"></div>
<div class="con_right">
</div>
</div>
</div>
</body>
<script type="text/javascript">
// 开关状态
var open = false;
$('#nav-btn').click(function (){
// 按钮状态
$(this).css("background-color", open ? '#333' : '#222');
var navBar = $('.nav-bar');
// 设置header的高度,将导航列表显示出来
var height = navBar.offset().top + navBar.height();
$('#header').animate({
height: open ? 50 : height
});
// 修改开关状态
open = !open;
});
</script>
</html>