利用CSS样式,添加移除class名,来处理CSS样式,即改变菜单宽度并对应添加相应的过渡效果。
下面代码就是通过切换class mini-bar
,来改变nav的宽度,同时为菜单width添加过渡效果transition: width .3s;
,及内容区添加transition: all .3s;
eg:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<style>
html,
body {
padding: 0;
margin: 0;
}
#content {
background-color: antiquewhite;
height: 100vh;
}
.nav {
width: 200px;
background-color: pink;
height: 100%;
position: fixed;
transition: width .3s;
}
.left {
height: 100%;
background-color: yellow;
margin-left: 200px;
transition: all .3s;
}
.mini-bar .nav {
width: 100px;
background-color: pink;
height: 100%;
position: fixed;
transition: width .3s;
}
.mini-bar .left {
height: 100%;
background-color: yellow;
margin-left: 100px;
transition: all .3s;
}
</style>
</head>
<body>
<div id="content">
<div class="nav"></div>
<div class="left">
<div style="height: 50px;background-color: aqua;">
<button onclick="test1()">折叠/展开</button>
</div>
</div>
</div>
</body>
<script>
function test1() {
$('body').toggleClass('mini-bar');
}
</script>
</html>