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使用「max-height」实现自适应高度

2013-08-07 19:59 162 查看 
.tab-content{
max-height: 0;
overflow: hidden;
-webkit-transition: max-height .8s;
-moz-transition: max-height .8s;
-ms-transition: max-height .8s;
-o-transition: max-height .8s;
transition: max-height .8s;
}

.tab{
list-style-type: none;
list-style-image: none;
margin: 0;
padding: 0;
margin-top: 10px;
overflow: hidden;

border:1px solid #CCC;
border-radius:5px;

/* 动画差 */

-webkit-transition: max-height .2s;
-moz-transition: max-height .2s;
-ms-transition: max-height .2s;
-o-transition: max-height .2s;
transition: max-height .2s;

}

.tab h2{
cursor:pointer;
padding:10px 20px;
background: #EEE;
border-top:1px solid #BBB;
border-bottom:1px solid #BBB;
margin:-1px 0;
color:#333;

-webkit-transition: background .3s;
-moz-transition: background .3s;
-ms-transition: background .3s;
-o-transition: background .3s;
transition: background .3s;
}

.tab h2:hover{
background: lightblue;
}

.tab h2:hover ~ .tab-content{// 开始动画
max-height: 200px;
}

<h1>CSS3 缓动手风琴动画效果（一丝）</h1>
<p>使用「max-height」实现自适应高度</p>
<ul class="tab">
<li>
<h2>选项卡1</h2>
<div class="tab-content">
<p>隐藏的文字<br>
隐藏的文字<br>
隐藏的文字<br>
</p>
</div>
</li>
<li>
<h2>选项卡2</h2>
<div class="tab-content">
<p>隐藏的文字<br>
隐藏的文字<br>
隐藏的文字<br>
隐藏的文字<br>
隐藏的文字<br>
隐藏的文字
</p>
</div>
</li>
</ul>


<!doctype html>
<html>
<!--
Created using jsbin.com
Source can be edited via http://jsbin.com/ayayak/1/edit -->
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1" /> <!-- 优先使用IE最新版本和 Chrome -->
<meta name ="viewport" content ="initial-scale=1.0, maximum-scale=1, minimum-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-title" content="测试">
<meta name="apple-mobile-web-app-capable" content="yes" />
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="format-detection" content="telephone=no" />

<title>CSS3 缓动手风琴动画效果-by 一丝</title>
<style>
*{-webkit-tap-highlight-color: rgba(0,0,0,0);}

</style>

<style id="jsbin-css">
*{
margin: 0;
padding: 0;
}
body{
font-family: 'helvetica neue', 'hiragino sans gb', stheiti,'wenquanyi micro hei',\5FAE\8F6F\96C5\9ED1,\5B8B\4F53, sans-serif;
font-size: 14px;
}

h1{
font-size: 22px;
}

h2{
font-size: 18px;
font-weight: normal;
}

.main{
width:360px;
margin-left: auto;
margin-right: auto;
margin-top: 50px;
}

ul{
list-style-type: none;
list-style-image: none;
}
p{
line-height: 1.8;
margin:15px 20px;
}

.tab-content{
max-height: 0;
overflow: hidden;
-webkit-transition: max-height .8s;
-moz-transition: max-height .8s;
-ms-transition: max-height .8s;
-o-transition: max-height .8s;
transition: max-height .8s;
}

.tab{
margin-top: 10px;
overflow: hidden;

border:1px solid #CCC;
border-radius:5px;

/* 动画差 */

-webkit-transition: max-height .2s;
-moz-transition: max-height .2s;
-ms-transition: max-height .2s;
-o-transition: max-height .2s;
transition: max-height .2s;

}

.tab h2{
cursor:pointer;
padding:10px 20px;
background: #EEE;
border-top:1px solid #BBB;
border-bottom:1px solid #BBB;
margin:-1px 0;
color:#333;

-webkit-transition: background .3s;
-moz-transition: background .3s;
-ms-transition: background .3s;
-o-transition: background .3s;
transition: background .3s;
}

.tab h2:hover{
background: lightblue;
}

.tab h2:hover ~ .tab-content{
max-height: 200px;
}
</style>
</head>
<body>
<div class="main"><h1>CSS3 缓动手风琴动画效果（一丝）</h1> <p>使用「max-height」实现自适应高度</p> <ul class="tab"> <li> <h2>选项卡1</h2> <div class="tab-content"> <p>隐藏的文字<br> 隐藏的文字<br> 隐藏的文字<br> </p> </div> </li> <li> <h2>选项卡2</h2> <div class="tab-content"> <p>隐藏的文字<br> 隐藏的文字<br> 隐藏的文字<br> 隐藏的文字<br> 隐藏的文字<br> 隐藏的文字 </p> </div> </li> </ul></div>

</body>
</html>

运行代码
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