<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<meta name=viewport content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no">
<title>tabBar动画</title>
<style>
* {
margin: 0;
padding: 0;
}
.list {
position: relative;
height: 2.2rem;
margin: 2rem 0
}
.list li {
position: relative;
line-height: 2.2rem;
display: block;
float: left;
font-size: .7rem;
color: #8F8F8F;
text-align: center;
border-bottom: 1px solid #f5f5f5;
}
.list.type2 li {
width: 50%;
}
.list.type3 li {
width: 33.33%;
}
.list.type4 li{
width: 25%;
}
.list li.active {
color: #3884FF;
}
.list li+li+.cursor {
width: 50%;
}
.list li+li+li+.cursor {
width: 33.33%;
}
.list li+li+li+li+.cursor {
width: 25%;
}
.list li.active:nth-child(2)~.cursor {
transform: translateX(100%);
-webkit-transform: translateX(100%);
-moz-transform: translateX(100%);
}
.list li.active:nth-child(3)~.cursor {
transform: translateX(200%);
-webkit-transform: translateX(200%);
-moz-transform: translateX(200%);
}
.list li.active:nth-child(4)~.cursor {
transform: translateX(300%);
-webkit-transform: translateX(300%);
-moz-transform: translateX(300%);
}
.list .cursor {
height: 2px;
width: 100%;
display: block;
position: absolute;
bottom: 0;
left: 0;
transition: all 0.2s ease-in-out;
-moz-transition: all 0.2s ease-in-out;
-webkit-transition: all 0.2s ease-in-out;
}
/* 选中蓝色横条的样式可以改这里 */
.list .cursor::after {
content: '';
display: block;
background-color: #439df8;
height: 100%;
width: 60%;
margin: 0 auto;
}
</style>
</head>
<body>
<ul class="list type2">
<li >选项一</li>
<li>选项二</li>
<i class="cursor"></i>
</ul>
<ul class="list type3">
<li>选项一</li>
<li>选项二</li>
<li>选项三</li>
<i class="cursor"></i>
</ul>
<ul class="list type4">
<li>选项一</li>
<li>选项二</li>
<li>选项三</li>
<li>选项四</li>
<i class="cursor"></i>
</ul>
<script src="//apps.bdimg.com/libs/zepto/1.1.4/zepto.min.js"></script>
<script>
$(function() {
$("li").click(function() {
$(this).parent().find('li').removeClass("active")
$(this).addClass('active')
})
})
</script>
</body>
</html>