<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
html {
/*750px*/
font-size: 13.333333333333333vw;
}
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
.wrap {
7.5rem;
position: relative;
}
.w {
position: absolute;
top: 1rem;
left: 1.45rem;
4.6rem;
height: 4.6rem;
animation: xzh infinite 15s linear;
}
.w span {
position: absolute;
display: inline-block;
border: 1px solid red;
font-size: .4rem;
.6rem;
height: .6rem;
text-align: center;
}
@keyframes xzh {
0% {
transform: rotate(0deg);
}
50% {
transform: rotate(180deg);
}
100% {
transform: rotate(360deg);
}
}
</style>
</head>
<body>
<div class="wrap">
<div class="w">
<span>乾</span>
<span>坤</span>
<span>震</span>
<span>巽</span>
<span>坎</span>
<span>离</span>
<span>艮</span>
<span>兑</span>
</div>
</div>
</body>
<script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script>
<script>
for (var i = 0; i < 8; i++) {
var deg = i * 45;
var wz = ($('.w').outerWidth() - $('.w span').outerWidth()) / 200;
var x = (Math.sin(deg * Math.PI / 180) + 1) * wz;
var y = (Math.cos(deg * Math.PI / 180) + 1) * wz;
$('.w span').eq(i).css({
transform: 'rotate(' + i * 45 + 'deg)',
top: x + 'rem',
left: y + 'rem'
});
}
</script>
</html>
主要是sin和cos设置