CSS 实现自动等分圆效果_css做十分之一圆-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_43025071/article/details/127520468

本实例通过css和js实现等分圆的效果

<!DOCTYPE html>
<html>
<head>
    <title>CSS等分圆</title>
    <meta charset="utf-8">
    <style type="text/css">
        .container{
            position: relative;
            width: 200px;
            height: 200px;
            overflow: hidden;
            border: 2px outset deeppink;
            border-radius: 50%;
            margin: 5em auto;
        }
        .layer{
            position: absolute;
            transform-origin: left top;
            left: 100px;
            top: 100px;
            width: 100px;
            height: 100px;
            border: 1px solid white;
            box-sizing: border-box;
        }
    </style>
</head>
<body>
<div class="container">
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
    <div class="layer layer5"></div>
</div>
<script type="text/javascript">
    var b_len = document.getElementsByClassName("layer5").length;
    document.querySelectorAll('.layer5').forEach(function (item, i) {
        item.style.backgroundColor = '#'+Math.floor(Math.random()*16777215).toString(16);
        item.style.transform = 'rotate(' + 360 / b_len * (i + 1) + 'deg)skewX('+ (90 - 360 / b_len ) +'deg)';
    });
</script>
</body>
</html>