svg不规则图形按中心旋转要怎么实现？

Question

svg不规则图形按中心旋转要怎么实现？

发布于
2019-03-26

<!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>
    .svg-el {
      transform: rotate(45deg);
      transform-origin: center center;
    }
  </style>
</head>
<body>
  <svg version="1.1" xmlns="http://www.w3.org/2000/svg">
    <polygon class="svg-el" index="0" order="0" points="138,100 163,125 138,150 113,125"></polygon>
  </svg>
</body>
</html>