只能用SMIL动画在SVG中完成
更多精彩互动请参见:https://codepen.io/mikemjharris/post/svg-toggling
<svg width="160" viewBox="0 0 240 240">
<g fill="black">
<path
d="m52 103a70 70 90 0168-53h97a120 120 90 00-195 1l30 52zm177-33h-60a70 70 90 0112 85l0 0-49 84a120 120 90 0097-169zm-90 117a70 70 90 01-80-32l0 0-49-84a120 120 90 0098 169l30-52z" />
<circle cx="120" cy="120" r="50" />
<animateTransform attributeType="xml" attributeName="transform"
type="rotate" from="0 120 120" to="360 120 120"
begin="click" dur="9s" repeatCount="indefinite" />
</g>
</svg>