dial-plate.png:
pointer.png
// react写法!
import dialPlate from '../../../../../img/dial-plate.png';
import pointer from '../../../../../img/pointer.png';
<div styleName="dialPlateContaienr">
<img src={dialPlate} role="presentation" />
<img
role="presentation"
style={{
width: 100,
transform:`rotate(${shortTermMomInfo.momentumValue}deg)`,
//transform设置角度,即变量shortTermMomInfo.momentumValue
}}
styleName="pointerPng"
src={pointer}
/>
</div>
css
.dialPlateContaienr {
width: 100%;
.pointerPng {
position: relative;
bottom: 50px;
left: 65px;
transform-origin: 90% 60%; // 设置旋转的原点
}
}