echarts饼图-绘制中心圆

1、效果

2.代码

 graphic: {
          elements: [
            {
              type: 'circle',
              left: 'center',
              top: 'center',
              shape: {
                r: 70,
              },

              style: {
                fill: 'rgba(145,216,255,0.07)',
              },
              enterFrom: {
                style: { opacity: 0 },
              },
            },
            {
              type: 'circle',
              shape: {
                r: 60,
              },
              left: 'center',
              top: 'center',
              enterFrom: {
                style: { opacity: 0 },
              },
              style: {
                fill: 'transparent',
                stroke: 'rgba(0,109,252,0.2',
                lineWidth: 2,
              },
            },
          ],
        },