仪表盘内置 round 形状

import { Chart } from '@antv/g2';

const chart = new Chart({
  container: 'container',
  autoFit: true,
});

chart.options({
  type: 'gauge',
  data: {
    value: {
      target: 159,
      total: 400,
      name: 'score',
      thresholds: [100, 200, 400],
    },
  },
  scale: {
    color: {
      range: ['#F4664A', '#FAAD14', 'green'],
    },
  },
  style: {
    ...{
      arcShape: 'round',
      arcLineWidth: 2,
      arcStroke: '#fff',
    },
    textContent: (target, total) =>
      `得分：${target}\n占比：${(target / total) * 100}%`,
  },
  legend: false,
});

chart.render();