雷达图(带底色)

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

const data = [
  { item: 'Design', type: 'a', score: 70 },
  { item: 'Design', type: 'b', score: 30 },
  { item: 'Development', type: 'a', score: 60 },
  { item: 'Development', type: 'b', score: 70 },
  { item: 'Marketing', type: 'a', score: 50 },
  { item: 'Marketing', type: 'b', score: 60 },
  { item: 'Users', type: 'a', score: 40 },
  { item: 'Users', type: 'b', score: 50 },
  { item: 'Test', type: 'a', score: 60 },
  { item: 'Test', type: 'b', score: 70 },
  { item: 'Language', type: 'a', score: 70 },
  { item: 'Language', type: 'b', score: 50 },
  { item: 'Technology', type: 'a', score: 50 },
  { item: 'Technology', type: 'b', score: 40 },
  { item: 'Support', type: 'a', score: 30 },
  { item: 'Support', type: 'b', score: 40 },
  { item: 'Sales', type: 'a', score: 60 },
  { item: 'Sales', type: 'b', score: 40 },
  { item: 'UX', type: 'a', score: 50 },
  { item: 'UX', type: 'b', score: 60 },
];

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

chart.options({
  type: 'view',
  coordinate: { type: 'polar' },
  data: data,
  scale: {
    x: { padding: 0.5, align: 0 },
    y: { tickCount: 5, domainMin: 0, domainMax: 80 },
  },
  axis: {
    x: {
      grid: true,
      gridLineWidth: 1,
      tick: false,
      gridLineDash: [0, 0],
    },
    y: {
      zIndex: 1,
      title: false,
      gridLineWidth: 1,
      gridLineDash: [0, 0],
      gridAreaFill: (dataum, index, data) => {
        return index % 2 === 1 ? 'rgba(0, 0, 0, 0.04)' : '';
      },
    },
  },
  interaction: { tooltip: { crosshairsLineDash: [4, 4] } },
  children: [
    {
      type: 'line',
      encode: { x: 'item', y: 'score', color: 'type' },
      style: { lineWidth: 2 },
    },
    {
      type: 'point',
      encode: { x: 'item', y: 'score', color: 'type', shape: 'point', size: 3 },
      tooltip: null,
    },
  ],
});

chart.render();