antv-l7/examples/polygon/fill/demo/fill.js

import { Scene, PolygonLayer, LineLayer } from '@antv/l7';
import { GaodeMap } from '@antv/l7-maps';

const scene = new Scene({
  id: 'map',
  map: new GaodeMap({
    pitch: 0,
    style: 'light',
    center: [ 116.368652, 39.93866 ],
    zoom: 10.07
  })
});

fetch(
  'https://gw.alipayobjects.com/os/basement_prod/1d27c363-af3a-469e-ab5b-7a7e1ce4f311.json'
)
  .then(res => res.json())
  .then(data => {
    const layer = new PolygonLayer({})
      .source(data)
      .color(
        'unit_price',
        [
          '#1A4397',
          '#2555B7',
          '#3165D1',
          '#467BE8',
          '#6296FE',
          '#7EA6F9',
          '#98B7F7',
          '#BDD0F8',
          '#DDE6F7',
          '#F2F5FC'
        ].reverse()
      )
      .shape('fill')
      .style({
        opacity: 1
      });
    const layer2 = new LineLayer({
      zIndex: 2
    })
      .source(data)
      .color('#fff')
      .size(0.8)
      .style({
        opacity: 1
      });

    scene.addLayer(layer);
    scene.addLayer(layer2);
  });