// @ts-ignore import { Scene } from '@antv/l7'; import { PolygonLayer } from '@antv/l7-layers'; import { Map } from '@antv/l7-maps'; import * as React from 'react'; export default class ScaleComponent extends React.Component { private scene: Scene; public componentWillUnmount() { this.scene.destroy(); } public async componentDidMount() { const scene = new Scene({ id: 'map', map: new Map({ hash: true, center: [110.19382669582967, 30.258134], pitch: 0, zoom: 2, }), }); fetch( 'https://gw.alipayobjects.com/os/basement_prod/d2e0e930-fd44-4fca-8872-c1037b0fee7b.json', ) .then((res) => res.json()) .then((data) => { const layer = new PolygonLayer({ name: '01', }); layer .source(data) .size('name', [0, 10000, 50000, 30000, 100000]) .color('name', [ '#2E8AE6', '#69D1AB', '#DAF291', '#FFD591', '#FF7A45', '#CF1D49', ]) .shape('fill') .select(true) .style({ opacity: 1.0, }); scene.addLayer(layer); }); } public render() { return (
); } }