antv-l7/examples/point/marker/demo/marker.js

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

const scene = new Scene({
  id: 'map',
  map: new GaodeMap({
    style: 'light',
    center: [ 105.790327, 36.495636 ],
    pitch: 0,
    zoom: 4
  })
});
scene.on('loaded', () => {
  addMarkers();
  scene.render();
});
function addMarkers() {
  fetch(
    'https://gw.alipayobjects.com/os/basement_prod/67f47049-8787-45fc-acfe-e19924afe032.json'
  )
    .then(res => res.json())
    .then(nodes => {
      for (let i = 0; i < nodes.length; i++) {
        if (nodes[i].g !== '1' || nodes[i].v === '') {
          continue;
        }
        const el = document.createElement('label');
        el.className = 'labelclass';
        el.textContent = nodes[i].v + '℃';
        el.style.background = getColor(nodes[i].v);
        el.style.borderColor = getColor(nodes[i].v);
        const marker = new Marker({
          element: el
        }).setLnglat({ lng: nodes[i].x * 1, lat: nodes[i].y });
        scene.addMarker(marker);
      }
    });
}

function getColor(v) {
  return v > 50
    ? '#800026'
    : v > 40
      ? '#BD0026'
      : v > 30
        ? '#E31A1C'
        : v > 20
          ? '#FC4E2A'
          : v > 10
            ? '#FD8D3C'
            : v > 5
              ? '#FEB24C'
              : v > 0
                ? '#FED976'
                : '#FFEDA0';
}