Openlayers Geojson axios API获取数据

<div id="map" style="width: 100%; height: 500px;"></div>

var map = new ol.Map({
  target: 'map',
  layers: [
    new ol.layer.Tile({
      source: new ol.source.OSM()
    })
  ],
  view: new ol.View({
    center: ol.proj.fromLonLat([0, 0]),
    zoom: 2
  })
});

axios.get('your_geojson_api_url')
  .then(function (response) {
    var geojsonFormat = new ol.format.GeoJSON();
    var features = geojsonFormat.readFeatures(response.data);
    
    var vectorSource = new ol.source.Vector({
      features: features
    });

    var vectorLayer = new ol.layer.Vector({
      source: vectorSource
    });

    map.addLayer(vectorLayer);
  })
  .catch(function (error) {
    console.log(error);
  });