代码:
  import "ol/ol.css";
  import { Map, View } from "ol";
  import Vector from "ol/source/Vector";
  import { Tile , Vector as VectorLayer } from "ol/layer";
  import ol3Echarts from 'ol3-echarts';
  // 下面代码是初始化地图
      var vectorSource = new Vector(),
        addressMatchService = new ol.supermap.AddressMatchService('url'),
        view = new View({
          center: [4700, -3900],
          zoom: 3,
          projection: 'EPSG:4326',
          multiWorld: false
        });
      map = new Map({
        target: 'map',
        view: view
      });
      var layer = new Tile({
        source: new ol.source.TileSuperMapRest({
          url: 'url',
          wrapX: true
        })
      });
      map.addLayer(layer);
      echartslayer = new ol3Echarts(null, {
        hideOnMoving: true,
        hideOnZooming: true
      });
      echartslayer.appendTo(map);
出现以下错误:
请大神解决一下!