问如何使用react js在esri arcgis地图中绘制标记点

EN

import WebMap from "esri/WebMap";
import MapView from "esri/views/MapView";
import Search from "esri/widgets/Search";
import FeatureLayer from "esri/layers/FeatureLayer";

const noop = () => {};

export const webmap = new WebMap({
  portalItem: {
    id: "974c6641665a42bf8a57da08e607bb6f"
  }
});

export const view = new MapView({
  map: webmap
});

export const search = new Search({ view });
view.ui.add(search, "top-right");

export const initialize = (container) => {
  view.container = container;
  view
    .when()
    .then(_ => {
      console.log("Map and View are ready");
    })
    .catch(noop);
  return () => {
    view.container = null;
  };
};