问题 How to add markers dynamically to React-Leaflet maps? I want to add new markers when user clicks on map. And I cannot get it work. import React, { Component } from 'react' import { render } from 'react-dom'; import Control from 'react-leaflet-control'; import { Map, Marker, Popup, TileLayer, ZoomControl, ScaleControl } from 'react-leaflet'; import './Points.scss' export default class PointsMap extends Component { state = { lat: 50.2, lng: 30.2, zoom: 13, } handleClick = (e) => { this