在Flutter GoogleMaps中添加要设置的多个标记列表

import 'package:flutter/material.dart';
import 'package:google_maps_flutter/google_maps_flutter.dart';

class MapScreen extends StatefulWidget {
  @override
  _MapScreenState createState() => _MapScreenState();
}

class _MapScreenState extends State<MapScreen> {
  GoogleMapController mapController;
  List<Marker> markers = [];

  @override
  void initState() {
    super.initState();
    markers = [
      Marker(
        markerId: MarkerId('marker1'),
        position: LatLng(37.4219999, -122.0840575),
        infoWindow: InfoWindow(title: 'Marker 1', snippet: 'Description 1'),
      ),
      Marker(
        markerId: MarkerId('marker2'),
        position: LatLng(37.42796133580664, -122.085749655962),
        infoWindow: InfoWindow(title: 'Marker 2', snippet: 'Description 2'),
      ),
      // Add more markers here...
    ];
  }

  void _onMapCreated(GoogleMapController controller) {
    mapController = controller;
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Google Maps'),
      ),
      body: GoogleMap(
        onMapCreated: _onMapCreated,
        initialCameraPosition: CameraPosition(
          target: LatLng(37.4219999, -122.0840575),
          zoom: 12,
        ),
        markers: Set<Marker>.from(markers),
      ),
    );
  }
}