flutter如何转换地图中的列表

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

class MapPage extends StatefulWidget {
  @override
  _MapPageState createState() => _MapPageState();
}

class _MapPageState extends State<MapPage> {
  List<Map<String, dynamic>> mapList = [
    {'name': '地点A', 'latitude': 40.712776, 'longitude': -74.005974},
    {'name': '地点B', 'latitude': 34.052235, 'longitude': -118.243683},
    {'name': '地点C', 'latitude': 51.5074, 'longitude': -0.1278},
  ];

  GoogleMapController mapController;
  List<Marker> markers = [];

  @override
  void initState() {
    super.initState();
    createMarkers();
  }

  void createMarkers() {
    for (var location in mapList) {
      markers.add(
        Marker(
          markerId: MarkerId(location['name']),
          position: LatLng(location['latitude'], location['longitude']),
          infoWindow: InfoWindow(title: location['name']),
        ),
      );
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: Text('地图列表转换示例')),
      body: GoogleMap(
        onMapCreated: (controller) {
          setState(() {
            mapController = controller;
          });
        },
        markers: Set<Marker>.from(markers),
        initialCameraPosition: CameraPosition(
          target: LatLng(40.712776, -74.005974),
          zoom: 10,
        ),
      ),
    );
  }
}