SwiftUI地图包将区域设置为用户的当前位置

import SwiftUI
import MapKit

struct ContentView: View {
    @State private var region = MKCoordinateRegion()

    var body: some View {
        Map(coordinateRegion: $region, annotationItems: [])
            .onAppear {
                self.region = MKCoordinateRegion(center: CLLocationCoordinate2D(latitude: 37.7749, longitude: -122.4194), span: MKCoordinateSpan(latitudeDelta: 0.05, longitudeDelta: 0.05))
                self.getLocation()
            }
    }

    func getLocation() {
        let locationManager = CLLocationManager()
        locationManager.requestWhenInUseAuthorization()
        locationManager.delegate = self
        locationManager.startUpdatingLocation()
    }
}

extension ContentView: CLLocationManagerDelegate {
    func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
        guard let location = locations.first else { return }
        region = MKCoordinateRegion(center: location.coordinate, span: MKCoordinateSpan(latitudeDelta: 0.05, longitudeDelta: 0.05))
    }

    func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
        print("Error getting location: \(error.localizedDescription)")
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}