MKMapView中注释气泡内的链接

class CustomAnnotation: NSObject, MKAnnotation {
    var coordinate: CLLocationCoordinate2D
    var title: String?
    var subtitle: String?
    var link: String?
    
    init(coordinate: CLLocationCoordinate2D, title: String?, subtitle: String?, link: String?) {
        self.coordinate = coordinate
        self.title = title
        self.subtitle = subtitle
        self.link = link
    }
}

func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
    guard let annotation = annotation as? CustomAnnotation else {
        return nil
    }
    
    let identifier = "CustomAnnotation"
    var annotationView = mapView.dequeueReusableAnnotationView(withIdentifier: identifier)
    
    if annotationView == nil {
        annotationView = MKPinAnnotationView(annotation: annotation, reuseIdentifier: identifier)
        annotationView?.canShowCallout = true
        
        let button = UIButton(type: .detailDisclosure)
        annotationView?.rightCalloutAccessoryView = button
    } else {
        annotationView?.annotation = annotation
    }
    
    return annotationView
}

func mapView(_ mapView: MKMapView, annotationView view: MKAnnotationView, calloutAccessoryControlTapped control: UIControl) {
    if let annotation = view.annotation as? CustomAnnotation, let link = annotation.link {
        // 执行链接跳转或其他操作
        // 例如：UIApplication.shared.open(URL(string: link)!)
    }
}