单击地图注记时的SwiftUI操作

import SwiftUI
import MapKit

struct ContentView: View {
    @State private var annotationTapped = false
    
    var body: some View {
        MapView()
            .gesture(TapGesture().onEnded { _ in
                self.annotationTapped = true
                // 在这里执行单击地图注记后的操作
                // 例如，可以显示一个弹出窗口或导航到其他视图
            })
            .alert(isPresented: $annotationTapped) {
                Alert(title: Text("Annotation Tapped"), message: Text("You tapped on the annotation."), dismissButton: .default(Text("OK")))
            }
    }
}

struct MapView: UIViewRepresentable {
    func makeUIView(context: Context) -> MKMapView {
        MKMapView(frame: .zero)
    }
    
    func updateUIView(_ uiView: MKMapView, context: Context) {
        // 更新地图视图的内容
    }
}

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