在SwiftUI中使用UIImagePickerController拾取视频

import SwiftUI
import UIKit
import AVKit

struct VideoPicker: UIViewControllerRepresentable {
    @Binding var videoURL: URL?
    @Environment(\.presentationMode) private var presentationMode
    
    func makeCoordinator() -> Coordinator {
        Coordinator(self)
    }
    
    func makeUIViewController(context: Context) -> UIImagePickerController {
        let picker = UIImagePickerController()
        picker.sourceType = .photoLibrary
        picker.mediaTypes = [kUTTypeMovie as String]
        picker.delegate = context.coordinator
        return picker
    }
    
    func updateUIViewController(_ uiViewController: UIImagePickerController, context: Context) {
        
    }
    
    class Coordinator: NSObject, UINavigationControllerDelegate, UIImagePickerControllerDelegate {
        let parent: VideoPicker
        
        init(_ parent: VideoPicker) {
            self.parent = parent
        }
        
        func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
            if let videoURL = info[.mediaURL] as? URL {
                parent.videoURL = videoURL
            }
            parent.presentationMode.wrappedValue.dismiss()
        }
    }
}

struct ContentView: View {
    @State private var videoURL: URL?
    @State private var showVideoPicker = false
    
    var body: some View {
        VStack {
            if let videoURL = videoURL {
                VideoPlayer(player: AVPlayer(url: videoURL))
                    .frame(height: 300)
            } else {
                Text("No video selected")
            }
            
            Button("Select Video") {
                showVideoPicker = true
            }
        }
        .sheet(isPresented: $showVideoPicker) {
            VideoPicker(videoURL: $videoURL)
        }
    }
}