iPhone 收不到任何推送通知

iPhone 收不到任何推送通知

swift
import UIKit
import UserNotifications
class AppDelegate: UIResponder, UIApplicationDelegate, UNUserNotificationCenterDelegate {
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        UNUserNotificationCenter.current().delegate = self
        UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .badge, .sound]) { (granted, error) in
            if granted {
                // 用户已经同意接收推送通知
                DispatchQueue.main.async {
                    application.registerForRemoteNotifications()
                }
            } else {
                // 用户拒绝接收推送通知或发生错误
            }
        }
        return true
    }
    func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) {
        // 注册成功，获取到设备的唯一标识符 deviceToken
        let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined()
        print("Device Token: \(token)")
    }
    func application(_ application: UIApplication, didFailToRegisterForRemoteNotificationsWithError error: Error) {
        // 注册失败，打印错误信息
        print("Failed to register for remote notifications: \(error.localizedDescription)")
    }
    func userNotificationCenter(_ center: UNUserNotificationCenter, willPresent notification: UNNotification, withCompletionHandler completionHandler: @escaping (UNNotificationPresentationOptions) -> Void) {
        completionHandler([.alert, .badge, .sound])
    }
    func userNotificationCenter(_ center: UNUserNotificationCenter, didReceive response: UNNotificationResponse, withCompletionHandler completionHandler: @escaping () -> Void) {
        // 处理用户对通知的响应
        completionHandler()
    }
}