app推送优惠

import UserNotifications

// 请求用户授权推送通知
UNUserNotificationCenter.current().requestAuthorization(options: [.alert, .sound, .badge]) { granted, error in
    if granted {
        DispatchQueue.main.async {
            UIApplication.shared.registerForRemoteNotifications()
        }
    }
}

// 发送推送通知
func sendPushNotification(to token: String, with message: String) {
    let url = URL(string: "https://api.push.apple.com/3/device/\(token)")!
    var request = URLRequest(url: url)
    request.httpMethod = "POST"
    request.setValue("application/json", forHTTPHeaderField: "Content-Type")
    request.setValue("Bearer YOUR_AUTH_TOKEN", forHTTPHeaderField: "Authorization")

    let body: [String: Any] = [
        "aps": [
            "alert": message,
            "sound": "default"
        ]
    ]

    request.httpBody = try? JSONSerialization.data(withJSONObject: body, options: [])

    let task = URLSession.shared.dataTask(with: request) { data, response, error in
        if let error = error {
            print("Error sending push notification: \(error.localizedDescription)")
        } else if let data = data {
            print("Push notification sent successfully: \(String(data: data, encoding: .utf8) ?? "")")
        }
    }
    task.resume()
}