消息推送特价活动

// 初始化FCM
const messaging = firebase.messaging();

// 请求通知权限
messaging.requestPermission()
  .then(() => {
    console.log('Notification permission granted.');
    return messaging.getToken();
  })
  .then((token) => {
    console.log('FCM Token:', token);
    // 发送通知
    sendNotification(token, '特价活动', '快来参加我们的特价活动！');
  })
  .catch((err) => {
    console.log('Unable to get permission to notify.', err);
  });

// 发送通知函数
function sendNotification(token, title, body) {
  const message = {
    notification: { title: title, body: body },
    token: token,
  };

  // 使用FCM API发送消息
  fetch('https://fcm.googleapis.com/fcm/send', {
    method: 'POST',
    headers: {
      'Content-Type': 'application/json',
      'Authorization': 'key=YOUR_SERVER_KEY',
    },
    body: JSON.stringify(message),
  })
  .then(response => response.json())
  .then(data => {
    console.log('Notification sent:', data);
  })
  .catch(error => {
    console.error('Error sending notification:', error);
  });
}