<pre class="de1">- (BOOL)application:(UIApplication )application didFinishLaunchingWithOptions:(NSDictionary )launchOptions
{
    // 需要告诉苹果的服务器，当前应用程序需要接收远程通知
    [application registerForRemoteNotificationTypes:UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound];
 
    return YES;
}
 

• (void)application:(UIApplication )application didRegisterForRemoteNotificationsWithDeviceToken:(NSData )deviceToken
  {
      // 第一次运行获取到DeviceToken时间会比较长！
      NSLog(@"%@",deviceToken);
   
      // 将deviceToken转换成字符串，以便后续使用
      NSString *token = [deviceToken description];
      NSLog(@"description %@",token);
  }