网上有人整理的超详细的iOS 8之后的推送，附上链接： https://www.jianshu.com/p/027120ca9179 实例： 调用方法： - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions{
    //注册通知    [application registerForRemoteNotificationTypes:UIRemoteNotificationTypeBadge |     UIRemoteNotificationTypeAlert | UIRemoteNotificationTypeSound];｝//实现 类#pragma mark - RegisterForRemoteNotifications methods- (void)application:(UIApplication *)application  didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)newDeviceToken{    //注册远方通知，获得DeviceToken    NSString *str = [NSString stringWithFormat:@"Device Token=%@",newDeviceToken];    NSLog(@"%@",str);}- (void)application:(UIApplication *)app didFailToRegisterForRemoteNotificationsWithError:(NSError *)err{    //注册失败    NSString *str = [NSString stringWithFormat: @"Error: %@", err];    NSLog(@"%@",str);}- (void)application:(UIApplication *)application  didReceiveRemoteNotification:(NSDictionary *)userInfo{    //收到通知    NSString *topId = [NSString stringWithFormat:@"%@",                       [[userInfo objectForKey:@"aps"] objectForKey:@"alert"]];     //清除图标上的通知记录条数    application.applicationIconBadgeNumber = 0;    }- (void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification{    //点击提示框的打开    application.applicationIconBadgeNumber = 0;}