通知中心传值

通知中心传值:

controller1:

-(void)btnClick:(UIButton *)btn

{

    OneViewController *oVC = [[OneViewController alloc]init];

    [self.navigationController pushViewController:oVC animated:YES];

    

    //注册接收的通知中心

    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];

    //接收通知

    [center addObserver:self selector:@selector(receiveNotification:) name:@"notification" object:nil];

}

-(void)receiveNotification:(NSNotification *)notification

{

    self.textField.text = [notification.userInfo valueForKey:@"text"];

}

controller2:

@property(strong,nonatomic)NSDictionary *dic;

_dic = @{@"text":self.onetextField.text};

    

    

    //注册通知中心

    NSNotificationCenter *center = [NSNotificationCenter defaultCenter];

    //发送通知

    [center postNotificationName:@"notification" object:nil userInfo:_dic];