ios 通知传值

1.
//字典参数
    NSDictionary *dataDic = [NSDictionary dictionaryWithObject:self.chepaihao forKey:@"chename"];
    //创建通知
    [[NSNotificationCenter defaultCenter] postNotificationName:@"infoNotification" object:nil userInfo:dataDic];

2.
//注册通知
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(receiveNotification:) name:@"infoNotification" object:nil];

3.
//接收通知
-(void)receiveNotification:(NSNotification *)infoNotification {
    NSDictionary *dic = [infoNotification userInfo];
    NSString *str = [dic objectForKey:@"chename"];
    [self.QiYuanDiBtn setTitle:str forState:UIControlStateNormal];
}

最后

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