iOS 多个Button单选

@property (nonatomic,strong) UIButton * selectedButton;

NSArray * titleArr = @[@"试玩幸运奖",@"视频幸运奖"];
    for (int i = 0; i

-(void)btnClick:(UIButton *)btn{
    
    // 修改按钮状态
    self.selectedButton.enabled = YES;
    btn.enabled = NO;
    self.selectedButton = btn;
}