ios开发之--仿购物类详情页面数量添加小功能

[cell.jianBtn addTarget:self action:@selector(changenumClick:) forControlEvents:UIControlEventTouchUpInside];
[cell.jiaBtn addTarget:self action:@selector(changenumClick:) forControlEvents:UIControlEventTouchUpInside];

-(void)changenumClick:(UIButton *)sender
{
//    sender.selected = !sender.selected;
    
    UILabel *label = [[sender superview] viewWithTag:654321];
    NSInteger i = [label.text integerValue];
    if (sender.tag == 1) {
        if (i == 1) {
            return;
        }
        i --;
    }else{
        i++;
    }
    label.text = [NSString stringWithFormat:@"%ld",(long)i];
    
}