IOS开发6----UIScrollView的使用及经过按钮实现滑页

2.使用按钮实现滑页

//左滑

- (IBAction)prevBtnTouch:(UIButton *)sender {

    current = current - 1;

    CGPoint point = CGPointMake(menuScrollView.frame.size.width * current - menuScrollView.frame.size.width, 0);

    [menuScrollView setContentOffset:point animated:YES];

}

//右滑

- (IBAction)nextBtnTouch:(UIButton *)sender {

    CGPoint point = CGPointMake(menuScrollView.frame.size.width * current, 0);

    [menuScrollView setContentOffset:point animated:YES];

    current = current + 1;

}