使用按钮手动滚动已分页的uiScrollView

#pragma mark -
#pragma mark Use a UIButton to scroll a UIScrollView Left or Right

-(IBAction)scrollRight{ 
    if(pos<9){pos +=1;
        [scrollView scrollRectToVisible:CGRectMake(pos*scrollView.frame.size.width, 0, self.view.frame.size.width, self.view.frame.size.height) animated:YES];
        NSLog(@"Position: %i",pos);
    }
}
-(IBAction)scrollLeft{  
    if(pos>0){pos -=1;
        [scrollView scrollRectToVisible:CGRectMake(pos*scrollView.frame.size.width, 0, self.view.frame.size.width, self.view.frame.size.height) animated:YES];
        NSLog(@"Position: %i",pos);
    }
}