UI UIPageControl

<span style="font-size:18px;">    UIPageControl *pageControl=[[UIPageControl alloc]initWithFrame:CGRectMake(50, 400, 200, 50)];
    pageControl.backgroundColor=[UIColor orangeColor];
    //设置页数
    pageControl.numberOfPages=5;
    //设置当前页指到那一页
    pageControl.currentPage=2;
    //设置小圆点的颜色
    pageControl.pageIndicatorTintColor=[UIColor blueColor];
    //设置当前页小圆点的颜色
    pageControl.currentPageIndicatorTintColor=[UIColor blackColor];
    [pageControl addTarget:self action:@selector(pageControlAction:) forControlEvents:UIControlEventValueChanged];
    [self.view addSubview:pageControl];
    [pageControl release];
    

- (void)pageControlAction:(UIPageControl*)pageControl
{
    NSLog(@"%d",pageControl.currentPage);
}
</span>