iOS中的分页控件(UIPageControl)

#import "RootViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    /**
     *  UIPageControl 分页控件,提供以下几个功能:
     1.展示当前总页数
     2.展示当前是第几页
     3.切换pageControl的当前显示的点对应显示不同的界面
     */
    //1.创建控件
    UIPageControl *pageControl = [[UIPageControl alloc] initWithFrame:CGRectMake(20, 30, 260, 30)];
    
    //2.配置属性
   // pageControl.backgroundColor = [UIColor redColor];
    //3.设置显示的总页数
    pageControl.numberOfPages = 10;
    //4.设置点颜色
    pageControl.pageIndicatorTintColor = [UIColor redColor];
    
    
    //设置当前点的颜色   current 当前的意思
    pageControl.currentPageIndicatorTintColor = [UIColor blueColor];
    
    //设置默认的当前点
    pageControl.currentPage = 5;
    
    //添加响应事件
    [pageControl addTarget:self action:@selector(handlePageControl:) forControlEvents:UIControlEventValueChanged];
    

    
    
    
    
    
    //3.添加到父视图
    [self.view addSubview:pageControl];
    //4.释放
    [pageControl release];
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
#pragma 点
- (void)handlePageControl:(UIPageControl *)pageControl
{
    NSLog(@"%ld",pageControl.currentPage);
}