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);
}