ios 轮播图

#import "ViewController.h"

#import "oneViewController.h"

@interface ViewController (){

UIScrollView *theSceo;

NSArray *theArr;

UIPageControl *thePage;

}

@end

@implementation ViewController

- (void)viewDidLoad {

            [super viewDidLoad];

            self.view.backgroundColor = [UIColor whiteColor];

            //初始化滚动视图

       theSceo = [[UIScrollView alloc]initWithFrame:self.view.frame];

        //设置代理

     theSceo.delegate = self;

      //设置按页滚动

    theSceo.pagingEnabled = YES;

    //设置是否显示滚动条

    theSceo.showsHorizontalScrollIndicator = NO;

    //添加到视图

[self.view addSubview:theSceo];

theArr = @[@"1.jpeg",@"2.jpeg",@"3.jpeg",@"4.jpeg"];

CGFloat x = 0.0

theSceo.contentSize = CGSizeMake(x, self.view.frame.size.height);

//初始化一个分页控制器

thePage = [[UIPageControl alloc]initWithFrame:CGRectMake((self.view.frame.size.width)/2-30, self.view.frame.size.height/5*4, 60, 20)];

//设置分页控制器个数

thePage.numberOfPages = theArr.count;

//设置分页控制器的 颜色

thePage.pageIndicatorTintColor = [UIColor whiteColor];

//社会化做分页控制器选中的颜色

thePage.currentPageIndicatorTintColor = [UIColor redColor];

//添加到视图

[self.view addSubview:thePage];

}

//实现分页控制器与滚动视图的关联

- (void)scrollViewDidScroll:(UIScrollView *)scrollView{

thePage.currentPage = theSceo.contentOffset.x/self.view.frame.size.width;

}

-(void)tz{

oneViewController *v1 = [oneViewController new];

[self presentViewController:v1 animated:YES completion:^{

}];

}

@end