uiscrollerview循环滚动（参考第三方库：HMBannerView）https://github.com/iunion/autoScrollBanner

#import <UIKit/UIKit.h>

#import "HMBannerView.h"

@interface ViewController : UIViewController<HMBannerViewDelegate>

// Banner

@property (nonatomic, strong) HMBannerView *bannerView;

@end

#import "ViewController.h"

@interface ViewController ()

@property (strong, nonatomic) IBOutlet UIView *topView;

@end

@implementation ViewController

- (void)dealloc

{

    self.bannerView.delegate = nil;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

    NSMutableArray *dataArray = [NSMutableArray arrayWithCapacity:];

    NSDictionary *bannerDic = [NSDictionary dictionaryWithObjectsAndKeys:@"http://pic01.babytreeimg.com/foto3/photos/2014/0211/68/2/4170109a41ca935610bf8_b.png", @"img_url", nil];

    [dataArray addObject:bannerDic];

    bannerDic = [NSDictionary dictionaryWithObjectsAndKeys:@"http://pic01.babytreeimg.com/foto3/photos/2014/0127/19/9/4170109a267ca641c41ebb_b.png", @"img_url", nil];

    [dataArray addObject:bannerDic];

    bannerDic = [NSDictionary dictionaryWithObjectsAndKeys:@"http://pic02.babytreeimg.com/foto3/photos/2014/0207/59/4/4170109a17eca86465f8a4_b.jpg", @"img_url", nil];

    [dataArray addObject:bannerDic];

    if (self.bannerView != nil)

    {

        [self.bannerView reloadBannerWithData:dataArray];

    }

    else

    {

        self.bannerView = [[HMBannerView alloc] initWithFrame:CGRectMake(, , _topView.frame.size.width, ) scrollDirection:ScrollDirectionLandscape images:dataArray];

        [self.bannerView setRollingDelayTime:1.0];//设置定时时间

        [self.bannerView setDelegate:self];

       // [self.bannerView setSquare:1];设置边角

        [self.bannerView setPageControlStyle:PageStyle_Middle];//分页控件的位置

        [self.bannerView startDownloadImage];

        [_topView addSubview:self.bannerView];

        //[self.bannerView showClose:YES];不显示图片

    }

    NSMutableArray *dataArray1 = [NSMutableArray arrayWithCapacity:];

    NSDictionary *bannerDic1 = [NSDictionary dictionaryWithObjectsAndKeys:@"http://pic05.babytreeimg.com/foto3/photos/2014/0124/88/2/4170109a13aca59db86761_b.png", @"img_url", nil];

    [dataArray1 addObject:bannerDic1];

    bannerDic1 = [NSDictionary dictionaryWithObjectsAndKeys:@"http://pic01.babytreeimg.com/foto3/photos/2014/0124/18/3/4170109a253ca5b0d88192_b.png", @"img_url", nil];

    [dataArray1 addObject:bannerDic1];

    HMBannerView *bannerView = [[HMBannerView alloc] initWithFrame:CGRectMake(, , , ) scrollDirection:ScrollDirectionLandscape images:dataArray1];

    [bannerView setRollingDelayTime:2.0];

    [bannerView setDelegate:self];

    [bannerView setSquare:];

    [bannerView setPageControlStyle:PageStyle_Left];

    [bannerView showClose:YES];

    [bannerView startDownloadImage];

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

#pragma mark -

#pragma mark HMBannerViewDelegate

- (void)imageCachedDidFinish:(HMBannerView *)bannerView

{

    if (bannerView == self.bannerView)

    {

        if (self.bannerView.superview == nil)

        {

            [self.view addSubview:self.bannerView];

        }

        [self.bannerView startRolling];

    }

    else

    {

        [self.view addSubview:bannerView];

        [bannerView startRolling];

    }

}

- (void)bannerView:(HMBannerView *)bannerView didSelectImageView:(NSInteger)index withData:(NSDictionary *)bannerData

{

    NSLog(@"bannerdata=%@,index=%d",bannerData,index);

}

- (void)bannerViewdidClosed:(HMBannerView *)bannerView;

{

    if (bannerView.superview)

    {

        [bannerView removeFromSuperview];

    }

}

@end