@interface PageAppViewController : UIViewController<</span>UIPageViewControllerDataSource>{

}

@property (strong, nonatomic) UIPageViewController *pageController;

@property (strong, nonatomic) NSArray *pageContent;

@end

#import "PageAppViewController.h"

#import "MoreViewController.h"

@interface PageAppViewController ()

@end

@implementation PageAppViewController

@synthesize pageContent=_pageContent;

@synthesize pageController=_pageController;

- (void)dealloc{

    [_pageContent release];

    [_pageController release];

    [super dealloc];

}

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

[self createContentPages];// 初始化所有数据

    // 设置UIPageViewController的配置项

    NSDictionary *options =[NSDictionary dictionaryWithObject:[NSNumber numberWithInteger:UIPageViewControllerSpineLocationMin]

                                                       forKey: UIPageViewControllerOptionSpineLocationKey];

    // 实例化UIPageViewController对象，根据给定的属性

    self.pageController = [[UIPageViewController alloc] initWithTransitionStyle:UIPageViewControllerTransitionStylePageCurl

                                                          navigationOrientation:UIPageViewControllerNavigationOrientationHorizontal

                                                                        options: options];

    // 设置UIPageViewController对象的代理 

    _pageController.dataSource = self;

    // 定义“这本书”的尺寸

    [[_pageController view] setFrame:[[self view] bounds]];

    // 让UIPageViewController对象，显示相应的页数据。

    // UIPageViewController对象要显示的页数据封装成为一个NSArray。

    // 因为我们定义UIPageViewController对象显示样式为显示一页（options参数指定）。

    // 如果要显示2页，NSArray中，应该有2个相应页数据。

    MoreViewController *initialViewController =[self viewControllerAtIndex:0];// 得到第一页

    NSArray *viewControllers =[NSArray arrayWithObject:initialViewController];

    [_pageController setViewControllers:viewControllers

                              direction:UIPageViewControllerNavigationDirectionForward

                               animated:NO

                             completion:nil];

    // 在页面上，显示UIPageViewController对象的View

    [self addChildViewController:_pageController];

    [[self view] addSubview:[_pageController view]];

}

// 初始化所有数据

- (void) createContentPages {

    NSMutableArray *pageStrings = [[NSMutableArray alloc] init];

    for (int i = 1; i < 11; i++){

        NSString *contentString = [[NSString alloc] initWithFormat:@"

Chapter %d

This is the page %d of content displayed using UIPageViewController in iOS 5.

        [pageStrings addObject:contentString];

    }

    self.pageContent = [[NSArray alloc] initWithArray:pageStrings];

}

- (void)didReceiveMemoryWarning

{

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreaviewControllerAtIndexed.

}

// 得到相应的VC对象

- (MoreViewController *)viewControllerAtIndex:(NSUInteger)index {

    if (([self.pageContent count] == 0) || (index >= [self.pageContent count])) {

        return nil;

    }

    // 创建一个新的控制器类，并且分配给相应的数据

    MoreViewController *dataViewController =[[MoreViewController alloc] init];

    dataViewController.dataObject =[self.pageContent objectAtIndex:index];

    return dataViewController;

}

// 根据数组元素值，得到下标值

- (NSUInteger)indexOfViewController:(MoreViewController *)viewController {

    return [self.pageContent indexOfObject:viewController.dataObject];

}

#pragma mark- UIPageViewControllerDataSource

// 返回上一个ViewController对象

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController{

    NSUInteger index = [self indexOfViewController:(MoreViewController *)viewController];

    if ((index == 0) || (index == NSNotFound)) {

        return nil;

    }

    index--;

    // 返回的ViewController，将被添加到相应的UIPageViewController对象上。

    // UIPageViewController对象会根据UIPageViewControllerDataSource协议方法，自动来维护次序。

    // 不用我们去操心每个ViewController的顺序问题。

    return [self viewControllerAtIndex:index];

}

// 返回下一个ViewController对象

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController{

    NSUInteger index = [self indexOfViewController:(MoreViewController *)viewController];

    if (index == NSNotFound) {

        return nil;

    }

    index++;

    if (index == [self.pageContent count]) {

        return nil;

    }

    return [self viewControllerAtIndex:index];

}

@end

MoreViewController.h

#import

@interface MoreViewController : UIViewController<</span>UIWebViewDelegate>{

}

@property (nonatomic, retain) UIWebView *myWebView;

@property (nonatomic, retain) id dataObject;

@end

#import "MoreViewController.h"

@implementation MoreViewController

@synthesize myWebView=_myWebView;

@synthesize dataObject=_dataObject;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

- (void)dealloc{

    [_myWebView release];

    [super dealloc];

}

- (void) loadView{

    [super loadView];

    self.myWebView = [[UIWebView alloc] initWithFrame:self.view.bounds];

}

- (void)viewDidLoad{

    [super viewDidLoad];

}

- (void) viewWillAppear:(BOOL)paramAnimated{

    [super viewWillAppear:paramAnimated];

    [self.myWebView loadHTMLString:_dataObject baseURL:nil];

    [self.view addSubview:self.myWebView];

}

- (void) viewWillDisappear:(BOOL)paramAnimated{

}

@end

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerBeforeViewController:(UIViewController *)viewController;

- (UIViewController *)pageViewController:(UIPageViewController *)pageViewController viewControllerAfterViewController:(UIViewController *)viewController;

MoreViewController *initialViewController =[self viewControllerAtIndex:0];// 得到第一页

    NSArray *viewControllers =[NSArray arrayWithObject:initialViewController];

    [_pageController setViewControllers:viewControllers

                              direction:UIPageViewControllerNavigationDirectionForward

                               animated:NO

                             completion:nil];

    // 在页面上，显示UIPageViewController对象的View

    [self addChildViewController:_pageController];

    [[self view] addSubview:[_pageController view]];

[self createContentPages];// 初始化所有数据