Iphone 在视图/视图控制器之间传递变量

嗨，我是ObjectiveC/IPhoneSDK的新手，我正在非正式地尝试自己研究它。我基本上想做的是从一个角度看，有12个星座。当用户单击一个图标时，它将进入第二个带有动画的视图，并在UILabel中加载它单击的黄道带的名称，就是它

这是我的密码： Lovescopes=第1页 占星术=第二页

Lovescopes4AppDelegate.h

#import <UIKit/UIKit.h>
#import "HoroscopesViewController.h"
#import "Lovescopes4AppDelegate.h"

@class Lovescopes4ViewController;

@interface Lovescopes4AppDelegate : NSObject <UIApplicationDelegate> {
    UIWindow *window;
    Lovescopes4ViewController *viewController;
 HoroscopesViewController *horoscopesViewController;
}

-(void)loadHoroscope;
-(void)loadMainPage;

@property (nonatomic, retain) IBOutlet UIWindow *window;
@property (nonatomic, retain) IBOutlet Lovescopes4ViewController *viewController;
@property (nonatomic, retain) HoroscopesViewController *horoscopesViewController;
@end

Lovescopes4ViewController.h

#import <UIKit/UIKit.h>
#import "HoroscopesViewController.h"

@interface Lovescopes4ViewController : UIViewController {
 HoroscopesViewController *hvc;
}

-(IBAction)loadAries;

@property (nonatomic, retain) HoroscopesViewController *hvc;

@end

#import <UIKit/UIKit.h>


@interface HoroscopesViewController : UIViewController {
 IBOutlet UILabel *zodiacLabel;
}

-(void)loadZodiac:(id)zodiacSign;
-(IBAction)back;

@property (nonatomic, retain) IBOutlet UILabel *zodiacLabel;

@end

HoroscopesViewController.h

#import <UIKit/UIKit.h>
#import "HoroscopesViewController.h"

@interface Lovescopes4ViewController : UIViewController {
 HoroscopesViewController *hvc;
}

-(IBAction)loadAries;

@property (nonatomic, retain) HoroscopesViewController *hvc;

@end

#import <UIKit/UIKit.h>


@interface HoroscopesViewController : UIViewController {
 IBOutlet UILabel *zodiacLabel;
}

-(void)loadZodiac:(id)zodiacSign;
-(IBAction)back;

@property (nonatomic, retain) IBOutlet UILabel *zodiacLabel;

@end

---

从我看到的情况来看，您似乎正在实现自己的导航视图控制器功能。也许你应该看看这本指南：

如果使用UINavigationController，当用户单击黄道带时，只需通过设置属性将其传递给局部视图控制器，例如，然后使用[navigationController pushViewController:detailView animated:YES]推送视图控制器

希望这有帮助

#import "HoroscopesViewController.h"
#import "Lovescopes4AppDelegate.h"


@implementation HoroscopesViewController

@synthesize zodiacLabel;
/*
 // The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
        // Custom initialization
    }
    return self;
}
*/

/*
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
    [super viewDidLoad];
}
*/

/*
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
    // Return YES for supported orientations
    return (interfaceOrientation == UIInterfaceOrientationPortrait);
}
*/

-(void)loadZodiac:(id)zodiacSign {
zodiacLabel.text = [NSString stringWithFormat: @"%@", zodiacSign];
}

-(IBAction)back {
 Lovescopes4AppDelegate *mainDelegate = (Lovescopes4AppDelegate *) [[UIApplication sharedApplication] delegate];
 [mainDelegate loadMainPage];
}