iOS 导航控制器返回栈中的某一控制器

                                      

#import <UIKit/UIKit.h>

@interface AppDelegate : UIResponder <UIApplicationDelegate>

@property (strong, nonatomic) UIWindow *window;


@end

#import "AppDelegate.h"
#import "FirstViewController.h"
@interface AppDelegate ()

@end

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    // Override point for customization after application launch.
    self.window.backgroundColor = [UIColor whiteColor];
    //初始化控制器
    UINavigationController *navi = [[UINavigationController alloc] initWithRootViewController:[[FirstViewController alloc] init]];
    self.window.rootViewController = navi;
    
    [self.window makeKeyAndVisible];
    return YES;
}


@end

#import <UIKit/UIKit.h>

@interface FirstViewController : UIViewController

@end

#import "FirstViewController.h"
#import "SecondViewController.h"
@interface FirstViewController ()

@end

@implementation FirstViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor redColor];
    self.title = @"第一个控制器";
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(70, 100, 180, 45);
    button.backgroundColor = [UIColor whiteColor];
    [button setTitle:@"跳到第二个控制器" forState:0];
    [button setTitleColor:[UIColor greenColor] forState:0];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}

- (void)buttonAction:(UIButton *)sender{
    [self.navigationController pushViewController:[[SecondViewController alloc] init] animated:YES];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

#import <UIKit/UIKit.h>

@interface SecondViewController : UIViewController

@end

#import "SecondViewController.h"
#import "ThirdViewController.h"
@interface SecondViewController ()

@end

@implementation SecondViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor orangeColor];
    self.title = @"第二个控制器";
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(70, 100, 180, 45);
    button.backgroundColor = [UIColor whiteColor];
    [button setTitle:@"跳到第三个控制器" forState:0];
    [button setTitleColor:[UIColor greenColor] forState:0];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}

- (void)buttonAction:(UIButton *)sender{
    [self.navigationController pushViewController:[[ThirdViewController alloc] init] animated:YES];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

#import <UIKit/UIKit.h>

@interface ThirdViewController : UIViewController

@end

#import "ThirdViewController.h"
#import "FourthViewController.h"

@interface ThirdViewController ()

@end

@implementation ThirdViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"第三个控制器";
    self.view.backgroundColor = [UIColor yellowColor];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(70, 100, 180, 45);
    button.backgroundColor = [UIColor whiteColor];
    [button setTitle:@"跳到第四个控制器" forState:0];
    [button setTitleColor:[UIColor greenColor] forState:0];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}

- (void)buttonAction:(UIButton *)sender{
    [self.navigationController pushViewController:[[FourthViewController alloc] init] animated:YES];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

#import <UIKit/UIKit.h>

@interface FourthViewController : UIViewController

@end

#import "FourthViewController.h"
#import "FifthViewController.h"
@interface FourthViewController ()

@end

@implementation FourthViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"第四个控制器";
    self.view.backgroundColor = [UIColor greenColor];
    
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame = CGRectMake(70, 100, 180, 45);
    button.backgroundColor = [UIColor whiteColor];
    [button setTitle:@"跳到第五个控制器" forState:0];
    [button setTitleColor:[UIColor greenColor] forState:0];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];

}

- (void)buttonAction:(UIButton *)sender{
    [self.navigationController pushViewController:[[FifthViewController alloc] init] animated:YES];
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end

#import <UIKit/UIKit.h>

@interface FifthViewController : UIViewController

@end

#import "FifthViewController.h"
#import "ThirdViewController.h"
@interface FifthViewController ()

@end

@implementation FifthViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.title = @"第五个控制器";
    self.view.backgroundColor = [UIColor blueColor];
    [self setupViews];
}
/**
 *  初始化视图
 */
- (void)setupViews{
    [self initializeButtonWithFrame:CGRectMake(70, 100, 180, 45) tag:1000 title:@"返回第一个控制器"];
    [self initializeButtonWithFrame:CGRectMake(70, 160, 180, 45) tag:1001 title:@"返回第二个控制器"];
    [self initializeButtonWithFrame:CGRectMake(70, 220, 180, 45) tag:1002 title:@"返回第三个控制器"];
    [self initializeButtonWithFrame:CGRectMake(70, 280, 180, 45) tag:1003 title:@"返回第四个控制器"];
}
/**
 *  初始化button
 *
 *  @param frame 尺寸
 *  @param tag   标签
 *  @param title button的标题
 */
- (void)initializeButtonWithFrame:(CGRect)frame tag:(NSInteger)tag title:(NSString *)title {
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.frame =frame;
    button.tag = tag;
    button.backgroundColor = [UIColor orangeColor];
    [button setTitle:title forState:0];
    [button setTitleColor:[UIColor whiteColor] forState:0];
    [button addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:button];
}
/**
 *  button触发的事件
 */
- (void)buttonAction:(UIButton *)sender{
//     在self.navigationController.viewControllers数组(的栈)中找到相应的控制器
    UIViewController *viewController = self.navigationController.viewControllers[sender.tag - 1000];
    [self.navigationController popToViewController:viewController animated:YES];
    
    //跳到某一控制器
    //遍历导航控制器(栈)中的控制器
//    for (UIViewController *controller in self.navigationController.viewControllers) {
//        // 找到相应的控制器
//        if ([controller isKindOfClass:[ThirdViewController class]]) {
//            //跳转到该控制器
//            [self.navigationController popToViewController:controller animated:YES];
//        }
//    }
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

@end