【代码笔记】点击搜索跳转到另外一个页面

#import <UIKit/UIKit.h>

@interface RootViewController : UIViewController

@end

#import "RootViewController.h"
#import "DetailViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    //初始化搜索框
    [self creatSearchBar];
}
#pragma -mark -functions
-(void)creatSearchBar
{
    UIImageView * searchView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"search"]];
    searchView.frame = CGRectMake(0, 80, 320, 40);
    searchView.userInteractionEnabled = YES;
    [self.view addSubview:searchView];
    
    UITapGestureRecognizer * tap = [[UITapGestureRecognizer alloc] init];
    tap.numberOfTouchesRequired = 1;
    [tap addTarget:self action:@selector(searchViewPress:)];
    [searchView addGestureRecognizer:tap];
  
    
    UILabel * titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(20, 10, 200, 20)];
    titleLabel.text = @"搜索";
    titleLabel.font = [UIFont systemFontOfSize:12];
    [searchView addSubview:titleLabel];

    
}
#pragma -mark -doClickActions
-(void)searchViewPress:(UIGestureRecognizer *)tap
{
    DetailViewController *detail=[[DetailViewController alloc]init];
    [self.navigationController pushViewController:detail animated:NO];
}

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

#import <UIKit/UIKit.h>

@interface DetailViewController : UIViewController

@end

#import "DetailViewController.h"

@interface DetailViewController ()

@end

@implementation DetailViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

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