iOS二维码的生成代码

#import "ViewController.h"
#import "ScanViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
 [super viewDidLoad];
 // Do any additional setup after loading the view, typically from a nib.
}
-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
{
 ScanViewController *scanView=[[ScanViewController alloc]init];
 [self.navigationController pushViewController:scanView animated:NO];
 
}
- (void)didReceiveMemoryWarning {
 [super didReceiveMemoryWarning];
 // Dispose of any resources that can be recreated.
}

@end