一，工程圖。

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二，代碼。

ViewController.m

#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

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轉載于:https://www.cnblogs.com/yang-guang-girl/p/7305229.html

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