需要创建一个UIView, 把touch event写在此UIView里, 然后在controller里创建此UIView

@interface YourCustomView : UIView @implementation YourCustomView // Override this function to get the touch - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
       NSLog(@"TOUCH!"); }

 

@interface YourViewController : UIViewController {
        YourCustomView*    view  }