1、添加UITapGestureRecognizer //doubletapUITapGestureRecognizer*doubleTapRecognizer=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(doubleTap:)];doubleTapRecognizer.numberOfTapsRequired=2;doubleTapRecognizer.delaysTouchesBegan=YES;[self.viewaddGestureRecognizer:doubleTapRecognizer];//

1、添加UITapGestureRecognizer //doubletapUITapGestureRecognizer*doubleTapRecognizer=[[UITapGestureRecognizeralloc]initWithTarget:selfaction:@selector(doubleTap:)];doubleTapRecognizer.numberOfTapsRequired=2;doubleTapRecognizer.delaysTouchesBegan=YES;[self.viewaddGestureRecognizer:doubleTapRecognizer];//