iOS里面提供了7個手勢
輕拍，平移，輕掃，縮放，旋轉，長按，屏幕邊界

- (void)viewDidLoad {[super viewDidLoad];//UIImageView 默認關閉用戶響應self.rv.imageView.userInteractionEnabled = YES;#pragma mark -- 輕拍手勢UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)];[self.rv.imageView addGestureRecognizer:tap];#pragma mark --長按手勢UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longAction:)];longPress.minimumPressDuration = 1;[self.rv.imageView addGestureRecognizer:longPress];#pragma mark ---- 旋轉手勢UIRotationGestureRecognizer *rotation = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotationAction:)];[self.rv.imageView addGestureRecognizer:rotation];#pragma mark -----捏合（縮放）UIPinchGestureRecognizer *pinch = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(pinchAction:)];[self.rv.imageView addGestureRecognizer:pinch];#pragma mark ------平移UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(panAction:)];[self.rv.imageView addGestureRecognizer:pan]; }//輕拍手勢的響應事件 - (void)tapAction:(UITapGestureRecognizer *)sender{self.rv.imageView.image = [UIImage imageNamed:@"2"]; }//長按 - (void)longAction:(UILongPressGestureRecognizer *)sender{if (sender.state == UIGestureRecognizerStateBegan) {NSLog(@"別摸我");}if (sender.state == UIGestureRecognizerStateEnded) {NSLog(@"讓你別摸你就別摸啊，這么聽話啊");} }//旋轉的響應事件 - (void)rotationAction:(UIRotationGestureRecognizer *)sender{self.rv.imageView.transform = CGAffineTransformRotate(self.rv.imageView.transform, sender.rotation);//重置旋轉角度sender.rotation = 0;} //捏合縮放響應事件 - (void)pinchAction:(UIPinchGestureRecognizer *)sender{sender.view.transform = CGAffineTransformScale(sender.view.transform, sender.scale, sender.scale);sender.scale = 1; }//平移 - (void)panAction:(UIPanGestureRecognizer *)sender{CGPoint point = [sender translationInView:sender.view];sender.view.transform = CGAffineTransformTranslate(sender.view.transform, point.x, point.y);//將偏移量歸零[sender setTranslation:CGPointZero inView:sender.view]; }

總結

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