swift 中手勢的使用

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/**點選手勢*/func tapGestureDemo() {    //建立手勢辨識器    let gesture = UITapGestureRecognizer(target: self, action: "viewTap:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**縮放手勢*/func pinchGestureDemo() {    //建立手勢辨識器    let gesture = UIPinchGestureRecognizer(target: self, action: "viewPinch:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**旋轉手勢*/func rotationGestureDemo() {    //建立手勢辨識器    let gesture = UIRotationGestureRecognizer(target: self, action: "viewRotation:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**滑動手勢*/func swipeGestureDemo() {    //建立手勢辨識器    let gesture = UISwipeGestureRecognizer(target: self, action: "viewSwipe:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**平移手勢*/func panGestureDemo() {    //建立手勢辨識器    let gesture = UIPanGestureRecognizer(target: self, action: "viewPan:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**長按手勢*/func LongPressGestureDemo() {    //建立手勢辨識器    let gesture = UILongPressGestureRecognizer(target: self, action: "viewLongPress:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}/**自訂手勢*/func custonGestureDemo() {    //建立手勢辨識器    let gesture = CustomGestureRecognizer(target: self, action: "viewCustom:")    //附加辨識器到視圖    self.view1.addGestureRecognizer(gesture)}//-----------------------手勢action事件---------------------------/**點擊事件*/@IBAction func viewTap(sender: UITapGestureRecognizer) {    print("clicked...")}/**縮放事件*/func viewPinch(sender: UIPinchGestureRecognizer) {    print("pinch...")    let _width = view1.bounds.width    let _height = view1.bounds.height    view1.bounds.size = CGSize(width: _width * sender.scale, height: _height * sender.scale)}/**旋轉事件*/func viewRotation(sender: UIRotationGestureRecognizer) {    view1.transform = CGAffineTransformMakeRotation(sender.rotation)}/**滑動事件*/var offsetX: CGFloat = 0func viewSwipe(sender: UISwipeGestureRecognizer) {    if sender.direction == UISwipeGestureRecognizerDirection.Right {        //每次向右平移20        offsetX += 20        view1.transform = CGAffineTransformMakeTranslation(offsetX, 0)    }}/**平移事件*/func viewPan(sender: UIPanGestureRecognizer) {    let _transX = sender.translationInView(view1).x    let _transY = sender.translationInView(view1).y    view1.transform = CGAffineTransformMakeTranslation(_transX, _transY)}/**長按事件*/func viewLongPress(sender: UILongPressGestureRecognizer) {    print("long pressed....")}func viewCustom(sender: CustomGestureRecognizer) {    print("custom gesture...")}

　　

swift 中手勢的使用