@IBOutlet weak var bgView: UIView! override func viewDidLoad() { super.viewDidLoad() // Do any additional setup after loading the view,typically from a nib. } override func touchesBegan(_ touches: Set<UITouch>,with event: UIEvent?) { let animation = CAKeyframeAnimation() animation.duration = 0.5 let value1 = bgView.frame.origin let value2 = CGPoint.init(x: 0,y: 0) let value3 = CGPoint(x: 400,y: 200) animation.values = NSArray(objects: NSValue(cgPoint: value1),NSValue(cgPoint: value2),NSValue(cgPoint: value3)) as! [Any] bgView.layer.add(animation,forKey: "position") } 原文链接：https://www.f2er.com/swift/322335.html