// MARK: - UIView动画-过度动画
     var redView:UIView?
     var blueView:UIView?

 //    enum UIViewAnimationTransition : Int {
 //
 //        case None
 //        case FlipFromLeft
 //        case FlipFromRight
 //        case CurlUp
 //        case CurlDown
 //    }

     //上翻页
     @IBAction func excessiveAnimationRed()
     {
         UIView.beginAnimations(nil, context: nil)
         UIView.setAnimationDuration(1.0)//设置动画时间
         UIView.setAnimationTransition(UIViewAnimationTransition.CurlUp, forView: self.view, cache: true)
         self.view.exchangeSubviewAtIndex(, withSubviewAtIndex: )
         UIView.commitAnimations()
     }

     //下翻页
     @IBAction func excessiveAnimationBlue()
     {
         UIView.beginAnimations(nil, context: nil)
         UIView.setAnimationDuration(1.0)//设置动画时间
         UIView.setAnimationTransition(UIViewAnimationTransition.CurlDown, forView: self.view, cache: true)
         self.view.exchangeSubviewAtIndex(, withSubviewAtIndex: )
         UIView.commitAnimations()
     }

     // MARK: - UIView动画-翻转
     @IBAction func flipAnimation()
     {
         UIView.beginAnimations(nil, context: nil)
         UIView.setAnimationDuration(1.0)//设置动画时间
         UIView.setAnimationTransition(UIViewAnimationTransition.FlipFromLeft, forView: testImageView, cache: true)
 //        UIView.setAnimationTransition(UIViewAnimationTransition.FlipFromRight, forView: testImageView, cache: true)
         UIView.commitAnimations()
     }