结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Plugins/FairyGUI/Scripts/UI/Action/PlayTransitionAction.cs

@@ -0,0 +1,52 @@
+using FairyGUI.Utils;
+
+namespace FairyGUI
+{
+    public class PlayTransitionAction : ControllerAction
+    {
+        public string transitionName;
+        public int playTimes;
+        public float delay;
+        public bool stopOnExit;
+
+        private Transition _currentTransition;
+
+        public PlayTransitionAction()
+        {
+            playTimes = 1;
+            delay = 0;
+        }
+
+        override protected void Enter(Controller controller)
+        {
+            Transition trans = controller.parent.GetTransition(transitionName);
+            if (trans != null)
+            {
+                if (_currentTransition != null && _currentTransition.playing)
+                    trans.ChangePlayTimes(playTimes);
+                else
+                    trans.Play(playTimes, delay, null);
+                _currentTransition = trans;
+            }
+        }
+
+        override protected void Leave(Controller controller)
+        {
+            if (stopOnExit && _currentTransition != null)
+            {
+                _currentTransition.Stop();
+                _currentTransition = null;
+            }
+        }
+
+        override public void Setup(ByteBuffer buffer)
+        {
+            base.Setup(buffer);
+
+            transitionName = buffer.ReadS();
+            playTimes = buffer.ReadInt();
+            delay = buffer.ReadFloat();
+            stopOnExit = buffer.ReadBool();
+        }
+    }
+}