public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
 {
     using (new EditorGUI.PropertyScope(position, label, property))
     {
         AnimatorHelp help = property.serializedObject.targetObject as AnimatorHelp;
         if (help != null)
         {
             foreach (ParaEnum value in Enum.GetValues(typeof(ParaEnum)))
             {
                 if (help.GetSelectedData(value))
                 {
                     var para = property.FindPropertyRelative(value.ToString());
                     EditorGUILayout.PropertyField(para);
                 }
             }
         }
     }
 }
        private void ChangeTransitionData()
        {
            foreach (KeyValuePair <AnimatorStateTransition, bool> pair in _help.TransitionsDic)
            {
                if (pair.Value)
                {
                    foreach (ParaEnum value in Enum.GetValues(typeof(ParaEnum)))
                    {
                        if (_help.GetSelectedData(value))
                        {
                            var to   = pair.Key.GetType().GetProperty(value.ToString());
                            var from = _help.TransitionPara.GetType().GetField(value.ToString());
                            to.SetValue(pair.Key, from.GetValue(_help.TransitionPara));
                        }
                    }
                }
            }

            EditorUtility.DisplayDialog("", "修改完成", "是");
        }