Flash 如何避免这个错误；与继承的定义“存在冲突”；？

我在库中有3个mc:类别1，类别2，类别3，其中每个mc都有相同的实例名称：\u背景，\u图片，但内容完全不同。我想做的是创建一个超级类别类，该类将在图片背景上执行相同的操作。所以在库中，我导出了Actionscript类别1，类别2，类别3

public class SuperCategory extends MovieClip
{
    public var _picture:MovieClip;
    public var _background:MovieClip;
    public var time:int = 0;

    public function SuperCategory() 
    {
         addEventListener(MouseEvent.ROLL_OVER, onRollOver)
    }
    public function onRollOver(event:MouseEvent):void
    {
         TweenMax.to(_picture,time,{alpha:0.2});
    }

}

我想扩展这个类

public class Category1 extends SuperCategory
{
    public function Category1()
    {
        time = 2;
        super();
    }
}

---

我知道公共变量图片和库中名为_图片的实例的mc之间存在冲突，但我如何才能这样做并避免此错误？

如果在类别mc中您将实例名称更改为其他名称，可能是“_图片”。 然后在构造函数的Category类中执行以下操作：

public class Category1 extends SuperCategory{    
       public function Category1()    
       {        
          time = 2;        
          super();   
          registerRollOver(_pic);
       }
}

超范畴类

 public class SuperCategory extends MovieClip
    {
        public var _picture:MovieClip;
        public var _background:MovieClip;
        public var time:int = 0;

        public function SuperCategory() 
        {

        }
        public function onRollOver(event:MouseEvent):void
        {
           TweenMax.to(_picture,time,{alpha:0.2});
        }

        public function registerRollover(clip:MovieClip):void
        {
           _picture = clip; //in case you want it to be class member still
           _picture.addEventListener(MouseEvent.ROLL_OVER, onRollOver)
        }

    }

---

如果在类别MC中，您将实例名称更改为其他名称，可能是“\u pic”。 然后在构造函数的Category类中执行以下操作：

public class Category1 extends SuperCategory{    
       public function Category1()    
       {        
          time = 2;        
          super();   
          registerRollOver(_pic);
       }
}

超范畴类

 public class SuperCategory extends MovieClip
    {
        public var _picture:MovieClip;
        public var _background:MovieClip;
        public var time:int = 0;

        public function SuperCategory() 
        {

        }
        public function onRollOver(event:MouseEvent):void
        {
           TweenMax.to(_picture,time,{alpha:0.2});
        }

        public function registerRollover(clip:MovieClip):void
        {
           _picture = clip; //in case you want it to be class member still
           _picture.addEventListener(MouseEvent.ROLL_OVER, onRollOver)
        }

    }

---

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