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Template　Method(模板方法)模式AS2实现

类别: Flash教程

　　 Template   Method(模板方法)模式AS2实现
class AbstractClass
{
   private function AbstractClass()
   {
   }
   // Methods
   public function PrimitiveOperation1():Void
   {
   }
   public function PrimitiveOperation2():Void
   {
   }
   // The Template method
   public function TemplateMethod():Void
   {
      trace("In AbstractClass.TemplateMethod()");
      PrimitiveOperation1();
      PrimitiveOperation2();
   }
}

// "ConcreteClass"
class ConcreteClass extends AbstractClass
{
   // Methods
   public function PrimitiveOperation1():Void
   {
      trace("Called ConcreteClass.PrimitiveOperation1()");
   }
   public function PrimitiveOperation2():Void
   {
      trace("Called ConcreteClass.PrimitiveOperation2()");
   }
}

//Context.fla
var c:ConcreteClass = new ConcreteClass();
c.TemplateMethod();

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