包外类

 

package {
 import flash.display.Sprite;
 public dynamic class nihao extends Sprite {

  public function nihao() {
   var foo:say=new say();
  }
 }
}
class say{
 public function say(){
  trace("这是包外类输出的");
 }
}

 

//fla中代码

var foo:nihao=new nihao();