sampledynamicclass.as

《Flash AS3殿堂之路》光盘源码 学习ActionScript 3.0

package org.kingda.book.basicoop
{
	import flash.display.Sprite;

	public class SampleDynamicClass extends Sprite
	{
		public function SampleDynamicClass() {
			var foo:Foo = new Foo();
			var bar:Bar = new Bar();
			//foo.url = "http://www.kingda.org";
			//报错：1119: Access of possibly undefined property url through a reference with static type SampleDynamicClass.as$0:Foo.
			bar.url = "http://www.kingda.org";
			bar.description = "A lot of interesting articles.";
			//trace (foo.url);
			trace (bar.url);
			bar.accessMember = function() {
				trace ("===");
				trace (this.web);
				bar.author = "123";
				trace (this.author);
				trace (bar.getAuthor());
				trace (this.author);
				trace ("===");
			};
			
			bar.accessMember();
			for (var i in foo) {
				trace (i + ":" + foo[i]);
			}
			trace ("-----");
			for (var k in bar) {
				trace (k + ":" + bar[k]);
			}
			
			var barSub:BarSub = new BarSub();
			//barSub.url = "asdf";
		}
	}
}
class Foo {
	public var web:String = "Kingda's Blog";
}
dynamic class Bar {
	public var web:String = "Kingda's Blog";
	private var author:String = "Kingda Sun";
	public function getAuthor():String {
		return author;
	}
}
class BarSub extends Bar {
	
}