package com.dp.decorator {
import com.dp.decorator.Beverage;
import com.dp.decorator.CondimentDecorator;
/**
* @author tkj
*/
public class Mocha extends CondimentDecorator {
publicvar yinliao : Beverage;
public function Mocha(yinliao1 : Beverage) {
this.yinliao = yinliao1;
}
public override functiongetDescription() : String {
return yinliao.getDescription() “.Mocha”;
}
public override function cost() : Number {
return yinliao.cost() 0.20;
}
}
}
//第五个as文件 是另一个调料的子类Soy豆沫跟上一个类似
package com.dp.decorator {
import com.dp.decorator.Beverage;
import com.dp.decorator.CondimentDecorator;
/**
* @author tkj
*/
public class Soy extends CondimentDecorator {
publicvar yinliao : Beverage;
public function Soy(yinliao1 : Beverage) {
this.yinliao = yinliao1;
}
public override functiongetDescription() : String {
return yinliao.getDescription() “.Soy “;
}
public override function cost() : Number {
return yinliao.cost() 0.3;
}
}
}
//第六个类，就是使用上述模式了，介绍看代码内部的注解。
package {
import flash.display.Sprite;
import com.dp.decorator.*;
/**
* @author tkj
*/
public class Dinggou extends Sprite {
public function Dinggou() {
//点一种饮料，注意类型Beverage，这个是在上面所有类中的通行证.一开始没有注意在这里摔了
var yinliao1 : Beverage = new Espresso();
//加点摩卡
yinliao1 = new Mocha(yinliao1);
//再加点摩卡
yinliao1 = new Mocha(yinliao1);
//加点豆沫
yinliao1 = new Soy(yinliao1);
//再加点摩卡（不会还不够吧？要不够还可以再加哦！）
yinliao1 = new Mocha(yinliao1);
//够了，结帐。
trace(yinliao1.getDescription() “$” yinliao1.cost());
}
}
}
