设计模式试验策略模式复习课程

1、设计模式实验1-策略模式实验报告课程： 设计模式实验 学期：2010-2011学年第一学期 任课教师:专业：学号： 姓名：成绩：实验1策略模式1题目:在教材25页上，有一堆杂乱的类与接口，选取自一个动作冒险游戏。我们能 看到代表游戏角色的类和角色可以使用的武器行为的类。每个角色一次只能使 用一种武器，但是可以在游戏的过程中换武器，使用策略模式完成实验要求。2模式设计的UML类图:Chars cter/'/eaponEeha'fior wsapar)3aTaMoF内 camm让wurseWeapon(Bell口冲珀20WOeetV/pjponEeh3-yiar( j “硝色的其他

2、行为deplayfi由叩叩I fight ：cicpb/i)KnieBeha/ior次期可匕百利乐 iB owAn dArmwB eh avi or取现用弓市密壬Sward Be h avi cruR-V/if?pc：n(a户去现用匕百则乘卜3程序源代码:(1)角色抽象类 Character.java:public abstract class Character (WeaponBehavior weaponBehaviorpublicCharacter。;public abstract void display();public void fight() / 委托给行为类( weaponBe

3、havior .useWeapon();、public void setWeaponBehavior(WeaponBehavior wb)/ 设置武器类型( weaponBehavior = wb;(2)继承角色抽象类的各个子类：public class King extends Character (public King()CweaponBehavior = new SwordBehavior();/ 初始化武器类型 public void display() System. out .print( "King :"); public class Queen exten

4、ds Characterpublic Queen()/初始化武器/初 weaponBehavior = new KnifeBehavior(); 类型 public void display() System. out .print( "Queen :"); public class Knight extends Characterpublic Knight()weaponBehavior = new BowAndArrowBehavior(); 始化武器类型public void display()System. out .print( "Knight &quo

5、t;);public class Troll extends Characterpublic Troll() (/初始化武器weaponBehavior = new AxeBehavior(); 类型public void display()JSystem. out .print( "Troll :");(3)武器行为的接口 WeaponBehavior.java：public interface WeaponBehavior (public void useWeapon();public class (public(System.(4)实现武器行为接口的各个子类:AxeB

6、ehaviorimplementsWeaponBehaviorvoid useWeapon();out .println("用斧头砍劈！(AxeBehavior)”public class BowAndArrowBehavior implements WeaponBehavior (public void useWeapon()SSystem. out .println("用弓箭射击！(BowAndArrowBehavior )");public class KnifeBehavior (public void useWeapon() (System. out .

7、println( implements WeaponBehavior用匕首刺杀！( KnifeBehavior" );public class (public(System.SwordBehavior implementsvoid useWeapon()out .println( "用宝剑刺杀！WeaponBehaviorSwordBehavior);(5)角色打斗的主类 CharacterFight.java：static void main(String args)public class public CharacterFightCharacter king =Cha

8、racter queen =Character knight =Character troll =new King();new Queen();new Knight();new Troll();king.display();System. out .print( king.fight();"妖怪过来了，让我");queen.display();System. out .print( queen.fight();“我手里有匕首，我");troll.display();System. out .print( troll.fight();"哈哈，我不怕你们，我

9、");knight.display();System. out .print( knight.fight();"国王小心，让我");king.display();System. out .print( "你的射击水平太差了，还是让我来吧，我 ")； king.setWeaponBehavior( new BowAndArrowBehavior();/ 更换武器king.fight();troll.display();System. out .print( "哈哈，你们完蛋了，我也有弓箭， ")； troll.setWeaponBehavior(new BowAndArrowBehavior();/ 更换武器troll.fight();king.display();System. out .println( "骑士，用你的斧头啊！给我使劲劈死他。")；knight.display();System. out .print( "是，国王