Java 프록시(Proxy) 모드 구현에 대한 자세한 코드 설명

클래스 다이어그램

rrreerrree

/**
 * 游戏者接口
 * @author stone
 * 
 */
public interface IGamePlayer {

	// 登录游戏
	public void login(String user, String password);

	// 杀怪，网络游戏的主要特色
	public void killBoss();

	// 升级
	public void upgrade();

}

/**
 * 游戏者
 * @author stone
 *
 */
public class GamePlayer implements IGamePlayer {

	private String name = "";

	// 通过构造函数传递名称
	public GamePlayer(String _name) {
		this.name = _name;
	}

	// 打怪，最期望的就是杀老怪

	public void killBoss() {

		System.out.println(this.name + " 在打怪！");

	}

	// 进游戏之前你肯定要登录吧，这是一个必要条件
	public void login(String user, String password) {
		System.out.println("登录名为" + user + " 的角色 " + this.name + "登录成功！");
	}

	// 升级，升级有很多方法，花钱买是一种，做任务也是一种
	public void upgrade() {
		System.out.println(this.name + " 又升了一级！");
	}

}

/**
 * 客户端 对被代理对象不可见
 */
public class GamePlayerProxy implements IGamePlayer {

	private IGamePlayer gamePlayer = null;//被代理对象

	// 通过构造函数传递要对谁进行代练
	public GamePlayerProxy(String username) {
		this.gamePlayer = new GamePlayer(username);
	}

	// 代练杀怪
	public void killBoss() {
		this.gamePlayer.killBoss();
	}

	// 代练登录
	public void login(String user, String password) {
		this.gamePlayer.login(user, password);
	}

	// 代练升级
	public void upgrade() {
		this.gamePlayer.upgrade();
	}

}

/*
 * 客户端 对被代理对象不可见
 */
public class GamePlayerProxy2 implements IGamePlayer {

	private IGamePlayer gamePlayer = null;//被代理对象

	// 通过构造函数传递要对谁进行代练
	public GamePlayerProxy2(String username) {
		this.gamePlayer = new GamePlayer(username);
	}

	// 代练杀怪
	public void killBoss() {
		this.gamePlayer.killBoss();
	}

	// 代练登录
	public void login(String user, String password) {
		System.out.println("登录时间是：" + new Date().toLocaleString());
		this.gamePlayer.login(user, password);
	}

	// 代练升级
	public void upgrade() {
		this.gamePlayer.upgrade();
		System.out.println("升级时间是：" + new Date().toLocaleString());
	}

}

인쇄:

/*
 * 客户端 对被代理对象不可见
 */
public class GamePlayerProxy3 {

	private IGamePlayer gamePlayer;
	// 通过构造函数传递 被代练(代理)对象
	public GamePlayerProxy3(IGamePlayer gamePlayer) {
		 this.gamePlayer = gamePlayer;
		 System.out.println("我是一名代练,我玩的角色是别人的，可以动态传递进来");
	}
	
	public IGamePlayer getProxy() {
		return (IGamePlayer) Proxy.newProxyInstance(this.getClass().getClassLoader(), 
				new Class[]{IGamePlayer.class}, new MyInvocationHandler());
	}

	private class MyInvocationHandler implements InvocationHandler {
	
		@Override
		public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
			if (method.getName().equals("login")) {
				System.out.println("登录时间是：" + new Date().toLocaleString());
			} if (method.getName().equals("upgrade")) {
				System.out.println("升级时间是：" + new Date().toLocaleString());
			}
			method.invoke(gamePlayer, args);
			return null;
		}
		
	}
}

위 내용은 Java 프록시(Proxy) 모드 구현에 대한 자세한 코드 설명의 상세 내용입니다. 자세한 내용은 PHP 중국어 웹사이트의 기타 관련 기사를 참조하세요!