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Commit 270f6a8

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author
‘mxg133’
committed
2020-8-13
1 parent 98623cb commit 270f6a8
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‎_1DesignPattern/src/_15command/Client.java‎

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package _15command;
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public class Client {
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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//ʹ���������ģʽ�����ͨ��ң�������Ե�ƵIJ���
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//������ƵĶ���(������)
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LightReceiver lightReceiver = new LightReceiver();
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//���������صĿ�������
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LightOnCommand lightOnCommand = new LightOnCommand(lightReceiver);
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LightOffCommand lightOffCommand = new LightOffCommand(lightReceiver);
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//��Ҫһ��ң����
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RemoteController remoteController = new RemoteController();
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//�����ǵ�ң������������, ���� no = 0 �ǵ�ƵĿ��͹صIJ���
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remoteController.setCommand(0, lightOnCommand, lightOffCommand);
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System.out.println("--------���µƵĿ���ť-----------");
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remoteController.onButtonWasPushed(0);
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System.out.println("--------���µƵĹذ�ť-----------");
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remoteController.offButtonWasPushed(0);
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System.out.println("--------���³�����ť-----------");
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remoteController.undoButtonWasPushed();
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System.out.println("=========ʹ��ң�����������ӻ�==========");
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TVReceiver tvReceiver = new TVReceiver();
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TVOffCommand tvOffCommand = new TVOffCommand(tvReceiver);
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TVOnCommand tvOnCommand = new TVOnCommand(tvReceiver);
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//�����ǵ�ң������������, ���� no = 1 �ǵ��ӻ��Ŀ��͹صIJ���
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remoteController.setCommand(1, tvOnCommand, tvOffCommand);
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System.out.println("--------���µ��ӻ��Ŀ���ť-----------");
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remoteController.onButtonWasPushed(1);
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System.out.println("--------���µ��ӻ��Ĺذ�ť-----------");
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remoteController.offButtonWasPushed(1);
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System.out.println("--------���³�����ť-----------");
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remoteController.undoButtonWasPushed();
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}
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}
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‎_1DesignPattern/src/_15command/Command.java‎

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package _15command;
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//��������ӿ�
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public interface Command {
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//ִ�ж���(����)
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public void execute();
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//��������(����)
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public void undo();
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}
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‎_1DesignPattern/src/_15command/LightOffCommand.java‎

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package _15command;
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public class LightOffCommand implements Command {
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// �ۺ�LightReceiver
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LightReceiver light;
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// ������
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public LightOffCommand(LightReceiver light) {
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super();
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this.light = light;
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}
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@Override
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public void execute() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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light.off();
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}
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@Override
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public void undo() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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light.on();
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}
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}
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‎_1DesignPattern/src/_15command/LightOnCommand.java‎

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package _15command;
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public class LightOnCommand implements Command {
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//�ۺ�LightReceiver
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LightReceiver light;
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//������
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public LightOnCommand(LightReceiver light) {
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super();
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this.light = light;
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}
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@Override
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public void execute() {
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// TODO Auto-generated method stub
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//���ý����ߵķ���
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light.on();
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}
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@Override
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public void undo() {
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// TODO Auto-generated method stub
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//���ý����ߵķ���
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light.off();
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}
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}
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‎_1DesignPattern/src/_15command/LightReceiver.java‎

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package _15command;
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public class LightReceiver {
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public void on() {
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System.out.println(" ��ƴ���.. ");
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}
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public void off() {
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System.out.println(" ��ƹر���.. ");
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}
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}
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‎_1DesignPattern/src/_15command/NoCommand.java‎

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package _15command;
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/**
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* û���κ��������ִ��: ���ڳ�ʼ��ÿ����ť, �����ÿ�����ʱ������ʲô������
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* ��ʵ��������һ�����ģʽ, ����ʡ���Կ��ж�
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* @author Administrator
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*
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*/
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public class NoCommand implements Command {
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@Override
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public void execute() {
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// TODO Auto-generated method stub
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}
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@Override
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public void undo() {
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// TODO Auto-generated method stub
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}
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}
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‎_1DesignPattern/src/_15command/RemoteController.java‎

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package _15command;
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public class RemoteController {
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// �� ��ť����������
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Command[] onCommands;
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Command[] offCommands;
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// ִ�г���������
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Command undoCommand;
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// ����������ɶ԰�ť��ʼ��
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public RemoteController() {
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onCommands = new Command[5];
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offCommands = new Command[5];
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for (int i = 0; i < 5; i++) {
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onCommands[i] = new NoCommand();
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offCommands[i] = new NoCommand();
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}
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}
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// �����ǵİ�ť��������Ҫ������
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public void setCommand(int no, Command onCommand, Command offCommand) {
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onCommands[no] = onCommand;
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offCommands[no] = offCommand;
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}
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// ���¿���ť
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public void onButtonWasPushed(int no) { // no 0
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// �ҵ��㰴�µĿ��İ�ť�� �����ö�Ӧ����
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onCommands[no].execute();
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// ��¼��εIJ��������ڳ���
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undoCommand = onCommands[no];
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}
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// ���¿���ť
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public void offButtonWasPushed(int no) { // no 0
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// �ҵ��㰴�µĹصİ�ť�� �����ö�Ӧ����
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offCommands[no].execute();
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// ��¼��εIJ��������ڳ���
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undoCommand = offCommands[no];
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}
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// ���³�����ť
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public void undoButtonWasPushed() {
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undoCommand.undo();
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}
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}
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‎_1DesignPattern/src/_15command/TVOffCommand.java‎

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package _15command;
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public class TVOffCommand implements Command {
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// �ۺ�TVReceiver
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TVReceiver tv;
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// ������
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public TVOffCommand(TVReceiver tv) {
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super();
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this.tv = tv;
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}
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@Override
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public void execute() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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tv.off();
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}
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@Override
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public void undo() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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tv.on();
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}
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}
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‎_1DesignPattern/src/_15command/TVOnCommand.java‎

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package _15command;
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public class TVOnCommand implements Command {
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// �ۺ�TVReceiver
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TVReceiver tv;
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// ������
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public TVOnCommand(TVReceiver tv) {
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super();
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this.tv = tv;
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}
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@Override
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public void execute() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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tv.on();
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}
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@Override
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public void undo() {
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// TODO Auto-generated method stub
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// ���ý����ߵķ���
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tv.off();
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}
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}
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‎_1DesignPattern/src/_15command/TVReceiver.java‎

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package _15command;
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public class TVReceiver {
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public void on() {
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System.out.println(" ���ӻ�����.. ");
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}
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public void off() {
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System.out.println(" ���ӻ��ر���.. ");
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}
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}

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