实验4 外观模式

《实验4 外观模式》由会员分享，可在线阅读，更多相关《实验4 外观模式（5页珍藏版）》请在装配图网上搜索。

1、实验报告课稈：设计模式实验学期：2015-2016学年 第2学期任课教师：专业： 软件外包 学号： 姓名：成绩：实验4外观模式1题目：使用外观模式实现教室设备的控制器，包括上课和下课两个按钮，设备包括电脑、幕 布、投影仪、话筒、黑板灯。2模式设计的UML类图:ClassroonnFa cbcJqUse-rFace1Computer computerScreen screenProjector projectorMicro phon 巳 microphone Blackb-oardLight b-lack.ho日ciLight 5iarClass()endClassi)C&rriputerPro

2、jectorMicrophcne呗）onQoffQScreen downQBlackboard Liqht oriO3程序源代码:(1)电脑控制的类Computer.java:public class Computer String description;public Computer(String description this.description = description;public String on()return this.description + 已打开;public String off()return this.description + 已关闭;(2)幕布控制的

3、类Screen.java：public class Screen String description;public Screen(String description) this.description = description;public String down()return this.description + 正在打开; public String up()return this.description + 正在关闭; (3 )投影仪控制的类Projector.java：public class Projector String description;public Projec

4、tor(String description) this.description = description;public String on()return this.description + 已打开;public String off()return this.description + 已关闭;(4)话筒控制的类 Microphone.java：public class Microphone String description;public Microphone(String description) this.description = description;public Str

5、ing on()return this.description + 已打开;public String off()return this.description + 已关闭;(5)黑板灯控制的类 BlackboardLight.java：public class BlackboardLight String description;public BlackboardLight(String description) this.description = description;public String on()return this.description + 已打开;public Stri

6、ng off()return this.description + 已关闭;(6)教室设备外观类 ClassroomFacade.java：public class ClassroomFacade Computer computer;Screen screen;Projector projector;Microphone microphone;BlackboardLight blackboardLight;public ClassroomFacade(Computer computer,Screen screen,Projector projector,Microphone microphon

7、e,BlackboardLight blackboardLight) puter = computer;this.screen = screen;this.projector = projector;this.microphone = microphone; this.blackboardLight = blackboardLight;public String starClass()String str = new String5;str0 = computer.on();str1 = screen.down();str2 = projector.on();str3 = microphone

8、.on();str4 = blackboardLight.on();return str;public String endClass() String str = new String5; str0 = computer.off(); str1 = screen.up(); str2 = projector.off(); str3 = microphone.off(); str4 = blackboardLight.off(); return str;（7）实现用户界面的主类UserFace.java：（由于代码过长，只列出重要部分）import java.awt.*;import java

9、.awt.event.*;import javax.swing.*;public class UserFace extends JFrame private JButton StarButton; private JButton EndButton;private JButton ExitButton;private JLabel jLabel1;private JLabel jLabel2;private JLabel jLabel3;private JLabel jLabel4;private JLabel jLabel5;private JPanel jPanel1;private JP

10、anel jPanel2;private JTextField jTextField1;private JTextField jTextField2;private JTextField jTextField3;private JTextField jTextField4;private JTextField jTextField5;private ClassroomFacade classroomFacade;private Computer computer;private Screen screen;private Projector projector;private Micropho

11、ne microphone;private BlackboardLight blackboardLight;public UserFace() super(XXXXXXXXX);setDefaultCloseOperation(WindowConstant EXIT_ON_CLOSE ); jPanel1 = new JPanel();StarButton = new JButton(” 上课)； EndButton = new JButton(下课)； ExitButton = new JButton(退出)；jPanel2 = new JPanel(); jLabell = new JLa

12、bel(电脑：)；jTextField1 = jLabel2 = newnew JTextField(); JLabel(幕布：)；jTextField2 = new JTextField(); jLabel3 = new JLabel(投影仪：)；jTextField3 = new JTextField(); jLabel4 = new JLabel(话筒：)；jTextField4 = new JTextField(); jLabel5 = new JLabel(黑板灯：)；jTextField5 = new JTextField();computer = new Computer(教室电

13、脑)； screen = new Screen(教室幕布)； projector = new Projector(教室投影仪)； microphone = new Microphone(教室话筒)； blackboardLight = new BlackboardLight(教室黑板灯)；StarButton.addActionListener(new ActionListener() public void actionPerformed(ActionEvent evt) String str = new String5;classroomFacade = new ClassroomFaca

14、de (computer,screen,projector,microphone,blackboardLight); str classroomFacade.starClass(); jTextField1.setText(str0); jTextField2.setText(str1); jTextField3.setText(str2); jTextField4.setText(str3); jTextField5.setText(str4););EndButton.addActionListener(new ActionListener() public void actionPerfo

15、rmed(ActionEvent evt) String str = new String5;classroomFacade = new ClassroomFacade(computer,screen,projector,microphone,blackboardLight); str classroomFacade.endClass();jTextField1.setText(str0);jTextField2.setText(str1);jTextField3.setText(str2);jTextField4.setText(str3);jTextField5.setText(str4)

16、; );ExitButton.addActionListener(new ActionListener() public void actionPerformed(ActionEvent evt) Systexit(0););jPanel1.setBorder(BorderFactory.createTitledBorder(按钮)； jPanel2.setBorder(BorderFactory.createTitledBorder(信息)； setLocationRelativeT this);pack();public static void main(String args) java.awt.EventQueueinvokeLater (new Runnable() public void run() new UserFace().setVisible(true););4实验结果截图：上谍下遷遍岀上课下遷遍岀信息信息錦肺；載室弟冇止在矢闭投需仪：埶室投尉仪已打开话間：埶室话筒已杆幵话懂：執室话筒已关闭奧梅文T；埶室黒梅灯己打开