面向对象程序设计——JAVA课程设计.doc

面向对象课程设计题 目 汉诺塔游戏程序功能实现 学 院 商学院 专 业 信息管理与信息系统 班 级 学 号 学生姓名 洪婷 指导教师 李永刚 编写日期 2011年12月8日 目 录一、 需求分析31.1 界面及布局设计31.2 A、B、C 座的实现方法31.3 圆盘的实现方法41.4 记录时间方法4二、 系统运行环境5三、 功能需求描述5四、 总体设计64.1 总体功能图64.2 总体流程图7五、 主要功能设计流程85.1 A、B、C 座实现流程图85.2 圆盘画法流程图95.3 保存流程图95.4 时间流程图10六、 程序模块设计106.1 间接关系图106.2 运行效果图116.3 程序代码设计13七、 总结36一、 需求分析1.1 界面及布局设计系统的整体布局为：BorderLayout布局, 采用了菜单、按钮、面板等组件，菜单主要包括选择级别,盘子个数,选择颜色,设置大小，按钮的功能包括重新开始，自动演示，播放，循环，停止，保存，演示，暂停，继续，关闭。1.2 A、B、C 座的实现方法Tower类是javax.swing包中JPanel容器的一个子类，创建的对象tower是HannoiWindow窗口的成员之一，被添加到HannoiWindow窗口的中心位置。标明Tower类的主要成员变量和方法以及和HannoiWindow类之间组合关系的UML图如图1-1所示。图1-1 Tower类的UML图成员变量(1)amountOfDisc是int型数据。用来确定tower对象中盘子的数目。(2)disc是Disc型数组， Disc数组的每个单元中存放一个Disc对象，依次表明tower对象中有怎样多的盘子。(3)towerName是char型数组，长度为3，即A、B、C。(4)maxDiscWidth和minDiscWidth的值分别用来确定最大盘子的宽度和最小盘子的宽度，discHeight的值确定每个盘子的高度。(5)pointA、pointB和pointC都是TowerPoint型数组，三个数组的长度与盘子数目相同，分别用来表示Hannoi塔中三个座上的塔点。A座、B座和C座上的三个塔点分别由pointA、pointB和pointC中的单元来确定。每个座上的三个塔点都是从座顶依次对应数组的相应单元中的TowerPoint对象。(6)handleMouse是HandleMouse类创建的鼠标事件监视器，用来监视disc数组的Disc对象上触发的鼠标事件。(7)autoMoveDisc是AutoMoveDisc创建的对话框。通过该对话框可以实现程序自动移动盘子。1.3 圆盘的实现方法Disc类是javax.swing包中Jbutton类的子类，所创建的对象称作Hannoi塔中的“盘子”。标明Disc类的主要成员变量、方法以及和Tower类之间组合关系的UML如图1-3所示。 图1-2 Disc 类的UML图1、成员变量(1) number的值确定所创建的“盘子”上的数字号码。 (2)point是TowerPoint对象，表明自己所在的塔点。1.4 记录时间方法Timer类，该类在javax.swing包中。当某些操作需要周期性地执行，就可以使用计时器。可以使用Timer类的构造方法：Timer(int a,Object b)创建一个计时器，其中的参数a的单位是毫秒，确定计时器每隔a毫秒“震铃”一次，参数b是计时器的监视器。计时器发生的震铃事件是ActionEvent类型事件。计时器创建后，使用Timer类的方法start()启动计时器，即启动线程。使用Timer类的方法stop()停止计时器，即挂起线程。使用restart()重新启动计时器，即恢复线程。本程序中，单击“显示当前时间”按钮启动计时器，并将时间显示在文本框中；单击“暂停当前时间”按钮计时器暂时停止计时；单击“重新显示当前时间”按钮重新启动计时器。二、 系统运行环境硬件要求能运行Windows 9.X操作系统的微机系统。JAVA程序设计语言及相应的集成开发环境，J2SDK和ECLIPSE开发工具。三、 功能需求描述（1） 设计Hannoi塔中有三个座，名字分别是A、B和C。初始状态是A座上有3个大小不等的盘子，这些盘子从座底到座顶按着大小顺序依次摆放在A座上。用户可以用鼠标选中盘子，然后通过拖动鼠标来移动该盘子、释放鼠标来放置该盘子；（2）程序要求用户在移动盘子过程中，不允许把大盘放置在小盘的上面，用户最终要完成的是把A座上的全部盘子移动到B座或C座上；（3）用户可以通过Hannoi塔界面提供的菜单来选择初级、中级、高级和自定义四个级别。初级级别A座上有3个大小不等盘子、中级级别A座上有4个大小不等盘子、高级级别A座上有5个大小不等盘子、自定义级别A座用户可以任意输入盘子数目；（4）用户可以通过单击Hannoi塔界面上提供的按钮，让程序自动完成把A座上的盘子全部移动到C座上；（5）用户在移动盘子的过程中，可以随时单击Hannoi塔界面上提供的按钮，重新开始当前的级别；（6）有计时功能，即显示用户完成移动盘子所花费的时间；（7）用户可以设置最大和最小盘子的大小；（8）用户可以选择播放和暂停背景音乐；（9）用户可以设置盘子的颜色以及背景的颜色；（10）用户可以将自动移动盘子的文本信息保存到文件。四、 总体设计4.1 总体功能图图1-3 总体功能图4.2 总体流程图图1-4 总体流程图五、 主要功能设计流程5.1 A、B、C 座实现流程图图1-5 A、B、C座实现流程图5.2 圆盘画法流程图图1-6 圆盘画法流程图5.3 保存流程图图1-7 文件保存流程图5.4 时间流程图图1-8 记录时间流程图六、 程序模块设计6.1 间接关系图图1-9 类之间的组合关系图6.2 运行效果图图1-10 运行主界面效果图图1-11 自动演示效果图图1-12设置盘子颜色效果图图1-13 设置盘子大小效果图6.3 程序代码设计HannoiWindow类实现import javax.swing.*;import java.awt.*;import java.awt.event.*;import java.util.*;import java.io.*;import .*;import java.applet.*;public class HannoiWindow extends JFrame implements ActionListener Tower tower = null;int amountOfDisc = 3;char towerName = A, B, C ;JMenuBar bar;JMenu menuGrade;boolean tag = true;int t = 0;/ 用在计时中的变量javax.swing.Timer secondTime;File file = new File(91.mid);URL url;AudioClip clip;JMenu menusetDisc;/ 加入代码JMenuItem setDiscAcount, setDiscWidth, setDiscColor;JMenu menumusic;JLabel timetext;JMenuItem oneGradeItem, twoGradeItem, threeGradeItem, musicstart,musicstop;JButton renew = null;JButton autoButton = null;JPanel center = new JPanel();HannoiWindow() t = 0;/ 用在计时中tower = new Tower(towerName);tower.setAmountOfDisc(amountOfDisc);tower.setMaxDiscWidth(120);tower.setMinDiscWidth(50);tower.setDiscHeight(16);tower.putDiscOnTower();add(tower, BorderLayout.CENTER);bar = new JMenuBar();menuGrade = new JMenu(选择级别);oneGradeItem = new JMenuItem(初级);twoGradeItem = new JMenuItem(中级);threeGradeItem = new JMenuItem(高级);menuGrade.add(oneGradeItem);menuGrade.add(twoGradeItem);menuGrade.add(threeGradeItem);bar.add(menuGrade);menusetDisc = new JMenu(设置盘子);/ 加入代码menumusic = new JMenu(设置背景音乐);setDiscColor = new JMenuItem(设置盘子颜色);setDiscWidth = new JMenuItem(设置盘子大小);setDiscAcount = new JMenuItem(设置盘子数目);musicstart = new JMenuItem(背景音乐开启);musicstop = new JMenuItem(背景音乐关闭);menusetDisc.add(setDiscColor);menusetDisc.add(setDiscAcount);menusetDisc.add(setDiscWidth);menumusic.add(musicstart);menumusic.add(musicstop);bar.add(menusetDisc);bar.add(menumusic);secondTime = new javax.swing.Timer(1000, this);secondTime.start();timetext = new JLabel();try url = file.toURL();clip = Applet.newAudioClip(url); catch (Exception ex) clip.play();tag = true;setJMenuBar(bar);setDiscColor.addActionListener(this);/ 加入下3行代码setDiscWidth.addActionListener(this);setDiscAcount.addActionListener(this);musicstart.addActionListener(this);musicstop.addActionListener(this);oneGradeItem.addActionListener(this);twoGradeItem.addActionListener(this);threeGradeItem.addActionListener(this);renew = new JButton(重新开始);renew.addActionListener(this);autoButton = new JButton(自动演示);autoButton.addActionListener(this);JPanel north = new JPanel();JPanel south = new JPanel();/ /south.add(timetext);north.add(renew);north.add(autoButton);String mess = 将全部盘子从 + towerName0 + 座搬运到 + towerName1 + 座或+ towerName2 + 座;JLabel hintMess = new JLabel(mess, JLabel.CENTER);north.add(hintMess);add(north, BorderLayout.NORTH);add(south, BorderLayout.SOUTH);setResizable(false);setVisible(true);setBounds(60, 60, 460, 410);validate();setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);public void actionPerformed(ActionEvent e) if (e.getSource() = oneGradeItem) amountOfDisc = 3;tower.setAmountOfDisc(amountOfDisc);tower.putDiscOnTower();t = 0; else if (e.getSource() = twoGradeItem) amountOfDisc = 4;tower.setAmountOfDisc(amountOfDisc);tower.putDiscOnTower();t = 0; else if (e.getSource() = threeGradeItem) amountOfDisc = 5;tower.setAmountOfDisc(amountOfDisc);tower.putDiscOnTower();t = 0; else if (e.getSource() = renew) tower.setAmountOfDisc(amountOfDisc);tower.putDiscOnTower();t = 0; else if (e.getSource() = autoButton) tower.setAmountOfDisc(amountOfDisc);tower.putDiscOnTower();int x = this.getBounds().x + this.getBounds().width;int y = this.getBounds().y;tower.getAutoMoveDisc().setLocation(x, y);tower.getAutoMoveDisc().setSize(280, this.getBounds().height);tower.getAutoMoveDisc().setVisible(true); else if (e.getSource() = setDiscColor)/ 添加以下代码SetDiscColorDlg colorDlg = new SetDiscColorDlg(this, tower); else if (e.getSource() = setDiscWidth) SetDiscWidthDlg widthDlg = new SetDiscWidthDlg(this, tower);t = 0; else if (e.getSource() = setDiscAcount) SetDiscAcountDlg acountDlg = new SetDiscAcountDlg(this, tower);amountOfDisc = tower.amountOfDisc;t = 0; else if (e.getSource() = secondTime)/ 计时处理int hour, minute, second, a;String mytimer, strsec, strmin, strhour;t = t % (60 * 60 * 24);second = t % 60;a = t / 60;minute = a % 60;hour = a / 60;if (second = 9) strsec = 0 + String.valueOf(second); else strsec = String.valueOf(second);if (minute = 9) strmin = 0 + String.valueOf(minute); else strmin = String.valueOf(minute);if (hour = 9) strhour = 0 + String.valueOf(hour); else strhour = String.valueOf(hour);mytimer = strhour + : + strmin + : + strsec;timetext.setText(计时: + mytimer);t = t + 1;else if (e.getSource() = musicstart) if (tag = false) try url = file.toURL();clip = Applet.newAudioClip(url); catch (Exception ex) clip.play();tag = true;else if (e.getSource() = musicstop) if (tag = true) clip.stop();tag = false;validate();public static void main(String args) new HannoiWindow();Tower类实现import javax.swing.*;import java.awt.*;public class Tower extends JPanel int amountOfDisc = 3;Color color = Color.cyan;Disc disc;int maxDiscWidth, minDiscWidth, discHeight;char towerName;TowerPoint pointA, pointB, pointC;HandleMouse handleMouse;AutoMoveDisc autoMoveDisc;Tower(char towerName) handleMouse = new HandleMouse(this);this.towerName = towerName;setLayout(null);setBackground(new Color(200, 226, 226);public void setAmountOfDisc(int number) if (number = 1)amountOfDisc = 1;elseamountOfDisc = number;public void setMaxDiscWidth(int m) maxDiscWidth = m;public void setMinDiscWidth(int m) minDiscWidth = m;public void setDiscHeight(int h) discHeight = h;public AutoMoveDisc getAutoMoveDisc() return autoMoveDisc;public void putDiscOnTower() removeDisk();int n = (maxDiscWidth - minDiscWidth) / amountOfDisc;disc = new DiscamountOfDisc;for (int i = 0; i disc.length; i+) disci = new Disc(color);disci.setNumber(i);int diskwidth = minDiscWidth + i * n;disci.setSize(diskwidth, discHeight);disci.addMouseListener(handleMouse);disci.addMouseMotionListener(handleMouse);pointA = new TowerPointamountOfDisc;pointB = new TowerPointamountOfDisc;pointC = new TowerPointamountOfDisc;int vertialDistance = discHeight;for (int i = 0; i pointA.length; i+) pointAi = new TowerPoint(maxDiscWidth, 100 + vertialDistance);vertialDistance = vertialDistance + discHeight;vertialDistance = discHeight;for (int i = 0; i pointB.length; i+) pointBi = new TowerPoint(2 * maxDiscWidth, 100 + vertialDistance);vertialDistance = vertialDistance + discHeight;vertialDistance = discHeight;for (int i = 0; i pointC.length; i+) pointCi = new TowerPoint(3 * maxDiscWidth, 100 + vertialDistance);vertialDistance = vertialDistance + discHeight;for (int i = 0; i pointA.length; i+) pointAi.putDisc(disci, this);handleMouse.setPointA(pointA);handleMouse.setPointB(pointB);handleMouse.setPointC(pointC);autoMoveDisc = new AutoMoveDisc(this);autoMoveDisc.setTowerName(towerName);autoMoveDisc.setAmountOfDisc(amountOfDisc);autoMoveDisc.setPointA(pointA);autoMoveDisc.setPointB(pointB);autoMoveDisc.setPointC(pointC);validate();repaint();public void removeDisk() if (pointA != null) for (int i = 0; i pointA.length; i+) pointAi.removeDisc(pointAi.getDiscOnPoint(), this);pointBi.removeDisc(pointBi.getDiscOnPoint(), this);pointCi.removeDisc(pointCi.getDiscOnPoint(), this);public void paintComponent(Graphics g) super.paintComponent(g);int x1, y1, x2, y2;x1 = pointA0.getX();y1 = pointA0.getY() - discHeight / 2;x2 = pointAamountOfDisc - 1.getX();y2 = pointAamountOfDisc - 1.getY() + discHeight / 2;g.drawLine(x1, y1, x2, y2);x1 = pointB0.getX();y1 = pointB0.getY() - discHeight / 2;x2 = pointBamountOfDisc - 1.getX();y2 = pointBamountOfDisc - 1.getY() + discHeight / 2;g.drawLine(x1, y1, x2, y2);x1 = pointC0.getX();y1 = pointC0.getY() - discHeight / 2;x2 = pointCamountOfDisc - 1.getX();y2 = pointCamountOfDisc - 1.getY() + discHeight / 2;g.drawLine(x1, y1, x2, y2);g.setColor(Color.blue);x1 = pointAamountOfDisc - 1.getX() - maxDiscWidth / 2;y1 = pointAamountOfDisc - 1.getY() + discHeight / 2;x2 = pointCamountOfDisc - 1.getX() + maxDiscWidth / 2;y2 = pointCamountOfDisc - 1.getY() + discHeight / 2;int length = x2 - x1, height = 6;g.fillRect(x1, y1, length, height);int size = 5;for (int i = 0; i pointA.length; i+) g.fillOval(pointAi.getX() - size / 2,pointAi.getY() - size / 2, size, size);g.fillOval(pointBi.getX() - size / 2,pointBi.getY() - size / 2, size, size);g.fillOval(pointCi.getX() - size / 2,pointCi.getY() - size / 2, size, size);g.drawString(towerName0 + 座, pointAamountOfDisc - 1.getX(),pointAamountOfDisc - 1.getY() + 50);g.drawString(towerName1 + 座, pointBamountOfDisc - 1.getX(),pointBamountOfDisc - 1.getY() + 50);g.drawString(towerName2 + 座, pointCamountOfDisc - 1.getX(),pointCamountOfDisc - 1.getY() + 50);TowerPoint类实现import java.awt.*;public class TowerPoint int x, y;boolean haveDisc;Disc disc = null;public TowerPoint(int x, int y) this.x = x;this.y = y;public boolean isHaveDisc() return haveDisc;public void setHaveDisc(boolean boo) haveDisc = boo;public int getX() return x;public int getY() return y;public boolean equals(TowerPoint p) if (p.getX() = this.getX() & p.getY() = this.getY()return true;elsereturn false;public void putDisc(Component com, Container con) disc = (Disc) com;con.setLayout(null);con.add(disc);int w = disc.getBounds().width;int h = disc.getBounds().height;disc.setBounds(x - w / 2, y - h / 2, w, h);haveDisc = true;disc.setPoint(this);con.validate();public Disc getDiscOnPoint() return disc;public void removeDisc(Component com, Container con) if (com != null)con.remove(com);con.validate();AutoMoveDisc类实现import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.io.*;public class AutoMoveDisc extends JDialog implements ActionListenerint amountOfDisc=3; TowerPoint pointA,pointB,pointC; char towerName; Container con; StringBuffer moveStep; JTextArea showStep; JButton bStart,bStop,bContinue,bClose,bSave; Timer time; FileDialog saveDlg; int i=0,number=0; AutoMoveDisc(Container con) setModal(true); setTitle(自动演示搬盘子过程); this.con=con; moveStep=new StringBuffer(); time=new Timer(1000,this); time.setInitialDelay(10); showStep=new JTextArea(10,12); bStart=new JButton(演示); bStop=new JButton(暂停); bContinue=new JButton(继续); bClose=new JButton(关闭); bSave=new JButton(保存); bStart.addActionListener(this); bStop.addActionListener(this); bContinue.addActionListener(this); bClose.addActionListener(this); bSave.addActionListener(this); JPanel south=new JPanel(); south.setLayout(new FlowLayout(); south.add(bStart); south.add(bStop); south.add(bContinue); south.add(bSave); south.add(bClose); saveDlg=new FileDialog(this,保存到文件,FileDialog.SAVE); saveDlg.setVisible(false); saveDlg.addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) saveDlg.setVisible(false); ); add(new JScrollPane(showStep),BorderLayout.CENTER); add(south,BorderLayout.SOUTH); setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); towerName=new char3; addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent e) time.stop(); setVisible(false); ); public void setPointA(TowerPoint pointA) this.pointA=pointA; public void setPointB(TowerPoint pointB) this.pointB=pointB; public void setPointC(TowerPoint pointC) this.pointC=pointC; public void setTowerName(char name) if(name0=name1|name0=name2|name1=name2) towerName0=A; towerName1=B; towerName2=C; else towerName=name; public void setAmountOfDisc(int n) amountOfDisc=n; public void actionPerf