自己写的一个小游戏

package CANVAS3;import java.util.Random;import javax.microedition.lcdui.Canvas;import javax.microedition.lcdui.Command;import javax.microedition.lcdui.CommandListener;import javax.microedition.lcdui.Display;import javax.microedition.lcdui.Displayable;import javax.microedition.lcdui.Font;import javax.microedition.lcdui.Graphics;import javax.microedition.lcdui.Ticker;import javax.microedition.midlet.MIDlet;import javax.microedition.midlet.MIDletStateChangeException;/** * 生一0~9之的色的，字相匹配，按扣2分，超按1分 * 初始5分 * @author Jakey * */public class Midlet2 extends MIDlet {class GuessGame extends Canvas implements Runnable, CommandListener {private String num = "-1";// 生的String action = "";private int x = 0;private int y = 0;private int dots = 5;// 初始分private Thread th;private boolean RUN = true;private Random r = new Random();private Command cmdReStart = new Command("重新始", Command.SCREEN, 1);public GuessGame() {th = new Thread(this);th.start();}public void commandAction(Command c, Displayable d) {if (c == cmdReStart) {RUN = true;num = "-1";dots = 5;action = "";this.removeCommand(cmdReStart);th = new Thread(this);th.start();}}public void paint(Graphics g) {this.setTitle("前分："+(dots <= 0?0:dots));g.setColor(255, 255, 255);g.fillRect(0, 0, this.getWidth(), this.getHeight());Font f = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_BOLD,Font.SIZE_LARGE);g.setFont(f);g.setColor(r.nextInt(256), r.nextInt(256), r.nextInt(256));x = r.nextInt(this.getWidth());y = r.nextInt(this.getHeight());g.drawString(num.equals("-1") ? "" : num, x, y, Graphics.TOP| Graphics.LEFT);if (dots <= 0) {//重新初始化g.setColor(255, 255, 255);g.fillRect(0, 0, this.getWidth(), this.getHeight());g.setColor(255, 0, 0);g.drawString("您了", this.getWidth() / 2, this.getHeight() / 2,Graphics.TOP | Graphics.HCENTER);RUN = false;th = null;this.addCommand(cmdReStart);this.setCommandListener(this);}}public void keyPressed(int keyCode) {if (dots > 0) {action = this.getKeyName(keyCode);if (num.equals(action)) {dots += 1;} else {dots -= 2;}}}public void run() {while (RUN) {num = String.valueOf(r.nextInt(10));repaint();try {Thread.currentThread().sleep(1000);} catch (Exception e) {}if (action.equals("")) {// 控制如果超扣一分dots--;}}}}private Display dis;private GuessGame gg = new GuessGame();protected void startApp() throws MIDletStateChangeException {dis = Display.getDisplay(this);dis.setCurrent(gg);}protected void destroyApp(boolean arg0) throws MIDletStateChangeException {// TODO Auto-generated method stub}protected void pauseApp() {// TODO Auto-generated method stub}}

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