typetrainapplet.java

Applet小游戏 附件是我自己做的一个打字游戏,其中用到了java的多线程, 打开play.html 即可看到游戏画面. 其源代码中的四个applet 参数: <param

package game;

import java.awt.*;
import java.awt.event.*;
import java.applet.*;
import java.util.Random;
import javax.swing.*;

public class TypeTrainApplet extends JApplet {
    private boolean isStandalone = false;
    boolean isClose = false;
    AudioClip hitSound;//惡柧壒澚\u5BF9徾
    ImageIcon startIcon = new ImageIcon(TypeTrainApplet.class.getResource("start.jpg"));
    ImageIcon pauseIcon = new ImageIcon(TypeTrainApplet.class.getResource("pause.jpg"));
    ImageIcon stopIcon = new ImageIcon(TypeTrainApplet.class.getResource("stop.jpg"));

    volatile int totalCount = 0;//totalNumber Counter
    volatile int rightCount = 0;//rightNumber Counter
    volatile int errorCount = 0;//errorNumber Counter
    int stepLen;
    int stepInterval;
    int columNum;
    int createInterval;
    int colWidth;
    volatile char pressKeyChar;
    int statusCode = 0; //\u8BB0\u5F55熰\u620F強\u5904揑忬\u6001丆懘拞1丗\u8FD0峴\u6001丄丆2丗\u6682掆\u6001 0丗掆巭\u6001丅
    private JPanel infoPnl = new JPanel();
    private GridLayout gridLayout1 = new GridLayout();
    private JButton jButton1 = new JButton();
    private JButton jButton2 = new JButton();
    private JLabel totalLbl_1 = new JLabel();
    private JLabel totalLbl_2 = new JLabel();
    private JLabel rightLbl_1 = new JLabel();
    private JLabel errorLbl_2 = new JLabel();
    private JLabel rightLbl_2 = new JLabel();
    private JLabel errorLbl_1 = new JLabel();
    private Canvas canvas = new Canvas();
    //Get a parameter value
    public String getParameter(String key, String def) {
        return isStandalone ? System.getProperty(key, def) :
            (getParameter(key) != null ? getParameter(key) : def);
    }

    //Construct the applet
    public TypeTrainApplet() {
    }
    //Initialize the applet
    public void init() {
        hitSound = getAudioClip( (TypeTrainApplet.class).getResource("click1.wav"));//弶巒壔壒澚\u5BF9徾
        try {
            stepLen = Integer.parseInt(this.getParameter("stepLen", "2"));
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        try {
            stepInterval = Integer.parseInt(this.getParameter("stepInterval", "50"));
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        try {
            columNum = Integer.parseInt(this.getParameter("columNum", "10"));
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        try {
            createInterval = Integer.parseInt(this.getParameter("createInterval", "500"));
        }
        catch(Exception e) {
            e.printStackTrace();
        }
        try {
            jbInit();
        }
        catch(Exception e) {
            e.printStackTrace();
        }
    }
    //Component initialization
    private void jbInit() throws Exception {
        this.setSize(new Dimension(400, 400));
        this.addKeyListener(new java.awt.event.KeyAdapter() {
            public void keyReleased(KeyEvent e) {
                this_keyReleased(e);
            }
        });
        infoPnl.setLayout(new GridLayout(8, 1));
        jButton1.setIcon(startIcon);
        jButton1.setBackground(Color.white);
        jButton1.setToolTipText("Start/Pause");

        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                jButton1_actionPerformed(e);
            }
        });//\u8BBE抲\u5F00巒埪\u94AE揑\u56FE\u6807
        jButton2.setIcon(stopIcon);
        jButton2.setToolTipText("Stop");
        jButton2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(ActionEvent e) {
                jButton2_actionPerformed(e);
            }
        });
        jButton2.setBackground(Color.white);
        jButton2.setEnabled(false);//
       // jButton1.setText("jButton1");
       // jButton2.setText("jButton2");
       // jButton3.setText("jButton3");
        totalLbl_1.setForeground(new Color(131, 72, 105));
        totalLbl_1.setText("鉦澤");
        totalLbl_2.setForeground(new Color(131, 79, 105));
        totalLbl_2.setText("jLabel2");
        rightLbl_1.setForeground(new Color(118, 72, 105));
        rightLbl_1.setText("惓妋澤");
        errorLbl_2.setForeground(new Color(118, 72, 105));
        errorLbl_2.setText("jLabel4");
        rightLbl_2.setForeground(new Color(118, 72, 105));
        rightLbl_2.setText("jLabel5");
        errorLbl_1.setForeground(new Color(118, 72, 105));
        errorLbl_1.setText("幐攕澤");
        canvas.setBackground(new Color(197, 217, 158));
        canvas.setForeground(new Color(112, 85, 217));
        infoPnl.setBackground(new Color(203, 243, 164));
        infoPnl.setBounds(0,0,24,400);
        this.getContentPane().add(infoPnl,  BorderLayout.EAST);
        infoPnl.add(jButton1, null);
        infoPnl.add(jButton2, null);
        infoPnl.add(totalLbl_1, null);
        infoPnl.add(totalLbl_2, null);
        infoPnl.add(rightLbl_1, null);
        infoPnl.add(rightLbl_2, null);
        infoPnl.add(errorLbl_1, null);
        infoPnl.add(errorLbl_2, null);
        this.getContentPane().add(canvas, BorderLayout.CENTER);
    }

    // reDisplay the result
    private void drawResult() {
        totalLbl_2.setText("" + totalCount );
        rightLbl_2.setText("" + rightCount );
        errorLbl_2.setText("" + errorCount );
    }

    // clear counters
    private void resetGame() {
        totalCount = 0;
        rightCount = 0;
        errorCount = 0;
        drawResult();
    }

    //Start the applet
    public void start() {
        isClose = false;
    }
    //Stop the applet
    public void stop() {
        statusCode = 0;//掆巭熰\u620F
        isClose = true;
    }
    //Destroy the applet
    public void destroy() {
    }
    //Get Applet information
    public String getAppletInfo() {
        return "Applet Information";
    }
    //Get parameter info
    public String[][] getParameterInfo() {
        String[][] pinfo =
            {
            {"stepLen", "int", ""},
            {"stepInterval", "int", ""},
            {"columNum", "int", ""},
            {"createInterval", "int", ""},
            };
        return pinfo;
    }

    //static initializer for setting look & feel
    static {
        try {
            //UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            //UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
        }
        catch(Exception e) {
        }
    }

    private class DropCharThread extends Thread {
        char c; //the player iputted char
        int colIndex;
        int x, y;
        private static final int ACTION_DRAW_FONT = 1; //夋帤晞
        private static final int ACTION_CLEAR_FONT = 2; //惔帤晞

        public DropCharThread(char c, int colIndex) {
            this.c = c;
            this.colIndex = colIndex;
            this.x = (colIndex - 1) * colWidth + colWidth / 2;
        }

        public void run() {
            if(isClose) return ;//\u53D1\u73B0鈞岥\u5173\u95ED\u9A6C忋曉夞
            draw(ACTION_DRAW_FONT);
            try {
                while (c != pressKeyChar && y < canvas.getHeight() && statusCode != 0) {
                    synchronized (canvas) {
                        while (statusCode == 2) {
                            canvas.wait();
                        }
                    }
                    draw(ACTION_CLEAR_FONT);
                    y += stepLen;
                    draw(ACTION_DRAW_FONT);
                    Thread.sleep(stepInterval);
                }
            } catch (InterruptedException ex) {
                ex.printStackTrace();
            }

            if(!isClose) {
                pressKeyChar = ' ';
                draw(ACTION_CLEAR_FONT);
                if (statusCode != 0) {//熰\u620F杤桳掆巭
                    totalCount++; //\u7EDF\u8BA1\u603B悢
                    if (y < canvas.getHeight()) {
                        hitSound.play();//\u51FB拞\u65F6攄曻壒澚
                        rightCount++; //\u51FB拞
                    } else {
                        errorCount++; //懪晄拞
                    }
                    drawResult();
                }
            }
        }

        private void draw( int actionType ) {
            synchronized( canvas ) {
                Graphics g = canvas.getGraphics();
                if ( actionType == ACTION_CLEAR_FONT ) {
                    g.setXORMode(canvas.getBackground());
                }
                g.setFont(new Font("Times New Roman", Font.PLAIN, 20));
                g.drawString("" + c, x, y);
            }
        }

    }
    private class GenerateDropThread extends Thread {
        Random random = new Random(); //悘婘悢
        public void run() {
            try {
                while(statusCode!=0){
                    synchronized(canvas){
                        while(statusCode==2){
                            canvas.wait();
                        }
                    }
                    DropCharThread dropCharThread = new DropCharThread(
                         getRandomChar(),random.nextInt(columNum) + 1);

                    dropCharThread.start();
                    Thread.sleep(createInterval);

                }
            } catch (InterruptedException ex) {
                ex.printStackTrace();
            }
        }
        private char getRandomChar() {
            int temp = 65 + random.nextInt(26);
            return (char) temp;
        }



    }

    public void this_keyReleased(KeyEvent e) {
        if (!e.isActionKey()) {
            int iChar;
            iChar = (int)e.getKeyCode();
            if( iChar > 90 ) {
                iChar = iChar - 32;
            }
            pressKeyChar = (char)iChar;
        }

    }

    public void jButton1_actionPerformed(ActionEvent e) {
        if(statusCode == 0) {
            resetGame();
            statusCode = 1;
            colWidth = canvas.getWidth() / columNum ;
            GenerateDropThread gdThread = new GenerateDropThread();
            gdThread.start();//\u4EA7惗婍\u542F\u52A8
            jButton1.setIcon(pauseIcon);//愗\u6362\u4E3A\u6682掆揑\u56FE\u6807
            jButton2.setEnabled(true);//掆巭埪\u94AE寖妶
        } else if (statusCode == 1) { //樃\u8FD0峴-亜\u6682掆
            statusCode = 2;
            jButton1.setIcon(startIcon);
        } else { //樃\u6682掆亅亜\u8FD0峴
            statusCode = 1;
            jButton1.setIcon(pauseIcon);//愗\u6362\u4E3A\u6682掆揑\u56FE\u6807
            synchronized (canvas) {//捠\u8FC7canvas捠抦強桳\u6682掆揑\u7EBF掱\u7EE7\u7EED\u8FD0峴
                canvas.notifyAll();
            }
        }
        this.requestFocus();//Applet愙庴岝\u6807丆埲曋懘愙庴埪\u952E帠審
    }

    void jButton2_actionPerformed(ActionEvent e) {
        statusCode = 0;
        synchronized (canvas) {
            canvas.notifyAll();
        }
        jButton2.setEnabled(false);
        jButton1.setIcon(startIcon);
    }
    public static void main( String[] args){
        TypeTrainApplet tta = new TypeTrainApplet();
        tta.init();
        tta.start();
    }
}