freehand.java~1~

来自「applet java 的编程程序」· JAVA~1~ 代码 · 共 285 行

package freehand;

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

public class Freehand extends JFrame {
  private static String s="abcdefghijklmnopqrstuvwxyz";
  private int get;
  private int lose;
  private boolean b=false;
  private int alltime=40;
  private int time=15;
  private String pd="";//存放键盘输入的字符
  private LinkedList list=new LinkedList();
  private Canvas cc=new Canvas();
  private JPanel jPanel2=new JPanel();
  private Generator generator;
  JLabel jLabel1 = new JLabel();
  GridLayout gridLayout1 = new GridLayout(10,1);
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JLabel jLabel6 = new JLabel();
  JLabel jLabel7 = new JLabel();
  JPanel jPanel1 = new JPanel();
  GridLayout gridLayout2 = new GridLayout(2,1);
  JLabel jLabel8 = new JLabel();
  JPanel jPanel3 = new JPanel();
  JLabel jLabel9 = new JLabel();
  GridLayout gridLayout3 = new GridLayout(2,1);
  JPanel jPanel4 = new JPanel();
  GridLayout gridLayout4 = new GridLayout(2,1);
  JLabel jLabel10 = new JLabel();

  public Freehand() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  void jbInit() throws Exception {
    this.getContentPane().setLayout(new BorderLayout());
    cc.setBackground(Color.yellow);
    jPanel2.setBackground(Color.orange);
    jPanel2.setLayout(gridLayout1);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 20));
    jLabel1.setPreferredSize(new Dimension(100, 29));
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel2.setMaximumSize(new Dimension(0, 0));
    jLabel2.setRequestFocusEnabled(true);
    jLabel2.setToolTipText("");
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setHorizontalTextPosition(SwingConstants.CENTER);
    jLabel2.setText("按F2开始练习");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel3.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel3.setText("按F3暂停或继续");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 20));
    jLabel4.setMaximumSize(new Dimension(39, 18));
    jLabel4.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel4.setText("   成    绩   ");
    jLabel5.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel5.setText(" 字符总数:");
    jLabel6.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel6.setHorizontalAlignment(SwingConstants.LEADING);
    jLabel6.setText(" 正确数：");
    jLabel7.setFont(new java.awt.Font("Dialog", 0, 12));
    jLabel7.setText(" 丢失数： ");
    jPanel1.setLayout(gridLayout2);
    jLabel8.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel8.setText("");
    jLabel9.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel9.setText("");
    jPanel3.setLayout(gridLayout3);
    jPanel4.setLayout(gridLayout4);
    jLabel10.setHorizontalAlignment(SwingConstants.CENTER);
    jPanel3.setBackground(Color.orange);
    jPanel1.setBackground(Color.orange);
    jPanel4.setBackground(Color.orange);
    jPanel2.add(jLabel1, null);
    jPanel2.add(jLabel2, null);
    jPanel2.add(jLabel3, null);
    jPanel2.add(jLabel4, null);
    jPanel2.add(jPanel1, null);
    jPanel1.add(jLabel5, null);
    jPanel1.add(jLabel8, null);
    jPanel2.add(jPanel3, null);
    jPanel3.add(jLabel6, null);
    jPanel3.add(jLabel9, null);
    jPanel2.add(jPanel4, null);
    jPanel4.add(jLabel7, null);
    jPanel4.add(jLabel10, null);
    this.setResizable(false);
    this.setTitle("Game");
    this.setSize(640,480);
    this.getContentPane().add(cc,  BorderLayout.CENTER);
    this.getContentPane().add(jPanel2, BorderLayout.EAST);
    this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    this.addKeyListener(new MyKeyListener());
    this.setVisible(true);
    myPaint();
  }
  public void myPaint() {
    Graphics g;
    g=cc.getGraphics();
    g.setColor(Color.blue);
    g.drawRect(10,10,510,430);
    g.dispose();
  }
  public void go() {
    get=0;
    lose=0;
    jLabel8.setText(String.valueOf(get+lose));
    jLabel9.setText(String.valueOf(get));
    jLabel10.setText(String.valueOf(lose));
    generator=new Generator();
    generator.start();
  }
  //显示成绩
  private synchronized void result() {
    jLabel8.setText(String.valueOf(get+lose));
    jLabel9.setText(String.valueOf(get));
    jLabel10.setText(String.valueOf(lose));
  }

  public static void main(String[] args) {
    new Freehand();
  }

  class MyKeyListener extends KeyAdapter implements KeyListener {
    public synchronized void keyPressed(KeyEvent ke) {
      if(ke.getKeyCode()==KeyEvent.VK_F2) {
        if(list.isEmpty()) go();
        return;
      }

      if(ke.getKeyCode()==KeyEvent.VK_F3) {
        if(list.isEmpty()) return;
        Graphics g=cc.getGraphics();
        g.setXORMode(cc.getBackground());
        g.setFont(new Font("Times New Roman",Font.PLAIN,50));
        g.drawString("PAUSE",200,200);
        g.dispose();
        if(b) {
          generator.setNotify();
          for(int i=0;i<list.size();i++) {
            ((MyThread)list.get(i)).setNotify();
          }
          b=false;
        }else {
          generator.setWait();
          for(int i=0;i<list.size();i++) {
            ((MyThread)list.get(i)).setWait();
          }
          b=true;
        }
        return;
      }

      pd=String.valueOf(ke.getKeyChar());
      for(int i=0;i<list.size();i++) {
        if(((MyThread)list.get(i)).compare()) {
          get++;
          return;
        }
      }
    }
  }
  //MyThread线程的生成器
  class Generator extends Thread {
    private Random r=new Random();
    private boolean wait=false;
    public void setWait() {
      wait=true;
    }
    public synchronized void setNotify() {
      wait=false;
      try {
      this.notify();
      }catch(Exception e){}
    }
    public synchronized void run() {
      int temp=0,i=0;
      while(i<(alltime*1000/(time*30))) {
        temp=r.nextInt(s.length());
        MyThread t=new MyThread(cc,s.substring(temp,temp+1),(r.nextInt(49)+1)*10,20);
        list.add(t);
        t.start();
        try {
          Thread.sleep(30*time);
        }catch(Exception e){}
        i++;
        if(wait) {
          try {
            this.wait();
          }catch(Exception e){}
        }
      }
    }
  }
  //每个下落字母的线程
  class MyThread extends Thread {
    private int x=0;
    private int y=0;
    private String s;
    private Canvas c;
    private boolean bool=false;
    private boolean wait=false;
    public MyThread(Canvas c,String s,int x,int y) {
      this.c=c;
      this.x=x;
      this.y=y;
      this.s=s;
    }

    private void draw() {
      Graphics g=c.getGraphics();
      g.setFont(new Font("Times New Roman",Font.PLAIN,20));
      g.setColor(Color.red);
      g.setXORMode(c.getBackground());
      g.drawString(s,x,y);
      g.dispose();
    }

    private void move() {
      Graphics g=c.getGraphics();
      g.setFont(new Font("Times New Roman",Font.PLAIN,20));
      g.setColor(Color.red);
      g.setXORMode(c.getBackground());
      g.drawString(s,x,y);
      y++;
      g.drawString(s,x,y);
      g.dispose();
    }

    public boolean compare() {
      if(pd.equals(s)==true) {
        bool=true;
        pd="";
        return true;
      }
      return false;
    }

    public void setWait() {
      wait=true;
    }

    public synchronized void setNotify() {
      wait=false;
      try {
        this.notify();
      }catch(Exception e){}
    }

    public synchronized void run() {
      draw();
      while(y<440&&bool!=true) {
        move();
        try {
          this.sleep(time);
        }catch(Exception e){}
        if(wait) {
          try {
            this.wait();
          }catch(Exception e) {}
        }
      }
      draw();
      list.remove(this);
      if(y>=440) {
        lose++;
      }
      result();
    }
  }
}