展开全部

package chen;

import java.awt.*;

import java.awt.event.*;

import java.awt.image.BufferedImage;

import java.util.Vector;

import javax.swing.JFrame;

public class keyTest extends Window implements KeyListener, Runnable {

int width, height;

BufferedImage buf;

Graphics gc;

boolean play = true;

Vector keys = new Vector();

int ok = 0, fail = 0, error = 0, sum = 0;

Font small = new Font("宋体", 0, 30);

Font big = new Font("宋体", 0, 50);

long time = System.currentTimeMillis();

keyTest(Frame f) {

super(f);

Dimension s = getToolkit().getScreenSize();

width = (int) s.getWidth();

height = (int) s.getHeight();

this.setBounds(0, 0, width, height);

this.buf = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

gc = buf.getGraphics();

this.setVisible(true);

this.setAlwaysOnTop(true);

this.buf = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);

gc = buf.getGraphics();

new Thread(this).start();

}

public static void main(String s[]) {

JFrame help = new JFrame("打字练习");

help.setVisible(true);

help.setDefaultCloseOperation(3);

help.addKeyListener(new keyTest(help));

}

public void keyTyped(KeyEvent e) {

}

public synchronized void keyPressed(KeyEvent e) {

if (e.getKeyCode() == 27) {

play = false;

this.dispose();

System.exit(0);

}

char s = e.getKeyChar();

if (s >= 'a' && s <= 'z' |32313133353236313431303231363533e59b9ee7ad9431333262343063| (s >= 'A' && s <= 'Z')) {

String l = "" + s;

for (int i = 0; i < keys.size(); i++) {

if (l.equals(((oneChar) keys.elementAt(i)).s)) {

keys.removeElementAt(i);

ok++;

return;

}

}

error++;

}

}

public void keyReleased(KeyEvent e) {

}

@Override

public void update(Graphics g) {

gc.setColor(Color.BLACK);

gc.fillRect(0, 0, width, height);

gc.setColor(Color.red);

int l = (ok + error) > 0 ? (ok * 100 / (ok + error)) : 100;

gc.setFont(small);

gc.drawString("成功：" + ok + " 错误：" + error + " 失败：" + fail + " 正确率：" + l + "% 时间：" + (System.currentTimeMillis() - time) / 1000, 10, height - 30);

gc.setFont(big);

oneChar o;

for (int i = 0; i < keys.size(); i++) {

o = keys.elementAt(i);

gc.setColor(o.c);

gc.drawString(o.s, o.x, o.y += 6);

if (o.y > height - 10) {

fail++;

keys.removeElementAt(i);

}

}

g.drawImage(buf, 0, 0, null);

}

public void run() {

while (play) {

try {

sum++;

if (sum % 5 == 0) {

newchar();

}

Thread.sleep(80);

repaint();

} catch (InterruptedException ex) {

ex.printStackTrace();

}

}

}

private void newchar() {

keys.add(oneChar.getinstance(width));

}

}

package chen;

import java.awt.Color;

public class oneChar {

static java.util.Random r = new java.util.Random();

public static oneChar getinstance(int maxX) {

oneChar a = new oneChar();

int b = r.nextInt(26);

a.s = "" + (char) (b + (r.nextInt(4) > 1 ? 'a' : 'A'));

a.x = r.nextInt(maxX - 30);

a.c = new Color(r.nextInt(256), r.nextInt(256), r.nextInt(256));

return a;

}

int x, y;

Color c;

String s;

}

参考资料：

如果您的回答是从其他地方引用，请表明出处

本回答被提问者采纳

已赞过

已踩过<

你对这个回答的评价是？

评论

收起