java简单实现一个小型的打字测试软件

这次的实验室要做一个用java实现一个打字测试软件，由于java还没有熟练，大多数监听的话只用到了actionlistener控件，而没有用到keylistener来实现对键盘的监听，所以一开始没什么头绪，后来翻了翻网上关于keylistener的实现和用法，于是恍然大悟，很快的实现了这个小小的应用。算是一次比较印象深刻的经历吧，写和调试足足用了三个多小时，累的我不行不行的了。

附上代码：

package test12;

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class typeWriting extends JFrame implements ActionListener,KeyListener{
JPanel p1=new JPanel();
JPanel p2=new JPanel(new FlowLayout());
JPanel p3=new JPanel();
JTextArea textField1=new JTextArea(4,2);
JTextArea textField2=new JTextArea();
float right=0;
JLabel showmessageJLabel=new JLabel("当前正确率:100%");
JLabel l1=new JLabel();
JLabel l2=new JLabel("难度:");
JTextField l3=new JTextField(5);
Font font=new Font("楷体", 1, 48);
Font font1=new Font("黑体",0,14);
JButton b1=new JButton();
JButton b2=new JButton();
int count=0;
int i=0,len1=0;
double r=0;
char []y;

public typeWriting () {
super("打字练习软件");
setSize(500,400);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new BorderLayout());
l1.setFont(font);
l1.setText("打字练习软件");;
p1.setLayout(new GridLayout(3,1));
textField1.setEditable(false);
textField2.addKeyListener(this);
textField1.setFont(font1);
textField2.setFont(font1);
textField1.setLineWrap(true);
textField2.setLineWrap(true);
textField1.setWrapStyleWord(true);
textField2.setWrapStyleWord(true);

p1.add(textField1);
p1.add(showmessageJLabel);
p1.add(textField2);
b1=new JButton("开始");
b2=new JButton("退出");
p2.add(b1);
p2.add(b2);
p2.add(l2);
p2.add(l3);
p3.add(l1);
add(p1,BorderLayout.CENTER);
add(p3,BorderLayout.NORTH);
add(p2,BorderLayout.SOUTH);
b1.addActionListener(this);
b2.addActionListener(this);
JOptionPane.showMessageDialog(null, "请选择要练习的内容:1.初级 2.中级 3.困难");
this.setLocationRelativeTo(null);
setVisible(true);
}

@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==b1){
int key=0;
key=Integer.valueOf(l3.getText());
switch (key) {
case 1:
textField1.setText("abcdefghijklmnopqrstuvwxyz");
break;
case 2:
textField1.setText("My father was a self-taught mandolin player. "
+ "He was one of the best string instrument players in our town. "
+ "He could not read music, but if he heard a tune a few times, "
+ "he could play it. "
+ "When he was younger, he was a member of a small country music b");
break;
case 3:
textField1.setText("sdfmawieofnosandvoinqewoifnvoqwneiqwenfqnwefoinqwoien");
break;
default:
break;
}
len1=textField1.getText().length();
}
if(e.getSource()==b2)
{
System.exit(0);
}

}

public static void main(String [] argsS)
{
typeWriting t1=new typeWriting();
}

@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub

}
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if((int)e.getKeyChar()>31&&(int)e.getKeyChar()<127)
{
if(i>=textField1.getText().length())
{
JOptionPane.showMessageDialog(null, "超出个数");
}

double c=0;
if(e.getKeyChar()==textField1.getText().charAt(i))
{
r++;i++;
}
else {
i++;
}
double f=i;
c=(r/f)*100;
showmessageJLabel.setText("当前正确率:"+c+"%");

}

}

@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub

}

}