我在程序中写有10个JTextField控件,现在我想通过按下回车键,实现光标直接跳转到下一个控件的功能(就和按下Tab的功能一样),但是在java的KeyPress事件响应中不知道应该如何实现,我将我的一部分程序发上来,希望高人能够给我一个代码的说明.我希望有人能够拿走这80分
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JPanel;
import javax.swing.JTextField;public class keyevent extends JPanel implements KeyListener
{
JTextField b[]=new JTextField[10];
keyevent()
{
for(int i=0;i<=9;i++)
{
b[i]=new JTextField(""+i);
b[i].addKeyListener(this);
add(b[i]);
}
}
public void keyPressed(KeyEvent e){}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
}
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JPanel;
import javax.swing.JTextField;public class keyevent extends JPanel implements KeyListener
{
JTextField b[]=new JTextField[10];
keyevent()
{
for(int i=0;i<=9;i++)
{
b[i]=new JTextField(""+i);
b[i].addKeyListener(this);
add(b[i]);
}
}
public void keyPressed(KeyEvent e){}
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
}
int key = evt.getKeyCode();
if (key == KeyEvent.VK_ENTER)
transferFocus();}
import java.awt.event.*;
import javax.swing.*;
//定义自己的JTextField类
class MyTextField extends JTextField {
MyTextField(int len) {
super(len);
//添加事件监听,使用匿名类
addKeyListener( new KeyAdapter() {
//当回车时候实现tab功能
public void keyPressed(KeyEvent evt){
int key = evt.getKeyCode();
if (key == KeyEvent.VK_ENTER)
transferFocus();
}
});
}
}
public class Test{
public static void main(String args[]){
JFrame jf = new JFrame("hello");
MyTextField f1 = new MyTextField(10);
MyTextField f2 = new MyTextField(10);
jf.add(f1,"North");
jf.add(f2,"South");
jf.setSize(100,100);
jf.setVisible(true);
}
}