package www.tainiu.gui;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class ah__JianTing__V1 extends JFrame implements ActionListener {
JPanel mp=null;
JButton jb1= null;
JButton jb2= null;
public static void main(String[] args) {
// TODO Auto-generated method stub
ah__JianTing__V1 jv= new ah__JianTing__V1();
}
public ah__JianTing__V1() {
// TODO Auto-generated constructor stub
mp= new MyPanel_V9();
jb1= new JButton("黑色");
jb2= new JButton("红色");
this.add(jb1, BorderLayout.NORTH);
this.add(this.mp);
this.add(jb2, BorderLayout.SOUTH);
mp.setBackground(Color.blue);
this.setSize(200, 150);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(true);
//注册监听
jb1.addActionListener(this);
jb1.setActionCommand("黑色");
jb2.addActionListener(this);
jb2.setActionCommand("红色");
jb1.addActionListener(new Cat());
//jb1.setActionCommand("黑色");
}
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
//System.out.println("ok");
if(e.getActionCommand().equals("黑色")) {
System.out.println("您好,您点击的是【黑色】按钮");
mp.setBackground(Color.BLACK);
} else if(e.getActionCommand().equals("红色")) {
System.out.println("您好,您点击的是【红色】按钮");
mp.setBackground(Color.red);
}
}
}
class MyPanel_V9 extends JPanel{
@Override
public void paint(Graphics g) {
// TODO Auto-generated method stub
super.paint(g);
}
}
class Cat implements ActionListener {
@Override
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if(e.getActionCommand().equals("黑色")) {
System.out.println("猫猫监听,您点击的是【黑色】按钮");
//mp.setBackground(Color.BLACK);
} else if(e.getActionCommand().equals("红色")) {
System.out.println("猫猫监听,您点击的是【红色】按钮");
//mp.setBackground(Color.red);
}
}
}
package www.tainiu.gui;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.Action;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class ah__JT_V2 extends JFrame {
JPanel mp= null;
public static void main(String[] args) {
// TODO Auto-generated method stub
ah__JT_V2 jv= new ah__JT_V2();
}
public ah__JT_V2() {
// TODO Auto-generated constructor stub
mp= new MyPanel__V10();
this.add(mp);
this.setSize(400, 300);
this.setVisible(true);
//绑定监听操作
this.addKeyListener((KeyListener) mp);
}
}
class MyPanel__V10 extends JPanel implements KeyListener{
int x= 10;
int y= 10;
@Override
public void paint(Graphics g) {
// TODO Auto-generated method stub
super.paint(g);
g.fillOval(this.x, this.y, 20, 20);
}
@Override
public void keyTyped(KeyEvent e) {
// TODO Auto-generated method stub
}
@Override
public void keyPressed(KeyEvent e) {
// TODO Auto-generated method stub
if(e.getKeyCode() == KeyEvent.VK_DOWN) {
this.y ++;
}else if(e.getKeyCode() == KeyEvent.VK_UP) {
this.y --;
}else if(e.getKeyCode() == KeyEvent.VK_LEFT) {
this.x --;
}else if(e.getKeyCode() == KeyEvent.VK_RIGHT) {
this.x ++;
}
this.repaint();
}
@Override
public void keyReleased(KeyEvent e) {
// TODO Auto-generated method stub
}
}
原文:http://www.cnblogs.com/wujianbo123/p/7633082.html