java鼠标控制小球代码,在用的时候把项目名和类名改成自己的就可以啦
package ball;
import java.awt.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
public class myball {
public static void main(String[] args) {
Frame w = new Frame();
w.setSize(300,400);
MyPanel mp = new MyPanel();
w.add(mp);
w.addMouseMotionListener(mp);
mp.addMouseMotionListener(mp);
w.show();
}
}
class MyPanel extends Panel implements MouseMotionListener{
int x=30;
int y=30;
public void paint(Graphics g) {
g.fillOval(x,y,20,20);
}
@Override
public void mouseDragged(MouseEvent arg0) {
//鼠标拖动
x=arg0.getX();
y=arg0.getY();
repaint();
}
@Override
public void mouseMoved(MouseEvent arg0) {
//TODO Auto-generated method stub
}
}