大哥能发你QQ 联系一下么?
监听的知识都忘了
我不上qq得,看例子
import java.awt.Button;
import java.awt.Frame;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import javax.swing.JOptionPane;
public class B {
public static void main(String[] args) {
Frame f = new Frame("Du");
Button btn = new Button("Click me");
btn.addMouseListener(new BtnMouseListener());
f.add(btn);
f.setVisible(true);
f.pack();
}
}
class BtnMouseListener implements MouseListener{
public void mouseClicked(MouseEvent e) {
JOptionPane.showMessageDialog(null, "Button clicked");
}
public void mouseEntered(MouseEvent e) {}
public void mouseExited(MouseEvent e) {}
public void mousePressed(MouseEvent e) {}
public void mouseReleased(MouseEvent e) {}
}