可以用事件处理来做啊,2各家一样的事件
这个做地不好看,只是实现效果, 你可以再调整间距、贴图片……================= demo.java ====================================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;public class demo extends JFrame {
private JPanel pn = new JPanel();
private JButton z = new JButton("左边");
private JButton y = new JButton("右边");
private JButton q1 = new JButton("其它1");
private JButton q2 = new JButton("其它2");
private JButton q3 = new JButton("其它3");
private JButton q4 = new JButton("其它4");
private JButton q5 = new JButton("其它5");
public demo() {
pn.add(q1);
pn.add(z);
pn.add(y);
pn.add(q2);
pn.add(q3);
pn.add(q4);
pn.add(q5);
z.setBorder(null);
y.setBorder(null);
q1.setBorder(null);
q2.setBorder(null);
q3.setBorder(null);
q4.setBorder(null);
q5.setBorder(null);
getContentPane().add(pn);
z.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
z.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
y.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
}
public void mouseExited(MouseEvent e) {
z.setBorder(null);
y.setBorder(null);
}
});
y.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
z.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
y.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
}
public void mouseExited(MouseEvent e) {
z.setBorder(null);
y.setBorder(null);
}
});
pack();
show();
}
public static void main(String args[]) {
new demo();
}
}
这个做地不好看,只是实现效果, 你可以再调整间距、贴图片……================= demo.java ====================================
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.border.*;public class demo extends JFrame {
private JPanel pn = new JPanel();
private JButton z = new JButton("左边");
private JButton y = new JButton("右边");
private JButton q1 = new JButton("其它1");
private JButton q2 = new JButton("其它2");
private JButton q3 = new JButton("其它3");
private JButton q4 = new JButton("其它4");
private JButton q5 = new JButton("其它5");
public demo() {
pn.add(q1);
pn.add(z);
pn.add(y);
pn.add(q2);
pn.add(q3);
pn.add(q4);
pn.add(q5);
z.setBorder(null);
y.setBorder(null);
q1.setBorder(null);
q2.setBorder(null);
q3.setBorder(null);
q4.setBorder(null);
q5.setBorder(null);
getContentPane().add(pn);
z.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
z.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
y.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
}
public void mouseExited(MouseEvent e) {
z.setBorder(null);
y.setBorder(null);
}
});
y.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
z.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
y.setBorder(BorderFactory.createLineBorder(Color.BLACK, 1));
}
public void mouseExited(MouseEvent e) {
z.setBorder(null);
y.setBorder(null);
}
});
pack();
show();
}
public static void main(String args[]) {
new demo();
}
}
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