final JButton btn = new JButton("Close");btn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { Window w = SwingUtilities.getWindowAncestor(btn); if (w != null) { w.setVisible(false); } }});
final JButton btn = new JButton("Close");btn.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent evt) { Window w = SwingUtilities.getWindowAncestor(btn); if (w != null) { w.setVisible(false); } }});名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
