程序退出,用windowclosing这个事件。 需要设置窗体的关闭是setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); int k = JOptionPane.showConfirmDialog(null, "Are you sure quit the project?", "Exit Confirm", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE); if (k == JOptionPane.YES_OPTION) {
需要设置窗体的关闭是setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE); int k = JOptionPane.showConfirmDialog(null, "Are you sure quit the project?",
"Exit Confirm", JOptionPane.YES_NO_OPTION,
JOptionPane.QUESTION_MESSAGE);
if (k == JOptionPane.YES_OPTION) {
我的主程序界面是view窗体,就找不到事件这个属性!也没有JFrame的属性了!