您可以使用的
setDefaultCloseOperation()方法
JDialog，指定
DISPOSE_ON_CLOSE：
setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
另请参见12.8程序退出。
附录：包含@camickr的有用答案，当关闭窗口或按下关闭按钮时，此示例退出。
import java.awt.EventQueue;import java.awt.GridLayout;import java.awt.event.ActionEvent;import java.awt.event.WindowEvent;import javax.swing.AbstractAction;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JLabel;public class DialogClose extends JDialog { public DialogClose() { this.setLayout(new GridLayout(0, 1)); this.add(new JLabel("Dialog close test.", JLabel.CENTER)); this.add(new JButton(new AbstractAction("Close") { @Override public void actionPerformed(ActionEvent e) { DialogClose.this.setVisible(false); DialogClose.this.dispatchEvent(new WindowEvent( DialogClose.this, WindowEvent.WINDOW_CLOSING)); } })); } private void display() { this.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE); this.pack(); this.setLocationRelativeTo(null); this.setVisible(true); } public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { @Override public void run() { new DialogClose().display(); } }); }}
