小编sid*_*u99的帖子

我的节目是关于一家超市.我在delivery()方法中创建了一个名为b1的JButton.我希望当用户按下按钮b1时关闭JFrame窗口.但不幸的是我不知道该怎么做.请帮忙.以下是我的程序的delivery()方法:

public static void delivery()
{
    JFrame f = new JFrame("Name");
    f.setVisible(true);
    f.setSize(600,200);
    f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    f.setLocation(700,450);

    JPanel p = new JPanel();

    final JLabel l = new JLabel("Enter your name: ");

    final JTextField jt = new JTextField(20);

    JButton b1 = new JButton("Ok");
    b1.addActionListener(new ActionListener()
    {
        public void actionPerformed(ActionEvent e)
        {
            input = jt.getText();
        }
    });

    p.add(b1);
    p.add(l);
    p.add(jt);
    f.add(p);

    String b = JOptionPane.showInputDialog(null, "Please enter your address in one single line:");
    JOptionPane.showMessageDialog(null, "The ordered stuff will be delivered to " +input+ " …