Java隐藏/显示依赖于组合框的值的JTextFields

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

public class ComboBoxExample extends JFrame {
    private JComboBox<String> comboBox;
    private JTextField textField1;
    private JTextField textField2;

    public ComboBoxExample() {
        setTitle("ComboBox Example");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setLayout(new FlowLayout());

        // 创建组合框并添加选项
        comboBox = new JComboBox<>();
        comboBox.addItem("Option 1");
        comboBox.addItem("Option 2");
        comboBox.addItem("Option 3");

        // 创建文本输入框
        textField1 = new JTextField(10);
        textField2 = new JTextField(10);

        // 添加组合框的事件监听器
        comboBox.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                // 根据选择的值来控制文本输入框的可见性
                String selectedOption = (String) comboBox.getSelectedItem();
                if (selectedOption.equals("Option 1")) {
                    textField1.setVisible(true);
                    textField2.setVisible(false);
                } else if (selectedOption.equals("Option 2")) {
                    textField1.setVisible(false);
                    textField2.setVisible(true);
                } else {
                    textField1.setVisible(true);
                    textField2.setVisible(true);
                }
            }
        });

        // 添加组件到窗口
        add(comboBox);
        add(textField1);
        add(textField2);

        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        SwingUtilities.invokeLater(new Runnable() {
            @Override
            public void run() {
                new ComboBoxExample();
            }
        });
    }
}