Java/Swing将多个JTextField的输入保存到一个文件中

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedWriter;
import java.io.FileWriter;
import java.io.IOException;

public class SaveTextToFileExample extends JFrame {
    private JTextField textField1;
    private JTextField textField2;
    private JButton saveButton;

    public SaveTextToFileExample() {
        setTitle("Save Text to File Example");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setSize(300, 200);

        textField1 = new JTextField();
        textField2 = new JTextField();
        saveButton = new JButton("Save");

        saveButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                String text1 = textField1.getText();
                String text2 = textField2.getText();

                try {
                    BufferedWriter writer = new BufferedWriter(new FileWriter("output.txt"));
                    writer.write(text1);
                    writer.newLine();
                    writer.write(text2);
                    writer.close();
                    JOptionPane.showMessageDialog(null, "Text saved to file successfully.");
                } catch (IOException ex) {
                    JOptionPane.showMessageDialog(null, "Error saving text to file.");
                }
            }
        });

        setLayout(new FlowLayout());
        add(textField1);
        add(textField2);
        add(saveButton);
    }

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