Java -从JTextField获取日语并保存到文件

import javax.swing.*;
import java.awt.event.*;
import java.io.*;

public class SaveJapaneseTextToFile {
    public static void main(String[] args) {
        JFrame frame = new JFrame("Save Japanese Text to File");
        JTextField textField = new JTextField(20);
        JButton saveButton = new JButton("Save");

        saveButton.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                String text = textField.getText();
                saveToFile(text);
            }
        });

        frame.getContentPane().add(textField);
        frame.getContentPane().add(saveButton);
        frame.setLayout(new FlowLayout());
        frame.setSize(300, 100);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }

    private static void saveToFile(String text) {
        try {
            BufferedWriter writer = new BufferedWriter(new FileWriter("japanese.txt"));
            writer.write(text);
            writer.close();
            System.out.println("保存成功！");
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}