用于在swing应用程序中滚动1 Gb rtf文档的API

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

public class ScrollRTFDocument {
    public static void main(String[] args) {
        SwingUtilities.invokeLater(() -> {
            JFrame frame = new JFrame("Scroll RTF Document");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

            JTextPane textPane = new JTextPane();
            textPane.setEditable(false);

            JScrollPane scrollPane = new JScrollPane(textPane);
            scrollPane.setPreferredSize(new Dimension(800, 600));

            frame.getContentPane().add(scrollPane);
            frame.pack();
            frame.setVisible(true);

            // 加载1 Gb的RTF文档
            try {
                File rtfFile = new File("path/to/1gb.rtf");
                FileInputStream fis = new FileInputStream(rtfFile);
                InputStreamReader isr = new InputStreamReader(fis);
                textPane.read(isr, null);
            } catch (IOException e) {
                e.printStackTrace();
            }
        });
    }
}