将文本和图标从一个JTextPane移动到另一个

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

public class TextPaneMoveExample {
    public static void main(String[] args) {
        // 创建源JTextPane
        JTextPane sourceTextPane = new JTextPane();
        sourceTextPane.setText("Hello, World!");
        sourceTextPane.insertIcon(new ImageIcon("icon.png"));

        // 创建目标JTextPane
        JTextPane targetTextPane = new JTextPane();

        // 获取源JTextPane中的文本和图标
        String text = sourceTextPane.getText();
        StyledDocument sourceDoc = sourceTextPane.getStyledDocument();
        Element sourceRoot = sourceDoc.getDefaultRootElement();
        Icon icon = sourceRoot.getElement(0).getIcon();

        // 在目标JTextPane中插入文本和图标
        targetTextPane.setText(text);
        targetTextPane.insertIcon(icon);

        // 将源JTextPane中的样式信息应用到目标JTextPane中
        StyledDocument targetDoc = targetTextPane.getStyledDocument();
        StyleContext styleContext = StyleContext.getDefaultStyleContext();
        AttributeSet attributes = styleContext.addAttribute(SimpleAttributeSet.EMPTY, StyleConstants.FontSize, 12);
        attributes = styleContext.addAttribute(attributes, StyleConstants.FontFamily, "Arial");
        targetDoc.setCharacterAttributes(0, text.length(), attributes, false);

        // 创建一个 JFrame 并将目标JTextPane添加到其中
        JFrame frame = new JFrame("TextPane Move Example");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.getContentPane().add(new JScrollPane(targetTextPane));
        frame.setSize(300, 200);
        frame.setVisible(true);
    }
}