swing 如何实现图片和文字一起显示（如qq）

import java.awt.Container;
import java.awt.Rectangle;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Vector;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.text.BadLocationException;
import javax.swing.text.StyleConstants;

public class JTextPane2 extends JFrame{
    private JTextPane mypane;
    private JTextPane pane;
    private JScrollPane scrollMypane;
    private JScrollPane scrollPane;

    public JTextPane2() {
        super("JTextPane Test");
         Container container = getContentPane();
         container.setLayout(null);
         pane = new JTextPane();
         pane.setEditable(false);
         scrollPane = new JScrollPane(pane);
         scrollPane.setBounds(new Rectangle(0,10,400,200));
         JButton insertButton = new JButton("插入圖片");
         insertButton.setBounds(new Rectangle(0,220,100,40));

         insertButton.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
                 JFileChooser chooser = new JFileChooser();
                 chooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
                 chooser.showOpenDialog(JTextPane2.this);
                 mypane.insertIcon(new ImageIcon(chooser.getSelectedFile().toString()));
             }
         });

         mypane = new JTextPane();
         scrollMypane = new JScrollPane(mypane);
         scrollMypane.setBounds(new Rectangle(0,270,400,200));

         JButton sendButton = new JButton("發送");
         sendButton.setBounds(new Rectangle(170,500,60,40));
         sendButton.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e) {
                 Vector picVector = new Vector();
                for(int i = 0; i < mypane.getStyledDocument().getRootElements()[0].getElement(0).getElementCount(); i++){
                     Icon icon = StyleConstants.getIcon(mypane.getStyledDocument().getRootElements()[0].getElement(0).getElement(i).getAttributes());
                    if(icon != null){
                         picVector.add(icon.toString());
                     }
                 }
                 System.err.println("發送 JTextPane 的內容是 :\n"+mypane.getText());
                int k = 0;
                for(int i = 0; i < mypane.getText().length(); i++){
                    if(mypane.getStyledDocument().getCharacterElement(i).getName().equals("icon")){
                         System.err.println("你在第 " + i + " 行插入了圖片，圖片的路徑是 :");
                         pane.insertIcon(new ImageIcon(picVector.get(k).toString()));
                         System.err.println(picVector.get(k++).toString());
                     }else{
                        try {
                             pane.getStyledDocument().insertString(pane.getText().length(), mypane.getStyledDocument().getText(i,1), null);
                         } catch (BadLocationException e1) {
                             e1.printStackTrace();
                         }
                     }
                 }
                 picVector.clear();
             }
         });
         container.add(scrollPane);
         container.add(insertButton);
         container.add(scrollMypane);
         container.add(sendButton);
         setSize(400,600);
         setVisible(true);

     }

    public static void main(String[] args) {
        new JTextPane2().setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     }

}