Java Swing - 如何添加mouselistener到JLabel/JButton插入JTextPane

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import java.awt.Color;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTextPane;
public class Main {
  public static void main(String[] args) throws Exception {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JTextPane editorPane = new JTextPane();
    editorPane.setSelectedTextColor(Color.red);
    // set content as html
   // editorPane.setContentType("text/html");
   editorPane.setText("<p color='#FF0000'>Cool!</p>");
    // added <u></u> to underlone button
    JButton label = new JButton("button");
    label.setAlignmentY(0.85f);
    label.addMouseListener(new MouseAdapter() {
      @Override
      public void mouseReleased(MouseEvent e) {
        if (e.isPopupTrigger() || e.getButton() == MouseEvent.BUTTON1) {
          JOptionPane.showMessageDialog(null, "Hello!");
 
 
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