急！已经弄了两天了！

Question

tree.addMouseListener(new MouseAdapter(){
   public void mouseClicked(MouseEvent me){
      txtName.setText("");//在下一次点击时清除文本框
      TreePath tp = tree.getPathForLocation(me.getX(),me.getY());      DefaultMutableTreeNode node = (DefaultMutableTreeNode)tp.getLastPathComponent();      if (tp != null){
         txtName.setText(node.toString());
      }
  }
});

Answer 1

System.out.println (tree.getSelectionPath().getLastPathComponent().toString());