树节点在重命名后获得修改值的方法

如下代码所示，在treeModel中添加一个事件处理即可，真是太容易了，我还想了半天！

 

treeModel.addTreeModelListener(new TreeModelListener(){

   @Override
   public void treeNodesChanged(TreeModelEvent e) {
    // TODO Auto-generated method stub
  /*  treeNodesChanged(e);*/
   
    
   TreePath treePath = e.getTreePath();
   DefaultMutableTreeNode node = (DefaultMutableTreeNode) treePath
     .getLastPathComponent();
   try {
    int[] index = e.getChildIndices();
    node = (DefaultMutableTreeNode) node.getChildAt(index[0]);
   } catch (NullPointerException exc) {
   }
   System.out.println("更改数据为:" + (String) node.getUserObject());
   }

 

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