从已保存的文件重新加载JTree

Question

我从一个文件中读取了一个JTree。我想在我的JPanel中显示它。 我在读取文件后重新加载DefaultTreeModel，但它不起作用。

public class DynamicTree extends JPanel 
{
    protected   myDefaultMutableTreeNode rootNode;
    protected   DefaultTreeModel treeModel;
    protected   JTree tree;
    private transient  Toolkit toolkit = Toolkit.getDefaultToolkit();
    private      URL helpURL;

    public void reloadModel(){this.treeModel.reload();}
}

阅读文件以加载DynamicTree

address = (DynamicTree) ReadDynamicTreeFromFile();

 MainPanel.SetTree4load(address);

SetTree4load（地址）方法是：

 public static void SetTree4load(DynamicTree tree)
    {
         treePanel=tree;       //treepanel is the current DynamicTree in the frame
         treePanel.reloadModel();
    }

提前致谢：）

Answer 1

而不是改变树。尝试将模型和数据模型从加载的树设置为面板树