Jtree控件的事件触发问题，在线等待！！！

Question

public void valueChanged(TreeSelectionEvent e){
        
        TreePath path = tree.getSelectionPath();
        if(path == null)
            return;
        DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode)path.getLastPathComponent();
        
        
            String userObject = (String)selectedNode.getUserObject();
            String temp [] = userObject.split(",");
            statusTree.setText("±»Ñ¡½ÚµãÊÇ£º"+temp[1]);
            this.make_Node(selectedNode,temp[1]);
        
        
    }
看看以上的代码！