[转载]JTree 编辑、删除、添加节点_-Chaz-_新浪博客

原文地址： JTree 编辑、删除、添加节点 作者： delimma

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

来源：( JTree 编辑、删除、添加节点_ReadLiveCode_新浪博客) - JTree 编辑、删除、添加节点_ReadLiveCode_新浪博客

public class EditJTree  
{  
    JFrame jf;  
 
    JTree tree;  
    //上面JTree对象对应的model  
    DefaultTreeModel model;  
      
    //定义几个初始节点  
    DefaultMutableTreeNode root = new DefaultMutableTreeNode("中国");   
    DefaultMutableTreeNode guangdong = new DefaultMutableTreeNode("广东");  
    DefaultMutableTreeNode guangxi = new DefaultMutableTreeNode("广西");  
    DefaultMutableTreeNode foshan = new DefaultMutableTreeNode("佛山");  
    DefaultMutableTreeNode shantou = new DefaultMutableTreeNode("汕头");  
    DefaultMutableTreeNode guilin = new DefaultMutableTreeNode("桂林");  
    DefaultMutableTreeNode nanning = new DefaultMutableTreeNode("南宁");  
 
    //定义需要被拖动的TreePath  
    TreePath movePath;  
 
    JButton addSiblingButton = new JButton("添加兄弟节点");  
    JButton addChildButton = new JButton("添加子节点");  
    JButton deleteButton = new JButton("删除节点");  
    JButton editButton = new JButton("编辑当前节点");  
 
    public void init()  
    {  
        guangdong.add(foshan);  
        guangdong.add(shantou);  
        guangxi.add(guilin);  
        guangxi.add(nanning);  
        root.add(guangdong);  
        root.add(guangxi);  
          
        jf = new JFrame("树");  
        tree = new JTree(root);  
        //获取JTree对应的TreeModel对象  
        model = (DefaultTreeModel)tree.getModel();  
        //设置JTree可编辑  
        tree.setEditable(true);  
        MouseListener ml = new MouseAdapter()