package com.zxl;
import javax.swing.*;
import javax.swing.tree.DefaultMutableTreeNode;
/**
* @Description: //TODO 树形菜单
* @Author: zhangxueliang
* @Create: 2021-05-17 17:05
* @Version: 1.0
**/
public class JTreeDemo {
public static void main(String[] args) {
DefaultMutableTreeNode root = new DefaultMutableTreeNode("中国");
DefaultMutableTreeNode hb = new DefaultMutableTreeNode("湖北");
DefaultMutableTreeNode wh = new DefaultMutableTreeNode("武汉");
DefaultMutableTreeNode xg = new DefaultMutableTreeNode("孝感");
DefaultMutableTreeNode hn = new DefaultMutableTreeNode("湖南");
DefaultMutableTreeNode cs = new DefaultMutableTreeNode("长沙");
root.add(hb);
root.add(hn);
hb.add(wh);
hb.add(xg);
hn.add(cs);
JFrame jFrame = new JFrame();
JTree jTree = new JTree(root);
jFrame.add(jTree);
jFrame.setVisible(true);
jFrame.setSize(250, 250);
jFrame.setLocationRelativeTo(null);
jFrame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
}
}
Java GUI编程:swing JTree实现树形菜单代码示例
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