求助:JTree

Question

求助高手
怎么实现在Frame中用JSplitPane分成左右两部分
左边是JTree,当点击子节点时,右边显示子节点的信息?
万分感激!!!!!

Answer 1

此回复为自动发出,仅用于显示而已，并无任何其他特殊作用
楼主【mike12268】截止到2008-06-24 16:44:51的历史汇总数据(不包括此帖)：
发帖数:3                  发帖分:20                 
结贴数:0                  结贴分:0                  
未结数:3                  未结分:20                 
结贴率:0.00  %            结分率:0.00  %            
如何结贴请参考这里：http://topic.csdn.net/u/20080501/09/ef7ba1b3-6466-49f6-9d92-36fe6d471dd1.html

Answer 2

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JSplitPane;
import javax.swing.JTree;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;public class JTreeTest extends JFrame {    private JSplitPane split = new JSplitPane();    private JTree tree = new JTree();    private JLabel label = new JLabel();    public JTreeTest() {
        this.getContentPane().add(this.split);
        this.split.setLeftComponent(this.tree);
        this.tree.addTreeSelectionListener(new TreeSelectionListener() {
            public void valueChanged(TreeSelectionEvent e) {
                label.setText(tree.getSelectionPath().getLastPathComponent().toString());
            }
        });
        this.split.setRightComponent(this.label);
    }    /**
     * @param args
     */
    public static void main(String[] args) {
        JTreeTest jt = new JTreeTest();
        jt.setVisible(true);
        jt.setSize(300, 200);
        jt.setDefaultCloseOperation(EXIT_ON_CLOSE);
    }}

Answer 3

import javax.swing.*;
import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
public class TestJTree { /**
 * @param args
 */
public static void main(String[] args) {
JFrame fr=new JFrame();
fr.setSize(300,500);
fr.setDefaultCloseOperation(3);
JSplitPane jp=new JSplitPane(JSplitPane.HORIZONTAL_SPLIT);
        fr.getContentPane().add(jp);
        JTree jt=new JTree();
        jp.add(jt, JSplitPane.LEFT , 0); 
        JTextArea ja=new JTextArea();
        jp.add(ja,JSplitPane.RIGHT,1);
        //fr.getContentPane().add(jt);
        fr.setVisible(true);
        jt.addTreeSelectionListener(new MyTreeSelectionListener(ja,jt));
}}
class MyTreeSelectionListener implements TreeSelectionListener{
    JTextArea ja;
    JTree jt;
    
public MyTreeSelectionListener(JTextArea ja,JTree jt) {
this.ja=ja;
this.jt=jt;
} public void valueChanged(TreeSelectionEvent e) {
ja.setText(jt.getSelectionPath().getLastPathComponent().toString());

}


}

Answer 4

JDK安装目录\demo\jfc\SwingSet2\SwingSet2.jar 这儿有个很好的例子。