panle2.java

This program is show how to use java to make a view like an normal soft.

package panel;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;
public class panle2 extends JPanel
{ 
	JTree tree;

	public panle2()
	{ 
	  DefaultMutableTreeNode root=new DefaultMutableTreeNode("仿真");
	  DefaultMutableTreeNode t1=new DefaultMutableTreeNode("仿真");  
      DefaultMutableTreeNode t2=new DefaultMutableTreeNode("属性");   
	
	  DefaultMutableTreeNode t11=new DefaultMutableTreeNode("教学库");   
	  DefaultMutableTreeNode t12=new DefaultMutableTreeNode("教师库"); 
	  DefaultMutableTreeNode t13=new DefaultMutableTreeNode("学生库"); 
	  DefaultMutableTreeNode t21=new DefaultMutableTreeNode("建筑库"); 
	  DefaultMutableTreeNode t22=new DefaultMutableTreeNode("其他库"); 
	  DefaultMutableTreeNode t23=new DefaultMutableTreeNode("管道库"); 
	  DefaultMutableTreeNode t24=new DefaultMutableTreeNode("通道库"); 
	 tree=new JTree(root);
	  root.add(t1);
	  root.add(t2);
	  t1.add(t11);
	  t1.add(t12);
	  t1.add(t13);
	  t2.add(t21);
	  t2.add(t22);
	  t2.add(t23);
	  t2.add(t24);
	  add(tree);
       setLayout(new BorderLayout());

	   add(new JScrollPane(tree));
	}
};