tree5.java

该文件中包含有源代码及一部分的文档,该系统是一个小型的英语单词字典的系统.

package english;

import java.awt.*;
import javax.swing.tree.*;
import javax.swing.*;
import java.awt.Dimension;
import java.awt.BorderLayout;

public class Tree5 extends JPanel {
    DefaultMutableTreeNode root;
    DefaultMutableTreeNode node1;
    DefaultMutableTreeNode node2;
    DefaultMutableTreeNode child;
    DefaultTreeModel model;
    BorderLayout borderLayout1 = new BorderLayout();
    JScrollPane jScrollPane1 = new JScrollPane();
    JTree jTree1;

    public Tree5() {
        try {
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
       root = new DefaultMutableTreeNode("节选文章");
       node1 = new DefaultMutableTreeNode("简单自测");
       node2 = new DefaultMutableTreeNode("高级配音");
       model = new DefaultTreeModel(root);
       model.insertNodeInto(node1,root,root.getChildCount());
       model.insertNodeInto(node2,root,root.getChildCount());
       child = new DefaultMutableTreeNode("preside");
       model.insertNodeInto(child,node1,node1.getChildCount());
       child = new DefaultMutableTreeNode("conference");
       model.insertNodeInto(child,node2,node2.getChildCount());
       jTree1 = new JTree(model);
       JScrollPane jScrollPane1 = new JScrollPane(jTree1,
                            JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
                            JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
        this.setLayout(borderLayout1);
        this.setPreferredSize(new Dimension(100, 290));
        jScrollPane1.setHorizontalScrollBarPolicy(JScrollPane.
                HORIZONTAL_SCROLLBAR_AS_NEEDED);
        jScrollPane1.setVerticalScrollBarPolicy(JScrollPane.
                                                VERTICAL_SCROLLBAR_AS_NEEDED);
        this.add(jScrollPane1, java.awt.BorderLayout.NORTH);
        jScrollPane1.getViewport().add(jTree1);
    }
}