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代码一：

package bt;

import java.awt.*;
import java.awt.event.*;
import java.util.EventObject;
import javax.swing.*;
import javax.swing.table.*;

public class bt1 {

    private JFrame frame;
    private JTable CompTable = null;
    private PanelTableModel CompModel = null;
    private JButton addButton = null;

    public static void main(String args[]) {
        try {
            UIManager.setLookAndFeel("com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel");
            //UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (Exception fail) {
        }
        SwingUtilities.invokeLater(new Runnable() {

            @Override
            public void run() {
                new bt1().makeUI();
            }
        });
    }

    public void makeUI() {
        CompTable = CreateCompTable();
        JScrollPane CompTableScrollpane = new JScrollPane(CompTable, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,
                JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
        JPanel bottomPanel = CreateBottomPanel();
        frame = new JFrame("Comp Table Test");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(CompTableScrollpane, BorderLayout.CENTER);
        frame.add(bottomPanel, BorderLayout.SOUTH);
        frame.setPreferredSize(new Dimension(800, 400));
        frame.setLocation(150, 150);
        frame.pack();
        frame.setVisible(true);
    }

    public JTable CreateCompTable() {
        CompModel = new PanelTableModel();
        CompModel.addRow();
        JTable table = new JTable(CompModel);
        table.setRowHeight(new CompCellPanel().getPreferredSize().height);
        table.setTableHeader(null);
        PanelCellEditorRenderer PanelCellEditorRenderer = new PanelCellEditorRenderer();
        table.setDefaultRenderer(Object.class, Panel