tank/MenuBarlyx.java

package com.utils;

import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.*;
import com.view.*;

public class MenuBarlyx {
    JMenuBar menuBar;
    JMenuItem carInfomationItem;
    JMenuItem workerInformationItem;
    JMenuItem guestInformationItem;
    JMenuItem saleInformationItem;
    JMenuItem exitItem;

    public MenuBarlyx(JFrame frame) {
        // TODO Auto-generated constructor stub
        menuBar = new JMenuBar();

        carInfomationItem = new JMenuItem("汽车信息");
        carInfomationItem.setBackground(Color.black);
        carInfomationItem.setForeground(Color.green);
        setCarInfomationItem(frame);
        workerInformationItem = new JMenuItem("员工信息");
        workerInformationItem.setBackground(Color.black);
        workerInformationItem.setForeground(Color.green);
        setWorkerInformationItem(frame);
        guestInformationItem = new JMenuItem("客户信息");
        guestInformationItem.setBackground(Color.black);
        guestInformationItem.setForeground(Color.green);
        setGuestInformationItem(frame);
        saleInformationItem = new JMenuItem("销售信息");
        saleInformationItem.setBackground(Color.black);
        saleInformationItem.setForeground(Color.green);
        setSaleInformationItem(frame);
        exitItem = new JMenuItem("退出系统");
        exitItem.setBackground(Color.black);
        exitItem.setForeground(Color.red);
        setExitItem(frame);
        menuBar.add(carInfomationItem);
        menuBar.add(workerInformationItem);
        menuBar.add(guestInformationItem);
        menuBar.add(saleInformationItem);
        menuBar.add(exitItem);

        frame.setJMenuBar(menuBar);

    }

    private void setCarInfomationItem(JFrame main) {
        // TODO Auto-generated method stub
        carInfomationItem.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub

                main.setVisible(false);
                new com.view.CarViewlyx();
            }
        });
    }
    private void setWorkerInformationItem(JFrame main) {
        // TODO Auto-generated method stub
        workerInformationItem.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                main.setVisible(false);
                new com.view.WorkerViewdyh();
            }
        });

    }

    private void setGuestInformationItem(JFrame main) {
        // TODO Auto-generated method stub
        guestInformationItem.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                main.setVisible(false);
                new com.view.GuestViewhxr();
            }
        });

    }
    private void setSaleInformationItem(JFrame main) {
        // TODO Auto-generated method stub
        saleInformationItem.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                main.setVisible(false);
                new com.view.SaleViewyzz();
            }
        });
    }
    private void setExitItem(JFrame main) {
        // TODO Auto-generated method stub
        exitItem.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                // TODO Auto-generated method stub
                main.setVisible(false);
                System.exit(0);
            }
        });
    }

}