GUI记事本+切换面板

package com.niit.javagui;

import java.awt.Color;
import java.awt.MenuBar;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;

import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JPanel;
import javax.swing.JTabbedPane;
import javax.swing.KeyStroke;

/**
 * @author: Annie
 * @date:2016年5月30日
 * @description:
 */
public class JTabbedPaneDemo extends JFrame{
    public static void main(String[] args) {
        new JTabbedPaneDemo();
    }

    JTabbedPane tabbedPane;
    JPanel jp1,jp2,jp3;
    JMenuBar menuBar;
    JMenu filemenu,editMenu,formatMenu,helpmenu,checkMenu;
    JMenuItem itemNew,itemOpen,itemSave,itemSaveAs,itemSet,itemPrint,itemExit,
    itemAutomatic,itemFont,itemaStatusBar,itemaCheckHelp,itemAbout;

    public JTabbedPaneDemo(){
        setVisible(true);
        setSize(400,400);
        setTitle("选项卡面板例子");
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        instantiationObject();
        keyWord();
        addFunction();
        jp1.setBackground(Color.CYAN);
        jp2.setBackground(Color.RED);
        jp3.setBackground(Color.BLUE);

    }

    /**
     * 实例化对象方法
     * */
    public void instantiationObject(){
        jp1 = new JPanel();
        jp2 = new JPanel();
        jp3 = new JPanel();
        tabbedPane = new JTabbedPane(JTabbedPane.BOTTOM);
        menuBar = new JMenuBar();
        filemenu = new JMenu("文件（F）");
        editMenu = new JMenu("编辑（E）");
        formatMenu = new JMenu("格式（o）");
        checkMenu = new JMenu("查看（V）");
        helpmenu = new JMenu("帮助（H）");

        itemNew = new JMenuItem("新建文件");
        itemOpen = new JMenuItem("打开");
        itemSave = new JMenuItem("保存");
        itemSaveAs = new JMenuItem("另存为");
        itemSet = new JMenuItem("页面设置");
        itemPrint = new JMenuItem("打印");
        itemExit = new  JMenuItem("退出");

        itemAutomatic = new JMenuItem("自动转行");
        itemFont = new JMenuItem("字体");

        itemaStatusBar = new JMenuItem("状态栏");

        itemaCheckHelp = new JMenuItem("查看帮助");
        itemAbout = new JMenuItem("关于记事本");

    }

    /**
     * 添加组件方法
     * */
    public void addFunction(){
        setJMenuBar(menuBar);

        menuBar.add(filemenu);
        menuBar.add(editMenu);
        menuBar.add(formatMenu);
        menuBar.add(checkMenu);
        menuBar.add(helpmenu);

        filemenu.add(itemNew);
        filemenu.add(itemOpen);
        filemenu.add(itemSave);
        filemenu.add(itemSaveAs);
        filemenu.addSeparator();
        filemenu.add(itemSet);
        filemenu.add(itemPrint);
        filemenu.add(itemExit);

        formatMenu.add(itemAutomatic);
        formatMenu.add(itemFont);

        checkMenu.add(itemaStatusBar);

        helpmenu.add(itemaCheckHelp);
        helpmenu.add(itemAbout);

        tabbedPane.add("联系人", jp1);
        tabbedPane.add("发现", jp2);
        tabbedPane.add("我", jp3);
        add(tabbedPane);
    }

    /**
     * 添加关键字的方法
     * */
    public void keyWord(){
        itemNew.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));
        itemOpen.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));
        itemSave.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));
        itemSaveAs.setAccelerator(KeyStroke.getKeyStroke(‘A‘));
        itemSet.setAccelerator(KeyStroke.getKeyStroke(‘U‘));
        itemPrint.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_P,InputEvent.CTRL_MASK));
        itemExit.setAccelerator(KeyStroke.getKeyStroke(‘X‘));

        itemAutomatic.setAccelerator(KeyStroke.getKeyStroke(‘W‘));
        itemFont.setAccelerator(KeyStroke.getKeyStroke(‘F‘));

        itemaStatusBar.setAccelerator(KeyStroke.getKeyStroke(‘S‘));

        itemaCheckHelp.setAccelerator(KeyStroke.getKeyStroke(‘H‘));
        itemAbout.setAccelerator(KeyStroke.getKeyStroke(‘A‘));
    }

}

效果图：