Java GUI【记事本】

一.记事本

import java.awt.*;
import javax.swing.*;
import java.awt.event.*; //菜单包

public class Jar{
    public static void main(String[] args) {
        Gui win = new Gui();
        

        
    }
}
class Gui extends JFrame{
    JMenuBar cd;  //菜单条
    JMenu cd1,cd2,cd3,cd4,cd5; //菜单
    JMenuItem cdx2,cdx3,cdx4,cdx5,cdx6,cdx7;
    JMenu ej;  //二级菜单 
    JMenuItem ej1,ej2; //
    JToolBar gjt;  //工具条
    JButton bt1,bt2,bt3,bt4,bt5,bt6;
    JTextArea  wby;//文本域
    JScrollPane gdt; //滚动条
    Gui(){
        gjt = new JToolBar();
        bt1 = new JButton(new ImageIcon("1.png"));
        bt1.setToolTipText("新建");
        bt2 = new JButton(new ImageIcon("1.png"));
        bt2.setToolTipText("打开");
        bt3 = new JButton(new ImageIcon("1.png"));
        bt3.setToolTipText("保存");
        bt4 = new JButton(new ImageIcon("1.png"));
        bt4.setToolTipText("剪切");
        bt5 = new JButton(new ImageIcon("1.png"));
        bt5.setToolTipText("复制");
        bt6 = new JButton(new ImageIcon("1.png"));
        bt6.setToolTipText("粘贴");
      
        cd = new JMenuBar();
        cd1 = new JMenu("文件(F)");
        cd1.setMnemonic('F'); //
        cd2 = new JMenu("文件(F)");
        cd2.setMnemonic('F');
        cd3 = new JMenu("文件(F)");
        cd3.setMnemonic('F');
        cd4 = new JMenu("文件(F)");
        cd4.setMnemonic('F');
        cd5 = new JMenu("文件(F)");
        cd5.setMnemonic('F');
        
        ej = new JMenu("新建");
        ej1 = new JMenuItem("文件");//可以添加图
        ej2 = new JMenuItem("模板");

        cdx2 = new JMenuItem("打开");
        cdx3 = new JMenuItem("保存(s)");
        cdx3.setMnemonic('S');
        cdx4 = new JMenuItem("另存为");
        cdx5 = new JMenuItem("页面设置");
        cdx6 = new JMenuItem("打印");
        cdx7 = new JMenuItem("退出");

        wby = new JTextArea();
        gdt = new JScrollPane(wby);


        gjt.add(bt1); gjt.add(bt2); gjt.add(bt3);
        gjt.add(bt4); gjt.add(bt5); gjt.add(bt6);

        ej.add(ej1);  ej.add(ej2);

        cd1.add(ej); cd1.add(cdx2); cd1.add(cdx3); cd1.add(cdx4);
        cd1.addSeparator();
        cd1.add(cdx5); cd1.add(cdx6);
        cd1.addSeparator();
        cd1.add(cdx7);

        cd.add(cd1); cd.add(cd2); cd.add(cd3);
        cd.add(cd4);  cd.add(cd5);

        this.setJMenuBar(cd);
        this.add(gjt,BorderLayout.NORTH);
        this.add(gdt);



       //窗口设置
        this.setTitle("记事本");
        this.setSize(400,400);
        this.setLocation(100,100);
        this.setVisible(true);
        this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}