第十三周学习总结

简单记事本

实验代码

package yuan;
import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.File;
import static javax.swing.KeyStroke.*;

public class Jishiben {

    public static void main(String[] args) {
        JFrame frame;
        JMenuBar bar;
        JMenu fileMenu,editMenu;
        JMenuItem newItem,openItem,saveItem,closeItem;
        JScrollPane scroll;
        JTextArea area;
        JFileChooser chooser;
        File file;
    }
        public Jishiben(){
            JFrame frame = new JFrame("记事本");
            JMenuBar bar = new JMenuBar();
            JMenu fileMenu = new JMenu("文件");
            JMenu editMenu = new JMenu("编辑");
            Icon newIcon = null;
            JMenuItem newItem = new JMenuItem("新建(N)",newIcon);
            Icon openIcon = null;
            JMenuItem openItem = new JMenuItem("打开(O)",openIcon);
            Icon saveIcon = null;
            JMenuItem saveItem = new JMenuItem("另存为(A)",saveIcon);
            Icon closeIcon = null;
            JMenuItem closeItem = new JMenuItem("关闭(X)",closeIcon);
            JTextArea area = new JTextArea();
   

            newItem.setMnemonic(KeyEvent.VK_N);
            openItem.setMnemonic(KeyEvent.VK_O);
            saveItem.setMnemonic(KeyEvent.VK_A);
            closeItem.setMnemonic(KeyEvent.VK_X);

            newItem.setAccelerator(KeyStroke.getKeyStroke((char) KeyEvent.CTRL_MASK));

            fileMenu.add(newItem);
            fileMenu.add(openItem);
            fileMenu.add(saveItem);
            fileMenu.add(closeItem);


            bar.add(fileMenu);
            bar.add(editMenu);

            frame.addWindowListener(new WindowAdapter() {
              public void windowClosing(WindowEvent arg0){
                  System.exit(1);
              }});
             frame.setJMenuBar(bar);
             frame.add(bar);
             frame.setVisible(true);
             frame.setSize(300,180);
             frame.setLocation(300,200);
        
    }

}