WIN记事本，JAVA源码，import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.io.*;
public class Notepad extends JFrame {
// 系统组件声明
private JMenuBar menuBar = new JMenuBar();
private JEditorPane content = new JEditorPane();
private JScrollPane scroll = new JScrollPane(content);
private JFileChooser filechooser = new JFileChooser() ;
private BorderLayout bord = new BorderLayout();
private JLabel statusBar = new JLabel();
private JPanel pane = new JPanel();
private File file = null;
