package XDEDM_Notepad; import java.awt.*; //图形界面java库 import javax.swing.*; //GUI工具包 import java.awt.event.*; //AWT事件包 import java.io.*; //输入输出 import java.awt.datatransfer.*; //复制粘贴数据传输 public class XNotepad extends JFrame implements ActionListener,WindowListener { JTextArea XNarea = new JTexArea(); File fnameContainer; public XNotepad(){ Font fnt = new Font("SimSun",Font.PLAIN,15); //宋体,15号 Container con=getContentPane(); JMenuBar XNb = new JMenuBar(); //菜单 JMenu XNfile = new JMenu("文件"); JMenu XNedit = new JMenu("编辑"); JMenu XNhelp = new JMenu("帮助"); JMenu XNabout = new JMenu("关于"); } }