菜单.txt

此文件为自己自学JAVA时调试通过的JAVA程序范例

import javax.swing.*;
import java.awt.*;

class FrameTest extends JFrame
{
 public FrameTest()
 {
  super("窗口标题");
  setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  setVisible(true);
  setSize(240,90);
 }
}

class PanelTest extends FrameTest
{
 JPanel PanelObj;
 public PanelTest()
 {
  PanelObj=new JPanel();
  getContentPane().add(PanelObj);
 }
}

class MenuTest extends PanelTest
{
 JMenuBar MenuBarObj;
 JMenu MenuFile,MenuEdit,MenuHelp;
 JMenuItem MenuNew,MenuOpen,MenuSave;
 JMenuItem MenuCut,MenuCopy,MenuPast;
 public MenuTest()
 {
  MenuBarObj=new JMenuBar();
  setJMenuBar(MenuBarObj);
  MenuFile=new JMenu("文件(F)");
  MenuEdit=new JMenu("编辑(E)");
  MenuHelp=new JMenu("帮助(H)");
  MenuBarObj.add(MenuFile);
  MenuBarObj.add(MenuEdit);
  MenuBarObj.add(MenuHelp);
  MenuNew=new JMenuItem("新建(N)");
  MenuOpen=new JMenuItem("打开(O)");
  MenuSave=new JMenuItem("保存(S)");
  MenuFile.add(MenuNew);
  MenuFile.add(MenuOpen);
  MenuFile.add(MenuSave);
  MenuCut=new JMenuItem("剪切(T)");
  MenuCopy=new JMenuItem("复制(C)");
  MenuPast=new JMenuItem("粘贴(P)");
  MenuEdit.add(MenuCut);
  MenuEdit.add(MenuCopy);
  MenuEdit.add(MenuPast);
 }
}
 
class Frame15
{
 public static void main(String[] args)
 {
  new MenuTest();
 }
}