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📄 menutest.java

📁 针对越来越多的用户喜欢JAVA
💻 JAVA
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import java.awt.*;
import java.awt.event.*;
public class MenuTest
{
  public static void main(String[] args)
  {
    MenuFrame form = new MenuFrame();
    form.setVisible(true);
  }
}
class MenuFrame extends Frame implements ActionListener
{
  Label lb=new Label("here comes command");
  MenuBar m_MenuBar=new MenuBar();
  Menu menuFile = new Menu("File");
  MenuItem f1 = new MenuItem("Open"); 
  MenuItem f2 = new MenuItem("Close");
  MenuItem f3 = new MenuItem("Exit"); 
  Menu menuEdit = new Menu("Edit");   
  MenuItem e1 = new MenuItem("Copy"); 
  MenuItem e2 = new MenuItem("Cut");  
  MenuItem e3 = new MenuItem("Paste");
  MenuFrame()
  {
     super("Menu Frame");
     setLayout(new FlowLayout());
     m_MenuBar.add(menuFile);
     menuFile.add(f1);
     f1.addActionListener(this);
     menuFile.add(f2);
     f2.addActionListener(this);
     menuFile.add(f3); 
     f3.addActionListener(this);
     m_MenuBar.add(menuEdit);
     menuEdit.add(e1);
     e1.addActionListener(this);
     menuEdit.add(e2);  
     e2.addActionListener(this);
     menuEdit.add(e3);
     e3.addActionListener(this);
     setMenuBar(m_MenuBar);
     add(lb);
     setSize(300,300);
     addWindowListener(new Tuichu());
  }
  public void actionPerformed(ActionEvent e)
  {
     lb.setText(e.getActionCommand());
  }
}
class Tuichu extends WindowAdapter
{
  public void windowClosing(WindowEvent e)
  {
    System.exit(0);
  }
}

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