请高手指点下,这个程序怎么把菜单栏添加到界面上

yk32167 2008-04-10 04:01:52

请高手指点下,这个程序怎么把菜单栏添加到界面上啊?
本人分数有限,望大家见谅...

import java.awt.*;

import java.awt.event.*;

 public class Gi

  {

      public static void main(String args[])

       {      jiemian jm=new jiemian();

                   jm.pack();

         }

   }

 /*class menubar extends Frame

   {  

      PopupMenu pop;//定义一个弹出菜单

      public void menubar()

     {

      Menu woods=new Menu("Files");

      MenuItem m1=new MenuItem("Edit");

      woods.add(m1);

      woods.addSeparator();

      woods.add("Save");

      woods.add("Load");

      woods.add("Exit");

      

      Menu woods1=new Menu("veiwer");

      woods1.add("v");

      Menu woods2=new Menu("Tool");

      Menu woods3=new Menu("Help");

      

      MenuBar mb=new MenuBar();

      mb.add(woods);

      mb.add(woods1);

      mb.add(woods2);

      mb.add(woods3);



      pop=new PopupMenu("woods1");

      pop.add("v");

      }

    }*/

      



 class jiemian extends Frame implements ActionListener

{    

     TextArea ta;

     TextField t1,t2;

     Label b1,b2,b3;

     Choice ch;

     Button bn;

     Panel panel1,panel2;

     MenuBar mb=new MenuBar();

     PopupMenu pop;//定义一个弹出菜单

      public void menubar()

     {

      Menu woods=new Menu("Files");

      MenuItem m1=new MenuItem("Edit");

      woods.add(m1);

      woods.addSeparator();

      woods.add("Save");

      woods.add("Load");

      woods.add("Exit");

      

      Menu woods1=new Menu("veiwer");

      woods1.add("v");

      Menu woods2=new Menu("Tool");

      Menu woods3=new Menu("Help");

      

      mb.add(woods);

      mb.add(woods1);

      mb.add(woods2);

      mb.add(woods3);



      pop=new PopupMenu("woods1");

      pop.add("v");

      }

     jiemian()

     {   

       super("ERP系统");

       setSize(1000,700);

       GridBagConstraints gbag=new GridBagConstraints();

       setLayout(new GridBagLayout());

       gbag.fill=GridBagConstraints.NONE;

       gbag.anchor=GridBagConstraints.WEST;

       setVisible(true);

             

       ta=new TextArea();

       bn=new Button("确定");

       t1=new TextField(30);

       t2=new TextField(30);

       b1=new Label("请选择订购的部品名");

       b2=new Label("请输入订购的数量");

       b3=new Label("请输入到货日期");

       ch=new Choice();

       

       gbag.gridx=0;

       gbag.gridy=0;

       gbag.gridwidth=1;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(b1,gbag);

       add(b1);

       gbag.gridx=1;

       gbag.gridy=0;

       gbag.gridwidth=1;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(ch,gbag);

          ch.addItem("GZ 60621/721");

          ch.addItem("ZU/LK 60431");

          ch.addItem("GZ 60621/721-BL");

       add(ch);

       

       gbag.gridx=0;

       gbag.gridy=2;

       gbag.gridwidth=1;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(b2,gbag);

       add(b2);

       gbag.gridx=1;

       gbag.gridy=2;

       gbag.gridwidth=GridBagConstraints.REMAINDER;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(t1,gbag);

       add(t1);

       

       gbag.gridx=0;

       gbag.gridy=3;

       gbag.gridwidth=1;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(b3,gbag);

       add(b3);

       gbag.gridx=1;

       gbag.gridy=3;

       gbag.gridwidth=GridBagConstraints.REMAINDER;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(t2,gbag);

       add(t2);

       t2.addActionListener(this);

       

       gbag.gridx=0;

       gbag.gridy=4;

       gbag.gridwidth=GridBagConstraints.REMAINDER;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(ta,gbag);

       ta.setBounds(0,0,100,200);

       ta.setBackground(Color.green);

       add(ta);

       ta.setEditable(false);

       

       gbag.gridx=1;

       gbag.gridy=5;

       gbag.gridwidth=1;

       gbag.gridheight=1;

       ((GridBagLayout)getLayout()).setConstraints(bn,gbag);

       add(bn);

       bn.addActionListener(this);

       setMenuBar(mb);

       //add(mb);

       /*add("Center",panel1);

       add("South",panel2);*/

  

       addWindowListener(new WindowAdapter()

        {

          public void windowClosing(WindowEvent e)

            {

                setVisible(false);

                dispose();//释放页面内存

                System.exit(0);

               }

          });

      }

         public void actionPerformed(ActionEvent e)

          {if(e.getSource()==bn) ta.setText(ch.getSelectedItem()+t1.getText()+t2.getText());}

}