MenuFrame设计

import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
public class MenuFrame extends JFrame
{
JPanel contentPane;
JMenuBar mnuNotepad = new JMenuBar();
JMenu mnuEdit = new JMenu();
JMenu mnuQuery = new JMenu();
JMenu mnuFormat = new JMenu();
JMenu mnuOperate = new JMenu();
JMenuItem mnuAdd = new JMenuItem();
JMenuItem mnuDelete = new JMenuItem();
JMenuItem mnuUpdate = new JMenuItem();
JMenuItem mnuScanner = new JMenuItem();
JMenuItem mnuDeposit = new JMenuItem();
JMenuItem mnuCredit = new JMenuItem();
JMenuItem mnuSave = new JMenuItem();
JMenuItem QueryInformation = new JMenuItem();
JMenuItem mnuRepayment = new JMenuItem();

JMenuItem mnuExit = new JMenuItem();
JMenu mnuHelp = new JMenu();
public MenuFrame() {
try {
setDefaultCloseOperation(EXIT_ON_CLOSE);
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
private void jbInit() throws Exception {
contentPane = (JPanel) getContentPane();
contentPane.setLayout(null);
this.setJMenuBar(mnuNotepad);
setSize(new Dimension(400, 300));
setTitle("银行管理系统");

mnuEdit.setText("编辑");
mnuAdd.setText("添加账户");
mnuDelete.setText("删除账户");
mnuUpdate.setText("修改账户");
mnuSave.setText("保存");

mnuFormat.setText("格式");

mnuQuery.setText("查询");
QueryInformation.setText("查询账户信息");
mnuOperate.setText("操作");
mnuScanner.setText("浏览");
mnuDeposit.setText("存款");
mnuCredit.setText("取款");
mnuRepayment.setText("转账");
mnuExit.setText("退出");
mnuHelp.setText("帮助");
mnuNotepad.add(mnuQuery);
mnuNotepad.add(mnuEdit);
mnuNotepad.add(mnuOperate);
mnuNotepad.add(mnuFormat);
mnuNotepad.add(mnuHelp);
mnuQuery.add(QueryInformation);
mnuEdit.add(mnuAdd);
mnuEdit.add(mnuDelete);
mnuEdit.add(mnuUpdate);
mnuEdit.add(mnuSave);

mnuOperate.add(mnuDeposit);
mnuOperate.add(mnuCredit);
mnuOperate.add(mnuRepayment);
mnuOperate.add(mnuScanner);

mnuEdit.add(mnuExit);
setVisible(true);
}
public static void main(String[] args)
{
new MenuFrame();
}
}

运行效果：