public class Test{
public static void main(String[] args) { UIManager.put("MenuItem.font", new Font("宋体",Font.BOLD | Font.ITALIC, 12));//放在界面初始化之前
JFrame frame = new JFrame();
JMenuBar bar = new JMenuBar();
JMenu menu = new JMenu("Test");
bar.add(menu);
menu.add(new AbstractAction("我们"){
public void actionPerformed(ActionEvent arg0) {