菜单MenuBar Menu MenuItem调用Frame对象的setMenuBar()方法,设置菜单,参数:MenuBar对象import java.awt.FlowLayout;import java.awt.Frame;import java.awt.Menu;im ...
菜单MenuBar Menu MenuItem
调用Frame对象的setMenuBar()方法,设置菜单,参数:MenuBar对象
import java.awt.FlowLayout;import java.awt.Frame;import java.awt.Menu;import java.awt.MenuBar;import java.awt.MenuItem;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;public class MenuBarDemo { private Frame frame; private MenuBar menuBar; private Menu menu; private Menu subMenu; private MenuItem menuItem; public MenuBarDemo() { init(); addEvents(); } public void init() { frame = new Frame("菜单测试"); frame.setBounds(300, 200, 500, 400); frame.setLayout(new FlowLayout()); // 菜单栏 menuBar = new MenuBar(); // 菜单 menu = new Menu("文件"); // 菜单项 menuItem = new MenuItem("退出"); // 菜单添加菜单项 menu.add(menuItem); // 菜单栏添加菜单 menuBar.add(menu); frame.setMenuBar(menuBar); frame.setVisible(true); } public void addEvents(){ frame.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); //菜单点击 menuItem.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { System.exit(0); } }); } /** * @param args */ public static void main(String[] args) { new MenuBarDemo(); }}
原标题:[javaSE] GUI(菜单)
关键词:JAVA
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