Go语言视频零基础入门到精通

javalearner

import java.awt.*;  
import java.awt.event.*;  
import javax.swing.JMenu;  
import javax.swing.JMenuItem;  
import javax.swing.JCheckBoxMenuItem;  
import javax.swing.JRadioButtonMenuItem;  
import javax.swing.ButtonGroup;  
import javax.swing.JMenuBar;  
import javax.swing.KeyStroke;  
import javax.swing.ImageIcon;  

import java.awt.event.KeyEvent;  

import javax.swing.JPanel;  
import javax.swing.JTextArea;  
import javax.swing.JScrollPane;  
import javax.swing.JFrame;  
  
  
   
   
   

   
  

/* MenuLookDemo.java is a 1.4 application that requires images/middle.gif. */  

/*  
* This class exists solely to show you what menus look like.  
* It has no menu-related event handling.  
*/  
public class MenuLookDemo {  
   JTextArea output;  
   JScrollPane scrollPane;  

   public JMenuBar createMenuBar() {  
     JMenuBar menuBar;  
     JMenu menu, submenu;  
     JMenuItem menuItem;  
     JRadioButtonMenuItem rbMenuItem;  
     JCheckBoxMenuItem cbMenuItem;  

     //创建菜单条  
     menuBar = new JMenuBar();  

    //第一个菜单  
    menu = new JMenu("A Menu");  
    menu.setMnemonic(KeyEvent.VK_A);//设置热键  
    menu.getAccessibleContext().setAccessibleDescription("The only menu in this program that has menu items");  
    menuBar.add(menu);  

    //a group of JMenuItems  
    menuItem = new JMenuItem("A text-only menu item", KeyEvent.VK_T);  
    //menuItem.setMnemonic(KeyEvent.VK_T); //used constructor instead  
    //以下语句设置加速键  
    menuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_1, ActionEvent.ALT_MASK));  
    menuItem.getAccessibleContext().setAccessibleDescription("This doesn′t really do anything");  
    menu.add(menuItem);  

    ImageIcon icon = createImageIcon("images/middle.gif");  
    menuItem = new JMenuItem("Both text and icon", icon);  
    menuItem.setMnemonic(KeyEvent.VK_B);  
    menu.add(menuItem);  

     menuItem = new JMenuItem(icon);  
     menuItem.setMnemonic(KeyEvent.VK_D);  
     menu.add(menuItem);  

    //a group of radio button menu items  
    menu.addSeparator();  
    ButtonGroup group = new ButtonGroup();  

    rbMenuItem = new JRadioButtonMenuItem("A radio button menu item");  
    rbMenuItem.setSelected(true);  
    rbMenuItem.setMnemonic(KeyEvent.VK_R);  
    group.add(rbMenuItem);  
    menu.add(rbMenuItem);  

    rbMenuItem = new JRadioButtonMenuItem("Another one");  
    rbMenuItem.setMnemonic(KeyEvent.VK_O);  
    group.add(rbMenuItem);  
    menu.add(rbMenuItem);  

    //a group of check box menu items  
    menu.addSeparator();  
    cbMenuItem = new JCheckBoxMenuItem("A check box menu item");  
    cbMenuItem.setMnemonic(KeyEvent.VK_C);  
    menu.add(cbMenuItem);  

    cbMenuItem = new JCheckBoxMenuItem("Another one");  
    cbMenuItem.setMnemonic(KeyEvent.VK_H);  
    menu.add(cbMenuItem);  

    //a submenu  
    menu.addSeparator();  
    submenu = new JMenu("A submenu");  
    submenu.setMnemonic(KeyEvent.VK_S);  

    menuItem = new JMenuItem("An item in the submenu");  
    menuItem.setAccelerator(KeyStroke.getKeyStroke(  
    KeyEvent.VK_2, ActionEvent.ALT_MASK));  
    submenu.add(menuItem);  

   menuItem = new JMenuItem("Another item");  
   submenu.add(menuItem);  
   menu.add(submenu);  

   //Build second menu in the menu bar.  
   menu = new JMenu("Another Menu");  
   menu.setMnemonic(KeyEvent.VK_N);  
   menu.getAccessibleContext().setAccessibleDescription("This menu does nothing");  
   menuBar.add(menu);  
   return menuBar;  
   }  

   public Container createContentPane() {  
     //Create the content-pane-to-be.  
     JPanel contentPane = new JPanel(new BorderLayout());  
     contentPane.setOpaque(true);//设置透明度  

     //Create a scrolled text area.  
     output = new JTextArea(5, 30);  
     output.setEditable(false);  
     scrollPane = new JScrollPane(output);  

     //Add the text area to the content pane.  
     contentPane.add(scrollPane, BorderLayout.CENTER);  

     return contentPane;  
   }  

  /** Returns an ImageIcon, or null if the path was invalid. */  
   protected static ImageIcon createImageIcon(String path) {  
       java.net.URL imgURL = MenuLookDemo.class.getResource(path);  
       if (imgURL != null) {  
             return new ImageIcon(imgURL);  
       } else {  
             System.err.println("Couldn′t find file: " + path);  
       return null;  
       }  
   }  

public static void main(String[] args) {  
    //下面的语句可以生成一个十分漂亮的标题栏.  
    JFrame.setDefaultLookAndFeelDecorated(true);  

    //Create and set up the window.  
    JFrame frame = new JFrame("MenuLookDemo");  
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  

     //Create/set menu bar and content pane.  
     MenuLookDemo demo = new MenuLookDemo();  
     frame.setJMenuBar(demo.createMenuBar());  
     frame.setContentPane(demo.createContentPane());  

     //Display the window.  
     frame.setSize(450, 260);  
      frame.setVisible(true);  
   }  
}  

  

  
  
   
   

     
   

     
   
  
   

源码下载：http://file.javaxxz.com/2014/10/30/235524625.zip