demomenuframe.java

java绘图 java awt 经典绘图的例子,对于初学awt模块的人非常有帮助.

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package swing;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.InputEvent;
import java.awt.event.KeyEvent;
import javax.swing.ButtonGroup;
import javax.swing.ImageIcon;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.KeyStroke;

/**
 *
 * @author zhaolin
 */
public class DemoMenuFrame extends JFrame{
    public DemoMenuFrame(){
        JMenuBar menuBar = new JMenuBar();
        this.getContentPane().add(menuBar,"North");
        
        JMenu fileMenu = new JMenu("File");
        fileMenu.setMnemonic('F');
        JMenu editMenu = new JMenu("编辑");
        JMenu helpMenu = new JMenu("帮助");
        
        JMenu openMenu = new JMenu("打开");
        
        JMenuItem textMenuItem = new JMenuItem("text file",'t');
        textMenuItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));
        textMenuItem.addActionListener(new ActionListener(){

            public void actionPerformed(ActionEvent e) {
                System.out.println("new Text File");
            }
            
        });
        JMenuItem javaMenuItem = new JMenuItem("java文件");
        
        openMenu.add(textMenuItem);
        openMenu.add(javaMenuItem);
        
        JMenuItem saveMenuItem = new JMenuItem("保存",new ImageIcon("c:\\save.jpg"));
        JMenuItem exitMenuItem = new JMenuItem("退出");
        JMenuItem copyMenuItem = new JMenuItem("复制");
        JMenuItem pasteMenuItem = new JMenuItem("粘贴");
        JMenuItem cutMenuItem = new JMenuItem("剪切");
        JCheckBoxMenuItem boldMenuItem = new JCheckBoxMenuItem("粗体");
        JCheckBoxMenuItem italicMenuItem = new JCheckBoxMenuItem("斜体");
        
        JRadioButtonMenuItem font10MenuItem = new JRadioButtonMenuItem("10号字体");
        JRadioButtonMenuItem font12MenuItem = new JRadioButtonMenuItem("12号字体");
        JRadioButtonMenuItem font14MenuItem = new JRadioButtonMenuItem("14号字体");
        
        ButtonGroup bg = new ButtonGroup();
        bg.add(font10MenuItem);
        bg.add(font12MenuItem);
        bg.add(font14MenuItem);
        
        JMenuItem aboutMenuItem = new JMenuItem("关于");
        
        
        exitMenuItem.addActionListener(new ActionListener(){

            public void actionPerformed(ActionEvent e) {
                System.exit(0);
            }
        
        });
        fileMenu.add(openMenu);
        fileMenu.add(saveMenuItem);
        fileMenu.addSeparator();
        fileMenu.add(exitMenuItem);
        
        editMenu.add(copyMenuItem);
        editMenu.add(pasteMenuItem);
        editMenu.add(cutMenuItem);
        editMenu.addSeparator();
        editMenu.add(boldMenuItem);
        editMenu.add(italicMenuItem);
        editMenu.addSeparator();
        editMenu.add(font10MenuItem);
        editMenu.add(font12MenuItem);
        editMenu.add(font14MenuItem);
        
                
        helpMenu.add(aboutMenuItem);
        
        menuBar.add(fileMenu);
        menuBar.add(editMenu);
        menuBar.add(helpMenu);
        this.pack();
        this.setVisible(true);
        
    }
    
    public static void main(String[] args) {
        new DemoMenuFrame();
    }

}