JPopupMenu_1

package com.han; import java.awt.BorderLayout; import java.awt.Container; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuItem; import javax.swing.JPopupMenu; public class JPopupMenu_1 extends JFrame { /** * */ private static final long serialVersionUID = 2924353502687938030L; public JPopupMenu_1() { // TODO Auto-generated constructor stub final JPopupMenu popupMenu = new JPopupMenu(); JMenuItem menuItem1 = new JMenuItem("剪切"); JMenuItem menuItem2 = new JMenuItem("复制"); JMenuItem menuItem3 = new JMenuItem("粘贴"); JMenu menuSub = new JMenu ("编辑"); JMenuItem menuSubItem1 = new JMenuItem("只读"); JMenuItem menuSubItem2 = new JMenuItem("可写"); JMenu menuSubSub = new JMenu("字体"); menuSub.add(menuSubItem1); menuSub.add(menuSubItem2); menuSub.add(menuSubSub); JMenuItem menuSubSubItem1 = new JMenuItem("加粗"); JMenuItem menuSubSubItem2 = new JMenuItem("倾斜"); menuSubSub.add(menuSubSubItem1); menuSubSub.add(menuSubSubItem2); popupMenu.add(menuItem1); popupMenu.add(menuItem2); popupMenu.add(menuItem3); popupMenu.add(menuSub); JLabel label = new JLabel("请在这里单击鼠标右键！"); Container container = getContentPane(); container.add(label, BorderLayout.CENTER); // MouseAdapter (abstract class) is different from // the MouseListener (interface). The interest of the abstract class // is that we need not to override all the methods declared in // the corresponding interface. container.addMouseListener(new MouseAdapter() { public void mouseReleased(MouseEvent e) { if (e.isPopupTrigger()) { popupMenu.show(e.getComponent(), e.getX(), e.getY()); } } }); } /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub JPopupMenu_1 frame = new JPopupMenu_1(); frame.setTitle("创建弹出式菜单"); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setBounds(100, 100, 400, 300); } }