rightevent.java

jsp链接sqlserver2005的实例代码

package DataBase_Link;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPopupMenu;

public class RightEvent extends JPopupMenu{

	private JMenuItem menu_item1,menu_item2,menu_item3; 
	public RightEvent(){
		menu_item1 = new JMenuItem("退出系统");
		menu_item2 = new JMenuItem("使用帮助");
		menu_item3 = new JMenuItem("关于软件");
		add(menu_item1);
		addSeparator();      //加入分隔符
		add(menu_item2);
		add(menu_item3);
		menu_item1.addActionListener(new menu_event());
		menu_item2.addActionListener(new menu_event());
		menu_item3.addActionListener(new menu_event());
	}
	
	class menu_event  implements ActionListener{
		public void actionPerformed(ActionEvent event) {
			if(event.getSource() == menu_item1){
				int temp = JOptionPane.showConfirmDialog(null,"确定要退出吗?", "询问", JOptionPane.YES_NO_OPTION);
				if(temp == 0){
					System.exit(1);
				}
			}else if(event.getSource() == menu_item2){
				JOptionPane.showConfirmDialog(null,"您点击了使用帮助","提示",JOptionPane.INFORMATION_MESSAGE);
			}else if(event.getSource() == menu_item3){
				JOptionPane.showConfirmDialog(null,"您点击了关于软件","提示",JOptionPane.INFORMATION_MESSAGE);
			}
		}
	}
	
}