java SystemTray类的用法示例——显示一个系统图标，点击后跳转到指定的页面

本文链接：https://blog.youkuaiyun.com/tcbdbd/article/details/91051905

本文介绍了如何使用Java的SystemTray类创建一个系统托盘图标，并设置点击该图标后打开指定网页的详细步骤和示例代码。

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package com.oracle.core;

import java.awt.AWTException;
import java.awt.Desktop;
import java.awt.MenuItem;
import java.awt.PopupMenu;
import java.awt.SystemTray;
import java.awt.TrayIcon;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;

import javax.imageio.ImageIO;

public class SystemTray_study {

	public static void main(String[] args) throws IOException, AWTException {
		SystemTray ad=SystemTray.getSystemTray();
		Desktop desktop=Desktop.getDesktop();
//		创建一个图标
		InputStream in = SystemTray_study.class.getClassLoader().getResourceAsStream("qq.png");
		BufferedImage read = ImageIO.read(in);
		PopupMenu menu=new PopupMenu();
		MenuItem item=new MenuItem("苹果专区");
//	    点击后跳转到指定的网址	
		item.addActionListener(new ActionListener() {
			
			@Override
			public void actionPerformed(ActionEvent arg0) {
				try {
					desktop.browse(new URI("http://www.baidu.com"));
				} catch (IOException | URISyntaxException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				
			}
		});
		MenuItem item1=new MenuItem("华为专区");
		MenuItem item2=new MenuItem("小米专区");
		menu.add(item);
		menu.add(item1);
//		添加分割线
		menu.addSeparator();
		menu.add(item2);
		TrayIcon icon=new TrayIcon(read);
//		设置提示信息
		icon.setToolTip("京东618");
		icon.setPopupMenu(menu);
		icon.addMouseListener(new MouseListener() {
			
			@Override
			public void mouseReleased(MouseEvent e) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void mousePressed(MouseEvent e) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void mouseExited(MouseEvent e) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void mouseEntered(MouseEvent e) {
				// TODO Auto-generated method stub
				
			}
			
			@Override
			public void mouseClicked(MouseEvent e) {
				int button=e.getButton();
//				如果鼠标点击的是左键，就触发事件
				if(button==e.BUTTON1)
				{
				try {
					desktop.browse(new URI("http://www.jd.com"));
				} catch (IOException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				} catch (URISyntaxException e1) {
					// TODO Auto-generated catch block
					e1.printStackTrace();
				}
				}
			}
		});
		ad.add(icon);
//		添加阻塞，让图标一直有
		while(true)
		{
			
		}
	}
}