java开发_系统托盘

项目结构：

运行效果：

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下面是代码部分：

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/tray/src/com/b510/tray托盘/DesktopCapture.java

package com.b510.tray托盘;

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

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.UIManager;

public class DesktopCapture extends JFrame implements ActionListener {

    /**
     * 1.改变双击托盘截图为单击托盘截图 2.修复了托盘后无反应BUG 3.将放大镜提示框移至左上角和右上角
     */
    private static final long serialVersionUID = 1L;
    // JButton confirm;
    // BufferedImage desktopImg;
    MyTray tray;
    boolean iconed = false;

    public DesktopCapture() {
        super("EasyCapture");
        init();
        // 当点击"-"最小化按钮时，系统会最小化到托盘
        addWindowListener(new WindowAdapter() {
            public void windowIconified(WindowEvent e) {
                iconed = true;
                setVisible(false);
            }

            // 当点击"X"关闭窗口按钮时，会询问用户是否要最小化到托盘
            // 是，表示最小化到托盘，否，表示退出
            public void windowClosing(WindowEvent e) {
                int option = JOptionPane.showConfirmDialog(DesktopCapture.this,
                        "是否最小化到托盘?", "提示:", JOptionPane.YES_NO_OPTION);
                if (option == JOptionPane.YES_OPTION) {
                    iconed = true;
                    setVisible(false);
                } else {
                    System.exit(0);
                }
            }
        });
        pack();
        setSize(350, 230);
        setLocation(500, 300);
        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        setResizable(false);
        setVisible(true);
    }

    void init() {

        tray = new MyTray(DesktopCapture.this);
    }

    // 截图
    public void capture() {

    }

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
            DesktopCapture desk = new DesktopCapture();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

    @Override
    public void actionPerformed(ActionEvent e) {

    }

}

/tray/src/com/b510/tray托盘/MyTray.java

package com.b510.tray托盘;

import java.awt.AWTException;
import java.awt.Image;
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 javax.swing.ImageIcon;
import javax.swing.JFrame;

public class MyTray implements ActionListener, MouseListener {
    private Image icon;// 图标
    private TrayIcon trayIcon;
    private SystemTray systemTray;// 系统托盘

    private DesktopCapture frame; // 托盘所属主窗体
    private PopupMenu pop = new PopupMenu(); // 弹出菜单
    private MenuItem capture = new MenuItem("capture");
    private MenuItem show = new MenuItem("open");
    private MenuItem exit = new MenuItem("exit");

    public MyTray(DesktopCapture frame) {
        this.frame = frame;
        // icon = Toolkit.getDefaultToolkit().getImage("./images/xiaomai.png");
        icon = new ImageIcon(this.getClass().getClassLoader().getResource(
                "image/xiaomai.png")).getImage();

        if (SystemTray.isSupported()) {
            systemTray = SystemTray.getSystemTray();
            trayIcon = new TrayIcon(icon, "单击直接截图-EasyCapture", pop);
            pop.add(capture);
            pop.add(show);
            pop.add(exit);

            try {
                systemTray.add(trayIcon);
            } catch (AWTException e1) {
                e1.printStackTrace();
                trayIcon.addMouseListener(this);
            }
        }
        trayIcon.addMouseListener(this);
        show.addActionListener(this);
        exit.addActionListener(this);
        capture.addActionListener(this);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == show) {
            frame.iconed = false;
            frame.setVisible(true);
            frame.setExtendedState(JFrame.NORMAL);
        } else if (e.getSource() == capture) {
            frame.capture();
        } else {
            System.exit(0);
        }

    }

    // ����¼�
    @Override
    public void mouseClicked(MouseEvent e) {
        if (e.getClickCount() == 1 && e.getButton() != MouseEvent.BUTTON3) {
            frame.capture();
        }
    }

    @Override
    public void mouseEntered(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mouseExited(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mousePressed(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }

    @Override
    public void mouseReleased(MouseEvent arg0) {
        // TODO Auto-generated method stub

    }
}




               下载源码：
                https://files.cnblogs.com/hongten/tray.zip