JavaFX设置任务栏图标

直接上代码：

package net.cnki;

/**
 * @author SongBin on 2019/3/21.
 */
import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.EventHandler;
import javafx.fxml.FXMLLoader;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.stage.Stage;
import javafx.stage.WindowEvent;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.image.BufferedImage;

public class MainApp extends Application {
    private TrayIcon trayIcon;
    public static void main(String[] args) {
        launch(args);
    }

    public void start(Stage primaryStage) throws Exception {
        //添加系统托盘图标.
        enableTray(primaryStage);
        Parent root = FXMLLoader.load(getClass().getClassLoader().getResource("Main.fxml"));
        Scene scene = new Scene(root, 600, 500);
        scene.getStylesheets().add(getClass().getClassLoader().getResource("application.css").toExternalForm());

        primaryStage.setTitle("知网抢面");
        primaryStage.setScene(scene);
        //设置窗口的图标.
        javafx.scene.image.Image image1 = new javafx.scene.image.Image(getClass().getClassLoader().getResourceAsStream("static/images/33.png"));
        primaryStage.getIcons().add(image1);
        primaryStage.setOnCloseRequest(new EventHandler<WindowEvent>() {
            @Override
            public void handle(WindowEvent arg0) {
                primaryStage.hide();
            }
        });
//        primaryStage.show();
    }
    //右小角,最小化.
    private void enableTray(final Stage stage) {
        PopupMenu popupMenu = new PopupMenu();
        java.awt.MenuItem openItem = new java.awt.MenuItem("显示");
        java.awt.MenuItem hideItem = new java.awt.MenuItem("最小化");
        java.awt.MenuItem quitItem = new java.awt.MenuItem("退出");

        ActionListener acl = new ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent e) {
                java.awt.MenuItem item = (java.awt.MenuItem) e.getSource();
                Platform.setImplicitExit(false); //多次使用显示和隐藏设置false

                if (item.getLabel().equals("退出")) {
                    SystemTray.getSystemTray().remove(trayIcon);
                    Platform.exit();
                    return;
                }
                if (item.getLabel().equals("显示")) {
                    Platform.runLater(new Runnable() {
                        @Override
                        public void run() {
                            stage.show();
                        }
                    });
                }
                if (item.getLabel().equals("最小化")) {
                    Platform.runLater(new Runnable() {
                        @Override
                        public void run() {
                            stage.hide();
                        }
                    });
                }

            }

        };
        //双击事件方法
        MouseListener sj = new MouseListener() {
            public void mouseReleased(MouseEvent e) {
            }
            public void mousePressed(MouseEvent e) {
            }
            public void mouseExited(MouseEvent e) {
            }
            public void mouseEntered(MouseEvent e) {
            }
            public void mouseClicked(MouseEvent e) {
                switch (e.getButton()) {
                    case MouseEvent.BUTTON1: {
                        System.out.println("托盘图标被鼠标左键被点击");
                        break;
                    }
                    case MouseEvent.BUTTON2: {
                        System.out.println("托盘图标被鼠标中键被点击");
                        break;
                    }
                    case MouseEvent.BUTTON3: {
                        System.out.println("托盘图标被鼠标右键被点击");
                        break;
                    }
                    default: {
                        break;
                    }
                }
                Platform.setImplicitExit(false); //多次使用显示和隐藏设置false
                if (e.getClickCount() == 2) {
                    if (stage.isShowing()) {
                        Platform.runLater(new Runnable() {
                            @Override
                            public void run() {
                                stage.hide();
                            }
                        });
                    }else{
                        Platform.runLater(new Runnable() {
                            @Override
                            public void run() {
                                stage.show();
                            }
                        });
                    }
                }
            }
        };
        openItem.addActionListener(acl);
        quitItem.addActionListener(acl);
        hideItem.addActionListener(acl);
        popupMenu.add(openItem);
        popupMenu.add(hideItem);
        popupMenu.add(quitItem);
        try {
            if (SystemTray.isSupported()) {
                SystemTray tray = SystemTray.getSystemTray();
                BufferedImage image = ImageIO.read(getClass().getClassLoader().getResourceAsStream("static/images/33.png"));
                trayIcon = new TrayIcon(image, "自动备份工具", popupMenu);
                // 托盘图标自适应尺寸
                trayIcon.setImageAutoSize(true);
                trayIcon.setToolTip("自动备份工具");
                tray.add(trayIcon);
                trayIcon.addMouseListener(sj);
            }else{
                System.out.println("当前系统不支持系统托盘");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

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