javafx在MediaView中拖放音频或视频文件

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.StackPane;
import javafx.scene.media.Media;
import javafx.scene.media.MediaPlayer;
import javafx.scene.media.MediaView;
import javafx.stage.Stage;

public class MediaViewDragAndDropExample extends Application {

    @Override
    public void start(Stage primaryStage) {
        // 创建一个StackPane作为根容器
        StackPane root = new StackPane();

        // 创建一个MediaView组件
        MediaView mediaView = new MediaView();

        // 添加拖放事件监听器
        mediaView.setOnDragOver(event -> {
            if (event.getDragboard().hasFiles()) {
                event.acceptTransferModes(javafx.scene.input.TransferMode.COPY);
            }
            event.consume();
        });

        mediaView.setOnDragDropped(event -> {
            javafx.scene.input.Dragboard dragboard = event.getDragboard();
            boolean success = false;
            if (dragboard.hasFiles()) {
                String filePath = dragboard.getFiles().get(0).toURI().toString();
                Media media = new Media(filePath);
                MediaPlayer mediaPlayer = new MediaPlayer(media);
                mediaView.setMediaPlayer(mediaPlayer);
                mediaPlayer.play();
                success = true;
            }
            event.setDropCompleted(success);
            event.consume();
        });

        // 将MediaView添加到根容器
        root.getChildren().add(mediaView);

        // 创建一个Scene，并将根容器添加到Scene中
        Scene scene = new Scene(root, 800, 600);

        // 设置舞台的Scene，并显示舞台
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}