在JavaFx程序中查看PDF文档

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import org.apache.pdfbox.pdmodel.PDDocument;
import org.apache.pdfbox.rendering.PDFRenderer;

import java.awt.image.BufferedImage;
import java.io.File;

public class PDFViewer extends Application {

    private static final int WIDTH = 800;
    private static final int HEIGHT = 600;

    @Override
    public void start(Stage primaryStage) throws Exception {
        // Load PDF document
        File file = new File("path/to/pdf/document.pdf");
        PDDocument document = PDDocument.load(file);

        // Create PDF renderer
        PDFRenderer renderer = new PDFRenderer(document);

        // Render first page as image
        BufferedImage image = renderer.renderImage(0);

        // Create JavaFx image view
        javafx.scene.image.ImageView imageView = new javafx.scene.image.ImageView();
        imageView.setImage(SwingFXUtils.toFXImage(image, null));

        // Create root layout
        BorderPane root = new BorderPane();
        root.setCenter(imageView);

        // Create scene and stage
        Scene scene = new Scene(root, WIDTH, HEIGHT);
        primaryStage.setTitle("PDF Viewer");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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