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这是我将myFile.pdf文件打开到第 4 页的代码：

public static void main(String[] args) {
    final String filePath = "myFile.pdf";

    // build a component controller
    SwingController controller = new SwingController();

    PropertiesManager properties = new PropertiesManager(System.getProperties(),
        ResourceBundle.getBundle(PropertiesManager.DEFAULT_MESSAGE_BUNDLE));

    properties.setBoolean(PropertiesManager.PROPERTY_SHOW_UTILITY_PRINT, false); 

    SwingViewBuilder factory = new SwingViewBuilder(controller, properties);

    JPanel viewerComponentPanel = factory.buildViewerPanel();

    // add interactive mouse link annotation support via callback
    controller.getDocumentViewController().setAnnotationCallback(
        new MyAnnotationCallback(controller.getDocumentViewController()));

    //controller.getDocumentViewController().setDestinationTarget(controller.getDocument().getCatalog().getDestinations().);

    JFrame applicationFrame = new JFrame();
    applicationFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    applicationFrame.setTitle("Test ICEPdf");
    applicationFrame.getContentPane().add(viewerComponentPanel);

    // Now that the GUI is all in place, we can try openning a PDF
    controller.openDocument(filePath);
    controller.showPage(3);
    // show the component
    applicationFrame.pack();
    applicationFrame.setVisible(true); }

但是，我想在不使用的情况下导航到文档中showPage()，例如使用 TOC 的锚点导航。因为如果我将内容添加到我的 PDF 文件中，我不想更改代码，因为页数会发生变化。

有解决办法吗？

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