本文旨在提供開發人員了解如何在電子表格轉換成PDF文件時插入PDF書簽。Aspose.Cells允許您在運行時添加你所需要的標簽。PDF書簽可以大大地改善長PDF文檔的適航性。當添加書簽鏈接到PDF文檔的其他部分時，你可以準確地控制你所需要的視覺。你不只是鏈接到頁面等。本文我們將通過Aspose.Cells API來添加PDF書簽。

[Java]

//Instantiate a new wor30pxkbook.
Workbook workbook = new Workbook();
//Get the worksheets in the workbook.
WorksheetCollection worksheets = workbook.getWorksheets();
//Add a sheet to the workbook.
worksheets.add("1");
//Add 2nd sheet to the workbook.
worksheets.add("2");
//Add the third sheet.
worksheets.add("3");
//Get cells in different worksheets.
Cell cellInPage1 = worksheets.get(0).getCells().get("A1");
Cell cellInPage2 = worksheets.get(1).getCells().get("A1");
Cell cellInPage3 = worksheets.get(2).getCells().get("A1");

//Add a value to the A1 cell in the first sheet.
cellInPage1.setValue("a");
//Add a value to the A1 cell in the second sheet.
cellInPage2.setValue("b");
//Add a value to the A1 cell in the third sheet.
cellInPage3.setValue("c");

//Create the PdfBookmark entry object.
PdfBookmarkEntry pbeRoot = new PdfBookmarkEntry();
//Set its text.
pbeRoot.setText("root");
//Set its destination source page.
pbeRoot.setDestination(cellInPage1);
//Set the bookmark collapsed.
pbeRoot.setOpen(false);
//Add a new PdfBookmark entry object.
PdfBookmarkEntry subPbe1 = new PdfBookmarkEntry();
//Set its text.
subPbe1.setText("1");
//Set its destination source page.
subPbe1.setDestination(cellInPage2);

//Add another PdfBookmark entry object.
PdfBookmarkEntry subPbe2 = new PdfBookmarkEntry();
//Set its text.
subPbe2.setText("2");
//Set its destination source page.
subPbe2.setDestination(cellInPage3);
//Create an array list.
ArrayList subEntryList = new ArrayList();
//Add the entry objects to it.
subEntryList.add(subPbe1);
subEntryList.add(subPbe2);
pbeRoot.setSubEntry(subEntryList);

//Set the pdf bookmarks, you need to specify the root object here.
workbook.getSaveOptions().setPdfBookmark(pbeRoot);

//Save the pdf file.
workbook.save("d:\\files\\PdfBookmarks_test.pdf", FileFormatType.PDF);

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