添加PDF书签
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本文提供了将电子表格转换为PDF时如何插入PDF书签的信息。
Aspose.Cells允许您在运行时添加书签。PDF书签可以极大地提高对长文档的导航。在向PDF文档添加书签链接时,您可以精确控制所需的确切视图,不仅限于链接到特定页。您可以通过定位目标页面来设置精确视图,然后创建书签。
添加PDF书签
请参考以下示例代码,了解如何添加PDF书签。该代码生成一个简单的工作簿,指定具有目标位置的PDF书签,并生成PDF文件。
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java | |
// The path to the documents directory. | |
String dataDir = Utils.getDataDir(AddPDFBookmarks.class); | |
// Instantiate a new workbook. | |
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. | |
PdfSaveOptions options = new PdfSaveOptions(); | |
options.setBookmark(pbeRoot); | |
// Save the PDF file. | |
workbook.save(dataDir, options); |