使用命名目的地添加PDF书签
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可能的使用场景
命名目标是PDF中特殊类型的书签或链接,不依赖于PDF页面。这意味着,如果PDF中添加或删除页面,书签可能会失效,但命名目标将保持完整。要创建命名目标,请设置 PdfBookmarkEntry.DestinationName 属性。
使用命名目标添加PDF书签
请参阅以下示例代码,其源Excel文件,和输出PDF文件。屏幕截图显示输出PDF内的书签和命名目标。屏幕截图还描述了如何查看命名目标以及您需要专业版本的Acrobat Reader。
示例代码
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java | |
//Load source Excel file | |
Workbook wb = new Workbook(srcDir + "samplePdfBookmarkEntry_DestinationName.xlsx"); | |
//Access first worksheet | |
Worksheet ws = wb.getWorksheets().get(0); | |
//Access cell C5 | |
Cell cell = ws.getCells().get("C5"); | |
//Create Bookmark and Destination for this cell | |
PdfBookmarkEntry bookmarkEntry = new PdfBookmarkEntry(); | |
bookmarkEntry.setText("Text"); | |
bookmarkEntry.setDestination(cell); | |
bookmarkEntry.setDestinationName("AsposeCells--" + cell.getName()); | |
//Access cell G56 | |
cell = ws.getCells().get("G56"); | |
//Create Sub-Bookmark and Destination for this cell | |
PdfBookmarkEntry subbookmarkEntry1 = new PdfBookmarkEntry(); | |
subbookmarkEntry1.setText("Text1"); | |
subbookmarkEntry1.setDestination(cell); | |
subbookmarkEntry1.setDestinationName("AsposeCells--" + cell.getName()); | |
//Access cell L4 | |
cell = ws.getCells().get("L4"); | |
//Create Sub-Bookmark and Destination for this cell | |
PdfBookmarkEntry subbookmarkEntry2 = new PdfBookmarkEntry(); | |
subbookmarkEntry2.setText("Text2"); | |
subbookmarkEntry2.setDestination(cell); | |
subbookmarkEntry2.setDestinationName("AsposeCells--" + cell.getName()); | |
//Add Sub-Bookmarks in list | |
ArrayList list = new ArrayList(); | |
list.add(subbookmarkEntry1); | |
list.add(subbookmarkEntry2); | |
//Assign Sub-Bookmarks list to Bookmark Sub-Entry | |
bookmarkEntry.setSubEntry(list); | |
//Create PdfSaveOptions and assign Bookmark to it | |
PdfSaveOptions opts = new PdfSaveOptions(); | |
opts.setBookmark(bookmarkEntry); | |
//Save the workbook in Pdf format with given pdf save options | |
wb.save(outDir + "outputPdfBookmarkEntry_DestinationName.pdf", opts); |