支持文档属性

//create to a pdf file stream
FileOutputStream outputStream = null;
try {
    outputStream = new FileOutputStream("SetDocumentPropertiesToPDF.pdf");
} catch (FileNotFoundException e) {
    e.printStackTrace();
}
//create a new workbook
Workbook workbook = new Workbook();

IWorksheet worksheet = workbook.getWorksheets().get(0);
worksheet.getRange("A1").setValue("GrapeCity Documents for Excel");
worksheet.getRange("A1").getFont().setSize(25);

DocumentProperties documentProperties = new DocumentProperties();
//Sets the name of the person that created the PDF document.
documentProperties.setAuthor("Jaime Smith");
//Sets the title of thePDF document.
documentProperties.setTitle("GcPdf Document Info Sample");
//Set the PDF version.
documentProperties.setPdfVersion(1.5f);
//Set the subject of the PDF document.
documentProperties.setSubject("GcPdfDocument.DocumentInfo");
//Set the keyword associated with the PDF document.
documentProperties.setKeywords("Keyword1");
//Set the creation date and time of the PDF document.
documentProperties.setCreationDate(new GregorianCalendar(2019,5,24));
//Set the date and time the PDF document was most recently modified.
documentProperties.setModifyDate(new GregorianCalendar(2020,5,24));
//Set the name of the application that created the original PDF document.
documentProperties.setCreator("GcPdfWeb Creator");
//Set the name of the application that created the PDF document.
documentProperties.setProducer("GcPdfWeb Producer");


PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
//Sets the document properties of the pdf.
pdfSaveOptions.setDocumentProperties(documentProperties);