在C#中将Excel XLS和XLSX转换为PDF

PM> Install-Package Aspose.Cells

// Instantiate the Workbook object with the Excel file
Workbook workbook = new Workbook("SampleExcel.xls");

// Save the document in PDF format
workbook.Save("outputPDF.pdf", SaveFormat.Pdf);

// Instantiate new workbook
Workbook workbook = new Workbook();

// Insert a value into cell A1
workbook.Worksheets[0].Cells[0, 0].PutValue("Testing PDF/A");

// Define PdfSaveOptions
PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();

// Set the compliance type
pdfSaveOptions.Compliance = PdfCompliance.PdfA1b;

// Save the file
workbook.Save(dataDir + "output.pdf", pdfSaveOptions);

// Load the workbook
Workbook workbook = new Workbook("PagesBook1.xlsx");

PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();

// Assign the custom class that implements IPageSavingCallback interface
pdfSaveOptions.PageSavingCallback = new TestPageSavingCallback();

workbook.Save("DocumentConversionProgress.pdf", pdfSaveOptions);

public class TestPageSavingCallback : IPageSavingCallback
{
    public void PageStartSaving(PageStartSavingArgs args)
    {
        Console.WriteLine("Start saving page index {0} of pages {1}", args.PageIndex, args.PageCount);

        // Pages before page index 2 are not rendered.
        if (args.PageIndex < 2)
        {
            args.IsToOutput = false;
        }
    }

    public void PageEndSaving(PageEndSavingArgs args)
    {
        Console.WriteLine("End saving page index {0} of pages {1}", args.PageIndex, args.PageCount);

        // Pages after page index 8 are not rendered.
        if (args.PageIndex >= 8)
        {
            args.HasMorePages = false;
        }
    }
}