המר PDF ל-Excel ול-Markdown עם Aspose.PDF FOSS for Java

import org.aspose.pdf.Document;
import org.aspose.pdf.ExcelSaveOptions;

try (Document doc = new Document("report.pdf")) {
    ExcelSaveOptions options = new ExcelSaveOptions();
    options.setFormat(ExcelSaveOptions.ExcelFormat.XLSX); // default
    options.setMinimizeTheNumberOfWorksheets(true);        // merge pages onto fewer sheets
    options.setInsertBlankColumnAtFirst(false);            // no leading spacer column
    options.setUniformWorksheets(false);                   // allow per-sheet column widths
    options.setStructuralHeuristics(true);                 // recover tables on untagged PDFs
    options.setSuppressRunningHeadersFooters(true);         // drop repeated page furniture
    doc.save("report.xlsx", options);
}

import org.aspose.pdf.Document;
import org.aspose.pdf.MarkdownSaveOptions;

try (Document doc = new Document("article.pdf")) {
    MarkdownSaveOptions options = new MarkdownSaveOptions();
    options.setStructuralHeuristics(true);          // recover headings/lists/tables
    options.setSuppressRunningHeadersFooters(true);  // drop repeated page furniture
    options.setRasterizeVectorGraphics(true);        // charts/shapes -> referenced images
    doc.save("article.md", options);
}

import org.aspose.pdf.Document;
import org.aspose.pdf.ExcelLoadOptions;

try (Document doc = new Document("book.xlsx", new ExcelLoadOptions())) {
    doc.save("book.pdf");
}

import org.aspose.pdf.Document;
import org.aspose.pdf.SaveFormat;

try (Document doc = new Document("report.pdf")) {
    doc.save("report.xlsx", SaveFormat.Xlsx); // SaveFormat.Excel is an alias
}