如何在Java中将ppt文件转换为pdf文件？
我想将MS powerpoint（ppt）文档转换为PDF。
我搜索了像officetools.jar这样的officetools.jar ，但这需要购买。
有没有什么办法可以通过itext和apache POI转换它，就像我们为doc做PDF一样？
我正在使用iText和apache poi：
以下是import清单 –
import java.awt.Color; import java.awt.Dimension; import java.awt.Graphics2D; import java.awt.geom.AffineTransform; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import org.apache.poi.hslf.model.Slide; import org.apache.poi.hslf.usermodel.SlideShow; import org.apache.poi.xslf.usermodel.XMLSlideShow; import org.apache.poi.xslf.usermodel.XSLFSlide; import com.itextpdf.text.Document; import com.itextpdf.text.DocumentException; import com.itextpdf.text.Image; import com.itextpdf.text.Rectangle; import com.itextpdf.text.pdf.PdfPCell; import com.itextpdf.text.pdf.PdfPTable; import com.itextpdf.text.pdf.PdfWriter;
而方法是..
public void convertPPTToPDF(String sourcepath, String destinationPath, String fileType) throws Exception { FileInputStream inputStream = new FileInputStream(sourcepath); double zoom = 2; AffineTransform at = new AffineTransform(); at.setToScale(zoom, zoom); Document pdfDocument = new Document(); PdfWriter pdfWriter = PdfWriter.getInstance(pdfDocument, new FileOutputStream(destinationPath)); PdfPTable table = new PdfPTable(1); pdfWriter.open(); pdfDocument.open(); Dimension pgsize = null; Image slideImage = null; BufferedImage img = null; if (fileType.equalsIgnoreCase(".ppt")) { SlideShow ppt = new SlideShow(inputStream); pgsize = ppt.getPageSize(); Slide slide[] = ppt.getSlides(); pdfDocument.setPageSize(new Rectangle((float) pgsize.getWidth(), (float) pgsize.getHeight())); pdfWriter.open(); pdfDocument.open(); for (int i = 0; i < slide.length; i++) { img = new BufferedImage((int) Math.ceil(pgsize.width * zoom), (int) Math.ceil(pgsize.height * zoom), BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); graphics.setTransform(at); graphics.setPaint(Color.white); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); slide[i].draw(graphics); graphics.getPaint(); slideImage = Image.getInstance(img, null); table.addCell(new PdfPCell(slideImage, true)); } } if (fileType.equalsIgnoreCase(".pptx")) { XMLSlideShow ppt = new XMLSlideShow(inputStream); pgsize = ppt.getPageSize(); XSLFSlide slide[] = ppt.getSlides(); pdfDocument.setPageSize(new Rectangle((float) pgsize.getWidth(), (float) pgsize.getHeight())); pdfWriter.open(); pdfDocument.open(); for (int i = 0; i < slide.length; i++) { img = new BufferedImage((int) Math.ceil(pgsize.width * zoom), (int) Math.ceil(pgsize.height * zoom), BufferedImage.TYPE_INT_RGB); Graphics2D graphics = img.createGraphics(); graphics.setTransform(at); graphics.setPaint(Color.white); graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height)); slide[i].draw(graphics); graphics.getPaint(); slideImage = Image.getInstance(img, null); table.addCell(new PdfPCell(slideImage, true)); } } pdfDocument.add(table); pdfDocument.close(); pdfWriter.close(); System.out.println("Powerpoint file converted to PDF successfully"); }
我尝试使用LibreOffice JAVA API打开PPT并将其保存为PDF。
使用JODConverter ，但它需要OpenOffice.org。
尝试使用aspose。 我个人，以前没用过它。 这是链接