示例代码如下:FileInputStream is = new FileInputStream("slideshow.ppt");
        SlideShow ppt = new SlideShow(is);
        is.close();
        
        Dimension pgsize = ppt.getPageSize();        Slide[] slide = ppt.getSlides();
        for (int i = 0; i < slide.length; i++) {            BufferedImage img = new BufferedImage(pgsize.width, pgsize.height, BufferedImage.TYPE_INT_RGB);
            Graphics2D graphics = img.createGraphics();
            //clear the drawing area
            graphics.setPaint(Color.white);
            graphics.fill(new Rectangle2D.Float(0, 0, pgsize.width, pgsize.height));            //render
            slide[i].draw(graphics);            //save the output
            FileOutputStream out = new FileOutputStream("slide-"  + (i+1) + ".png");
            javax.imageio.ImageIO.write(img, "png", out);
            out.close();
        }高手来帮忙看看