Apache POI将PPT转换成图片实例代码

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    poi-3.12.jar    poi-ooxml-3.12.jar    poi-ooxml-schemas-3.12.jar    poi-scratchpad-3.12.jar    xmlbeans-2.6.0.jar

    <dependency>      <groupId>org.apache.poi</groupId>      <artifactId>poi-ooxml</artifactId>      <version>3.12</version>    </dependency>    <dependency>      <groupId>org.apache.poi</groupId>      <artifactId>poi-scratchpad</artifactId>      <version>3.12</version>    </dependency>

/**   * ppt2003 文档的转换 后缀名为.ppt   * @param pptFile ppt文件   * @param imgFile 图片将要保存的目录（不是文件）   * @return   */public static Boolean doPPT2003toImage(File pptFile,File imgFile,List<String> list) {	try {		FileInputStream is = new FileInputStream(pptFile);		SlideShow ppt = new SlideShow(is);		//及时关闭掉 输入流		is.close();		Dimension pgsize = ppt.getPageSize();		Slide[] slide = ppt.getSlides();		for (int i = 0; i < slide.length; i++) {			log.info("第" + i + "页。");			TextRun[] truns = slide[i].getTextRuns();			for (int k = 0; k < truns.length; k++) {				RichTextRun[] rtruns = truns[k].getRichTextRuns();				for (int l = 0; l < rtruns.length; l++) {					// 原有的字体索引 和 字体名字					int index = rtruns[l].getFontIndex();					String name = rtruns[l].getFontName();					log.info("原有的字体索引 和 字体名字: "+index+" - "+name);					// 重新设置 字体索引 和 字体名称 是为了防止生成的图片乱码问题					rtruns[l].setFontIndex(1);					rtruns[l].setFontName("宋体");				}			}			//根据幻灯片大小生成图片			BufferedImage img = new BufferedImage(pgsize.width,pgsize.height, BufferedImage.TYPE_INT_RGB);			Graphics2D graphics = img.createGraphics();			graphics.setPaint(Color.white);			graphics.fill(new Rectangle2D.float(0, 0, pgsize.width,pgsize.height));			slide[i].draw(graphics);			// 图片的保存位置			String absolutePath = imgFile.getAbsolutePath()+"/"+ (i + 1) + ".jpeg";			File jpegFile = new File(absolutePath);			// 图片路径存放			list.add((i + 1) + ".jpeg");			// 如果图片存在，则不再生成			if (jpegFile.exists()) {				continue;			}			// 这里设置图片的存放路径和图片的格式(jpeg,png,bmp等等),注意生成文件路径			FileOutputStream out = new FileOutputStream(jpegFile);			ImageIO.write(img, "jpeg", out);			out.close();		}		log.error("PPT转换成图片 成功！");		return true;	}	catch (Exception e) {		log.error("PPT转换成图片 发生异常！", e);	}	return false;}

/**   * ppt2007文档的转换 后缀为.pptx   * @param pptFile PPT文件   * @param imgFile 图片将要保存的路径目录（不是文件）   * @param list 存放文件名的 list   * @return   */public static Boolean doPPT2007toImage(File pptFile,File imgFile,List<String> list) {	FileInputStream is = null ;	try {		is = new FileInputStream(pptFile);		XMLSlideShow xmlSlideShow = new XMLSlideShow(is);		is.close();		// 获取大小		Dimension pgsize = xmlSlideShow.getPageSize();		// 获取幻灯片		XSLFSlide[] slides = xmlSlideShow.getSlides();		for (int i = 0 ; i < slides.length ; i++) {			// 解决乱码问题			XSLFShape[] shapes = slides[i].getShapes();			for (XSLFShape shape : shapes) {				if (shape instanceof XSLFTextShape) {					XSLFTextShape sh = (XSLFTextShape) shape;					List<XSLFTextParagraph> textParagraphs = sh.getTextParagraphs();					for (XSLFTextParagraph xslfTextParagraph : textParagraphs) {						List<XSLFTextRun> textRuns = xslfTextParagraph.getTextRuns();						for (XSLFTextRun xslfTextRun : textRuns) {							xslfTextRun.setFontFamily("宋体");						}					}				}			}			//根据幻灯片大小生成图片			BufferedImage img = new BufferedImage(pgsize.width,pgsize.height, BufferedImage.TYPE_INT_RGB);			Graphics2D graphics = img.createGraphics();			graphics.setPaint(Color.white);			graphics.fill(new Rectangle2D.float(0, 0, pgsize.width,pgsize.height));			// 最核心的代码			slides[i].draw(graphics);			//图片将要存放的路径			String absolutePath = imgFile.getAbsolutePath()+"/"+ (i + 1) + ".jpeg";			File jpegFile = new File(absolutePath);			// 图片路径存放			list.add((i + 1) + ".jpeg");			//如果图片存在，则不再生成			if (jpegFile.exists()) {				continue;			}			// 这里设置图片的存放路径和图片的格式(jpeg,png,bmp等等),注意生成文件路径			FileOutputStream out = new FileOutputStream(jpegFile);			// 写入到图片中去			ImageIO.write(img, "jpeg", out);			out.close();		}		log.error("PPT转换成图片 成功！");		return true;	}	catch (Exception e) {		log.error("PPT转换成图片 发生异常！", e);	}	return false;}

org.apache.poi.poifs.filesystem.OfficeXmlFileException: The supplied data appears to be in the Office 2007+ XML. You are calling the part of POI that deals with OLE2 Office Documents. You need to call a different part of POI to process this data (eg XSSF instead of HSSF)

// 最核心的代码slides[i].draw(graphics);