可以查看官方文檔 Apache POI官網(wǎng)

    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 文檔的轉(zhuǎn)換 后綴名為.ppt   * @param pptFile ppt文件   * @param imgFile 圖片將要保存的目錄（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);		//及時關(guān)閉掉 輸入流		is.close();		Dimension pgsize = ppt.getPageSize();		Slide[] slide = ppt.getSlides();		for (int i = 0; i < slide.length; i++) {			log.info("第" + i + "頁。");			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++) {					// 原有的字體索引 和 字體名字					int index = rtruns[l].getFontIndex();					String name = rtruns[l].getFontName();					log.info("原有的字體索引 和 字體名字: "+index+" - "+name);					// 重新設(shè)置 字體索引 和 字體名稱 是為了防止生成的圖片亂碼問題					rtruns[l].setFontIndex(1);					rtruns[l].setFontName("宋體");				}			}			//根據(jù)幻燈片大小生成圖片			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);			// 圖片的保存位置			String absolutePath = imgFile.getAbsolutePath()+"/"+ (i + 1) + ".jpeg";			File jpegFile = new File(absolutePath);			// 圖片路徑存放			list.add((i + 1) + ".jpeg");			// 如果圖片存在，則不再生成			if (jpegFile.exists()) {				continue;			}			// 這里設(shè)置圖片的存放路徑和圖片的格式(jpeg,png,bmp等等),注意生成文件路徑			FileOutputStream out = new FileOutputStream(jpegFile);			ImageIO.write(img, "jpeg", out);			out.close();		}		log.error("PPT轉(zhuǎn)換成圖片 成功！");		return true;	}	catch (Exception e) {		log.error("PPT轉(zhuǎn)換成圖片 發(fā)生異常！", e);	}	return false;}

/**   * ppt2007文檔的轉(zhuǎn)換 后綴為.pptx   * @param pptFile PPT文件   * @param imgFile 圖片將要保存的路徑目錄（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();		// 獲取大小		Dimension pgsize = xmlSlideShow.getPageSize();		// 獲取幻燈片		XSLFSlide[] slides = xmlSlideShow.getSlides();		for (int i = 0 ; i < slides.length ; i++) {			// 解決亂碼問題			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("宋體");						}					}				}			}			//根據(jù)幻燈片大小生成圖片			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));			// 最核心的代碼			slides[i].draw(graphics);			//圖片將要存放的路徑			String absolutePath = imgFile.getAbsolutePath()+"/"+ (i + 1) + ".jpeg";			File jpegFile = new File(absolutePath);			// 圖片路徑存放			list.add((i + 1) + ".jpeg");			//如果圖片存在，則不再生成			if (jpegFile.exists()) {				continue;			}			// 這里設(shè)置圖片的存放路徑和圖片的格式(jpeg,png,bmp等等),注意生成文件路徑			FileOutputStream out = new FileOutputStream(jpegFile);			// 寫入到圖片中去			ImageIO.write(img, "jpeg", out);			out.close();		}		log.error("PPT轉(zhuǎn)換成圖片 成功！");		return true;	}	catch (Exception e) {		log.error("PPT轉(zhuǎn)換成圖片 發(fā)生異常！", 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)

// 最核心的代碼slides[i].draw(graphics);