POI 读取图片

public static void getePic() throws IOException {
		HSSFWorkbook wb = new HSSFWorkbook(ReaderFileUtils.getFile("out.xls"));
		List<HSSFPictureData> ls = wb.getAllPictures();
		byte[] data = new byte[1024];
		int i=0;
		for(HSSFPictureData pd : ls){
			data=pd.getData();
			IOUtils.write(data, new FileOutputStream("out"+(i++)+".jpg"));
		}
	}