aspose-words word转图片

	// 将word 转化为图片一张
	public static String parseFileToBase64_PNG(String wordfile) throws Exception {

		//文件流
		InputStream inputStream = new FileInputStream(wordfile);
		//文件 获取文件名字
		File file = new File(wordfile);
		String name = file.getName();
		//截取不带后缀名的字段
		String fileName = name.substring(0, name.lastIndexOf("."));

		//文件上传路径
		String parent = file.getParent();

		List<BufferedImage> bufferedImages = new ArrayList<BufferedImage>();
		BufferedImage image = null;
			bufferedImages = wordToImg(inputStream);
			image = MergeImage.mergeImage(false, bufferedImages);

		boolean png = ImageIO.write(image, "png", new File(parent + "/" + fileName + ".png"));// 写入流中


		if(png == false){
			return "转换失败";
		}

		//关闭流
		inputStream.close();
		return "转换成功";
	}

/**
	 * @Description: word和txt文件转换图片
	 */
	private static List<BufferedImage> wordToImg(InputStream inputStream) throws Exception {
		if (!isWordLicense()) {
			return null;
		}

		try {

			Document doc = new Document(inputStream);
			ImageSaveOptions options = new ImageSaveOptions(SaveFormat.PNG);
			options.setPrettyFormat(true);
			options.setUseAntiAliasing(true);
			options.setUseHighQualityRendering(true);
			int pageCount = doc.getPageCount();

			List<BufferedImage> imageList = new ArrayList<BufferedImage>();
			for (int i = 0; i < pageCount; i++) {
				OutputStream output = new ByteArrayOutputStream();
				options.setPageIndex(i);

				doc.save(output, options);
				ImageInputStream imageInputStream = ImageIO.createImageInputStream(parse(output));
				imageList.add(ImageIO.read(imageInputStream));
			}
			return imageList;

		} catch (Exception e) {
			e.printStackTrace();
			throw e;
		}
	}

/**
	 * @Description: 验证aspose.word组件是否授权：无授权的文件有水印和试用标记
	 */
	public static boolean isWordLicense() {
		boolean result = false;
		try {
			// InputStream inputStream = new
			// FileInputStream("D:\\Workspaces\\TestFilters\\lib\\license.xml");
			// 避免文件遗漏
			String licensexml = "<License>\n" + "<Data>\n" + "<Products>\n"
					+ "<Product>Aspose.Total for Java</Product>\n" + "<Product>Aspose.Words for Java</Product>\n"
					+ "</Products>\n" + "<EditionType>Enterprise</EditionType>\n"
					+ "<SubscriptionExpiry>20991231</SubscriptionExpiry>\n"
					+ "<LicenseExpiry>20991231</LicenseExpiry>\n"
					+ "<SerialNumber>23dcc79f-44ec-4a23-be3a-03c1632404e9</SerialNumber>\n" + "</Data>\n"
					+ "<Signature>\n"
					+ "sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=\n"
					+ "</Signature>\n" + "</License>";
			InputStream inputStream = new ByteArrayInputStream(licensexml.getBytes());
			com.aspose.words.License license = new com.aspose.words.License();
			license.setLicense(inputStream);
			result = true;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return result;
	}

// outputStream转inputStream
	public static ByteArrayInputStream parse(OutputStream out) throws Exception {
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		baos = (ByteArrayOutputStream) out;
		ByteArrayInputStream swapStream = new ByteArrayInputStream(baos.toByteArray());
		return swapStream;
	}

package util;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.util.List;

/**
 * @program: transformation
 * @description: 多张图片合成
 * @author: cuixy
 * @create: 2019-07-26 17:10
 **/
public class MergeImage {

    /**
     * 合并任数量的图片成一张图片
     *
     * @param isHorizontal
     *            true代表水平合并，fasle代表垂直合并
     * @param imgs
     *            待合并的图片数组
     * @return
     * @throws IOException
     */
    public static BufferedImage mergeImage(boolean isHorizontal, List<BufferedImage> imgs) throws IOException {
        // 生成新图片
        BufferedImage destImage = null;
        // 计算新图片的长和高
        int allw = 0, allh = 0, allwMax = 0, allhMax = 0;
        // 获取总长、总宽、最长、最宽
        for (int i = 0; i < imgs.size(); i++) {
            BufferedImage img = imgs.get(i);
            allw += img.getWidth();

            if (imgs.size() != i + 1) {
                allh += img.getHeight() + 2;
            } else {
                allh += img.getHeight();
            }

            if (img.getWidth() > allwMax) {
                allwMax = img.getWidth();
            }

            if (img.getHeight() > allhMax) {
                allhMax = img.getHeight();
            }
        }

        // 创建新图片
        if (isHorizontal) {
            destImage = new BufferedImage(allw, allhMax, BufferedImage.TYPE_INT_RGB);
        } else {
            destImage = new BufferedImage(allwMax, allh, BufferedImage.TYPE_INT_RGB);
        }

        // 注释，分隔线从灰色变成纯黑
        // Graphics2D g2 = (Graphics2D) destImage.getGraphics();
        // g2.setBackground(Color.LIGHT_GRAY);
        // g2.clearRect(0, 0, allw, allh);
        // g2.setPaint(Color.RED);

        // 合并所有子图片到新图片
        int wx = 0, wy = 0;
        for (int i = 0; i < imgs.size(); i++) {
            BufferedImage img = imgs.get(i);
            int w1 = img.getWidth();
            int h1 = img.getHeight();
            // 从图片中读取RGB
            int[] ImageArrayOne = new int[w1 * h1];
            ImageArrayOne = img.getRGB(0, 0, w1, h1, ImageArrayOne, 0, w1); // 逐行扫描图像中各个像素的RGB到数组中
            if (isHorizontal) { // 水平方向合并
                destImage.setRGB(wx, 0, w1, h1, ImageArrayOne, 0, w1); // 设置上半部分或左半部分的RGB
            } else { // 垂直方向合并
                destImage.setRGB(0, wy, w1, h1, ImageArrayOne, 0, w1); // 设置上半部分或左半部分的RGB
            }

            wx += w1;
            wy += h1 + 2;
        }
        return destImage;
    }



}

/**
	 * word 转每页pdf
	 * @param wordfile
	 * @return
	 * @throws Exception
	 */
	public static String parseFileToBase64_PNG1(String wordfile) throws Exception {

		if (!isWordLicense()) {
			return null;
		}

		// 声明一个
		InputStream inputStream = new FileInputStream(wordfile);



		//文件 获取文件名字
		File file = new File(wordfile);
		String name = file.getName();
		//截取不带后缀名的字段
		String fileName = name.substring(0, name.lastIndexOf("."));
		//文件上传路径
		String parent = file.getParent();

		//创建同名文件夹
		new File(parent+"/"+ fileName).mkdir();

		List<BufferedImage> bufferedImages = wordToImg1(inputStream);

		for (int i = 0; i < bufferedImages.size(); i++){
			ImageIO.write(bufferedImages.get(i), "png", new File(parent +"/"+ fileName +"/"+ "第"+ i +"页" + fileName + ".png"));
		}


		

		//关闭流
		inputStream.close();


		return "转换成功";
	}