Android利用POI实现将图片插入到Excel

    /**
    * @param workbook  workbook对象
    * @param sheet   工作簿对象
    * @param fileUrl  URL
    * @param row  第多少行
    * @param col  第多少列
    * @param scaleX   X轴
    * @param scaleY   Y轴
     */
    public static void picture2(Workbook workbook, Sheet sheet, String fileUrl, int row, int col, double scaleX, double scaleY) {
        try {
            //防止URL地址有中文，解码
            String head = fileUrl.substring(0, fileUrl.lastIndexOf("/")+1);
            String suffix = fileUrl.substring(fileUrl.lastIndexOf("/")+1);
            String link = head + URLEncoder.encode(suffix,"UTF-8");
            URL url = new URL(link);  // 构造URL
            URLConnection con = url.openConnection(); // 打开连接
            con.setConnectTimeout(8 * 1000);   //设置请求超时
            InputStream is = con.getInputStream();  // 输入流
            byte[] bytes = IOUtils.toByteArray(is);
            @SuppressWarnings("static-access")
            int pictureIdx = workbook.addPicture(bytes, workbook.PICTURE_TYPE_PNG); //参数二是图片格式 还有jpg格式等
            CreationHelper helper = workbook.getCreationHelper();
            Drawing drawing = sheet.createDrawingPatriarch();
            ClientAnchor anchor = helper.createClientAnchor();
            anchor.setCol1(col); // 图片插入坐标
            anchor.setRow1(row);
            Picture pict = drawing.createPicture(anchor, pictureIdx); // 插入图片
            pict.resize(scaleX, scaleY);  // 这个方法在 Android 端会造成崩溃。
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void picture(Workbook workbook, Sheet sheet, String fileUrl, String fileType, int row, int col) {
        try {
            Drawing patriarch = sheet.createDrawingPatriarch();
            URL url = new URL(fileUrl);  // 构造URL
            URLConnection con = url.openConnection();   // 打开连接
            con.setConnectTimeout(8 * 1000);  //设置请求超时
            InputStream is = con.getInputStream();    // 输入流
            ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();
            BufferedImage bufferImg = ImageIO.read(is);
            ImageIO.write(bufferImg, "JPEG", byteArrayOut);
            bufferImg.flush();
            byteArrayOut.flush();
            XSSFClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0,( short ) 0, 0, ( short ) 5, 8);
            patriarch.createPicture(anchor, workbook.addPicture(byteArrayOut.toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG));   //参数二是图片格式 还有png格式等
        } catch (Exception e) {
            e.printStackTrace();
        }
    }