BufferedImage转byte[]

/**
     * BufferedImage转byte[]
     *
     * @param bImage BufferedImage对象
     * @return byte[]
     * @auth zhy
     */
    private static byte[] imageToBytes(BufferedImage bImage) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            ImageIO.write(bImage, "png", out);
        } catch (IOException e) {
            //log.error(e.getMessage());
        }
        return out.toByteArray();
    }