/**

     * pic to base64Str

     * @param path 读取路径

     * @return

     */

    public static String GetImageStr(String path) {//转化成base64字符串

        String imgFile = path;

        InputStream in = null;

        byte[] data = null;

        try {

            in = new FileInputStream(imgFile);

            data = new byte[in.available()];

            in.read(data);

            in.close();

            BASE64Encoder encoder = new BASE64Encoder();

            return encoder.encode(data);// 返回Base64编码过的字节数组字符串

        } catch (IOException e) {

            logger.error("图片转换base64字符串出错"+e.getMessage());

        }

        return "";

    }

    /**

     *  base64Str to pic

     * @param imgStr base64 字符串

     * @param path 存储路径

     * @return

     */

    public static boolean GenerateImage(String imgStr,String path) { // 对字节数组字符串进行Base64解码并生成

        if (imgStr == null) {

            return false;

        }

        BASE64Decoder decoder = new BASE64Decoder();

        try {

            byte[] b = decoder.decodeBuffer(imgStr);

            for (int i = 0; i < b.length; ++i) {

                if (b[i] < 0) {// 调整异常数据

                    b[i] += 256;

                }

            }

            File file = new File(path);

            if (!file.getParentFile().exists()){

                file.getParentFile().mkdirs();

            }

            OutputStream out = new FileOutputStream(new File(path));

            out.write(b);

            out.flush();

            out.close();

            return true;

        } catch (Exception e) {

            e.printStackTrace();

            return false;

        }

    }