/**

   * URL中文字符编码转换

   * @param url 含中文字符的URL

   * @return

   */

  public static String getChineseURICode(String url){

      if(ValidateUtil.isEmpty(url)) throw new AppException("URL cannot be null");

      Matcher matcher = Pattern.compile("[\u4e00-\u9fa5]").matcher(url);

      String c = null;

      URLEncoder urlEncoder = new URLEncoder();

      while (matcher.find()) {

          c = matcher.group();

          url = url.replaceAll(c,urlEncoder.encode(c));

      }

      return url;

  }