url中含有中文路径时访问出现404问题

/**
   * 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;
  }