code: public JSONObject sendImageRequest(String url, byte[] image, HashMap<String, Object> options) {
          AipRequest request = new AipRequest();
          preOperation(request);
          String content = Base64Util.encode(image);
          request.addBody("image", content);
          if (options != null) {
              request.addBody(options);
          }
          request.setUri(url);
          request.addHeader(Headers.CONTENT_ENCODING,
                  HttpCharacterEncoding.ENCODE_UTF8);
          request.addHeader(Headers.CONTENT_TYPE, HttpContentType.JSON_DATA);
          request.setBodyFormat(EBodyFormat.RAW_JSON);
          postOperation(request);
          return requestServer(request);
      }
docs: easyDL通用请求方法
  @param url 服务的url
  @param image 图片二进制数据
  @param options 可选参数
  @return Json返回