code: public boolean containsValue(String path, Object value) {
          return JSONPath.containsValue(jsonObject, checkPath(path), value);
      }
docs: 是否包含某个值
  
  @param path <a href= "https://github.com/alibaba/fastjson/wiki/JSONPath">路径语法</a>
  @param value 值
  
  @return {@link Boolean}