code: public boolean set(String path, Object value) {
          jsonStore.clear();
          return JSONPath.set(jsonObject, checkPath(path), value);
      }
docs: 根据路径设置值
  
  @param path <a href= "https://github.com/alibaba/fastjson/wiki/JSONPath">路径语法</a>
  @param value 值对象
  
  @return 是否设置成功