spring从resource中读取json数据

  import org.apache.commons.io.IOUtils;
  import org.springframework.core.io.ClassPathResource;
  ...
  ClassPathResource resource = new ClassPathResource("demo.json");
  String jsonStr = IOUtils.toString(resource.getInputStream(), StandardCharsets.UTF_8);
  JSONObject jsonObject = JSON.parseObject(jsonStr);
  ...