@RequestMapping(value = "/sample/{sampleId}", method = RequestMethod.PUT, consumes = "application/json;charset=UTF-8")
public ResponseEntity<Void> updateSample(@RequestBody JSONObject jsonObject,
@PathVariable(value = "sampleId", required = true) Integer sampleId)
throws JsonProcessingException, IOException {
ObjectMapper mapper = new ObjectMapper();
//将json字符串转换为jsonNode
JsonNode jsonNode = mapper.readTree(jsonObject.toJSONString());
//将json中的数据转换为实体类
SampleVo sampleVo = (SampleVo) mapper.convertValue(jsonNode, SampleVo.class);