java api返回值的标准化详解

{"status":200,"message":"操作成功","data":"{\"id\":1,\"name\":\"张三\"}"}

 @Builder
 @Getter
 @NoArgsConstructor
 @AllArgsConstructor
 static class ResponseBody {

 private int status;
 private String message;
 private Object data;
 }

 @GetMapping(GET_HTTP_ERROR)
 ResponseEntity<?> getHttpError() throws IOException {
 return ResponseEntity.badRequest().build();
 }
 @Test
 public void getHttpError() throws Exception {
  mockMvc
   .perform(
    get(LindDemo.GET_HTTP_ERROR)
     .accept(MediaType.APPLICATION_JSON_UTF8))
   .andExpect(status().is(400));
 
 }

MockHttpServletResponse:
   Status = 400
 Error message = null
   Headers = {}
  Content type = null
    Body = 
 Forwarded URL = null
 Redirected URL = null
   Cookies = []

 @GetMapping(GET_ERROR)
 ResponseEntity<?> getError() throws IOException {
 return ResponseUtils.badRequest("传入的参数非法！");
 }
 
 @Test
 public void getError() throws Exception {
  mockMvc
   .perform(
    get(LindDemo.GET_ERROR)
     .accept(MediaType.APPLICATION_JSON_UTF8))
   .andExpect(status().isOk());
 
 }

MockHttpServletResponse:
   Status = 200
 Error message = null
   Headers = {Content-Type=[application/json;charset=UTF-8]}
  Content type = application/json;charset=UTF-8
    Body = {"status":400,"message":"传入的参数非法！","data":{}}
 Forwarded URL = null
 Redirected URL = null
   Cookies = []