<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web</artifactId>
 </dependency>

@Data
@ApiModel("用戶(hù)-表單對(duì)象")
public class SportsUserCreatForm{
 
 @ApiModelProperty(value="用戶(hù)唯一標(biāo)識(shí)",example = "0")
 @NotNull(groups = {Update.class})
 private long id;
 
 @ApiModelProperty(value = "所屬機(jī)構(gòu)唯一標(biāo)識(shí)(冗余字段)", example = "0")
 private long organizationId;
 
 @ApiModelProperty("登錄用戶(hù)名")
 @NotBlank(message = "用戶(hù)名不能為空")
 @Length(max = 10, message = "用戶(hù)名最長(zhǎng)為10位")
 private String loginName;
 
 @ApiModelProperty("密碼")
 private String password;
 
 @ApiModelProperty("手機(jī)號(hào)")
 private String phone;
 
 @ApiModelProperty("郵箱")
 private String email;
 
 @ApiModelProperty("性別( 'MALE', 'FEMALE' )")
 @NotNull(message = "用戶(hù)性別不能為空")
 private SportsUserEnumGender gander;
 
 @ApiModelProperty(value = "出生日期-13位時(shí)間戳",example = "0")
 private long birthday;
 
 @ApiModelProperty("身份證號(hào)")
 private String idNumber;
 
 @ApiModelProperty("用戶(hù)昵稱(chēng)")
 private String nickname;
 
}

 @PostMapping("user/add")
 @RequiresAuthentication
 @ApiOperation("添加用戶(hù)")
 public SportsUser addUser(@Validated @RequestBody SportsUserCreatForm user) throws Exception{
 return userBiz.addUser(user);
 }

@Slf4j
@Order(Ordered.HIGHEST_PRECEDENCE)
@RestControllerAdvice
public class GlobalExceptionAdvice {
 
 @ExceptionHandler(MethodArgumentNotValidException.class)
 @ResponseBody
 public ResponseEntity<Object> handleBeanValidation(HttpServletResponse res, MethodArgumentNotValidException e) throws Exception{
 res.setStatus(HttpStatus.OK.value());
 List<ObjectError> errors = e.getBindingResult().getAllErrors();
 ObjectError error = errors.get(0);// 如果有多個(gè)異常,這里只取第一個(gè)異常。沒(méi)有必要把所有異常都拋出（錯(cuò)就是錯(cuò)，第一個(gè)校驗(yàn)都沒(méi)通過(guò)，自然也輪不到第二個(gè)校驗(yàn)。）
 String json = JsonUtils.obj2json(error);
 Map map = JsonUtils.json2map(json);
 OkMessage result = new OkMessage();
 result.setMsg("請(qǐng)求參數(shù)錯(cuò)誤"e.getBindingResult().getFieldError().getDefaultMessage() + "]");
 result.setCode("PARAM-000001");
 return new ResponseEntity<>(result, HttpStatus.OK);
 }
}

 
import javax.validation.groups.Default;
 
/**
 * 數(shù)據(jù)新增分組
 */
public interface Create extends Default {
 
}

 
import javax.validation.groups.Default;
 
/**
 * 數(shù)據(jù)更新分組
 */
public interface Update extends Default {
 
}

 @PostMapping("user/add")
 @RequiresAuthentication
 @ApiOperation("添加用戶(hù)")
 public SportsUser addUser(@Validated(Create.class) @RequestBody SportsUserCreatForm user) throws Exception{
 return userBiz.addUser(user);
 }

常用的幾個(gè):
1.@NotNull：不能為null，但可以為empty(""," ","   ")
2.@NotEmpty：不能為null，而且長(zhǎng)度必須大于0 (" ","  ")
3.@NotBlank：只能作用在String上，不能為null，而且調(diào)用trim()后，長(zhǎng)度必須大于0("test")    即：必須有實(shí)際字符