Springboot参数校验之分组校验、嵌套校验的实现

@Size(min=5,max = 20)
    private String nickName;

 @Pattern(regexp = "^\\d{15}|\\d{18}$")
    private String idCard;

 @NotEmpty
    private List<User> users;

public interface AddView {
}

public class UserReq {
    private static final long serialVersionUID = 1L;
    /**
     * id
     */
    @NotNull
    private Long id;
    /**
     * 用户集合
     */
    @NotEmpty(groups = {AddView.class, UpdateView.class})
    private List<User> users;
}

 @PostMapping("users")
    public Response<Void> users(@RequestBody @Validated({UpdateView.class}) UserReq userReq) {
        // to do something
        return RespUtil.success();
    }

public class UserReq {
    private static final long serialVersionUID = 1L;
    /**
     * id
     */
    @NotNull
    private Long id;
    /**
     * 用户集合
     */
    @NotEmpty(groups = {AddView.class, UpdateView.class})
    @Valid
    private List<User> users;
}

public class User {
    private static final long serialVersionUID = 1L;
    /**
     * id
     */
    @NotNull
    private Long userId;
    /**
     * 姓名
     */
    @NotBlank
    private String name;
}

@PostMapping("login")
    public Response<Void> login(@RequestBody @Valid LoginReq loginReq,
                                @NotBlank @RequestHeader("token") String token) {
        // to do something
        return RespUtil.success();