import javax.validation.Constraint;

import javax.validation.Payload;

import java.lang.annotation.Documented;

import java.lang.annotation.Retention;

import java.lang.annotation.Target;

import static java.lang.annotation.ElementType.ANNOTATION_TYPE;

import static java.lang.annotation.ElementType.FIELD;

import static java.lang.annotation.ElementType.METHOD;

import static java.lang.annotation.RetentionPolicy.RUNTIME;

@Target( { METHOD, FIELD, ANNOTATION_TYPE })

@Retention(RUNTIME)

@Constraint(validatedBy = StatusValidator.class)

@Documented

public @interface ValidStatus {

    String message() default "状态错误 ";

    Class<?>[] groups() default {};

    Class<? extends Payload>[] payload() default {};

    /**

     * 有效的状态值集合，默认{1,2}

     */

    int[] value() default {1,2};

}

import javax.validation.ConstraintValidator;

import javax.validation.ConstraintValidatorContext;

import java.util.Arrays;

import java.util.List;

/**

 * 校验状态是否属于指定状态集

 (ConstraintValidator后指定的泛型对象类型为

 注解类和注解注释的字段类型<ValidStatus, Integer>)

 */

public class StatusValidator implements ConstraintValidator<ValidStatus, Integer> {

    private Integer[] validStatus;

    @Override

    public void initialize(ValidStatus validStatus) {

        int[] ints = validStatus.value();

        int n = ints.length;

        Integer[] integers = new Integer[n];

        for (int i = 0; i < n; i++) {

            integers[i] = ints[i];

        }

        this.validStatus = integers;

    }

    @Override

    public boolean isValid(Integer n, ConstraintValidatorContext constraintValidatorContext) {

        List<Integer> status = Arrays.asList(validStatus);

        if (status.contains(n)) {

            return true;

        }

        return false;

    }

}

public class QueryDTO {

@ValidStatus

@NotNull

private Integer type;

//...省略n行代码

}

@RestController

@RequestMapping(value = "xxx")

public class DemoController {

//...省略n行代码

@PostMapping(value = "/testUrl")

    public Response<ResultVO> getXXXList(@RequestBody @Valid QueryDTO dto){

    //...省略n行代码

    }

}

ValidatorFactory factory = Validation.buildDefaultValidatorFactory();

        validator = factory.getValidator();

        Set<ConstraintViolation<QueryDTO>> constraintViolations =

            validator.validate(queryDTO);