1.自定義注解類DigitsMustIn

@Constraint(validatedBy = DigitsMustInValidator.class) //具體的實現
@Target({java.lang.annotation.ElementType.METHOD,java.lang.annotation.ElementType.FIELD})
@Retention(java.lang.annotation.RetentionPolicy.RUNTIME)
@Documented
public @interface DigitsMustIn {String message() default "{}不需在[{}]中"; //提示信息,可以寫死,可以填寫國際化的keyint[] inArr();//下面這兩個屬性必須添加Class<?>[] groups() default {};Class<? extends Payload>[] payload() default {};
}

2.實現DigitsMustInValidator校驗服務

public class DigitsMustInValidator implements ConstraintValidator<DigitsMustIn, Integer> {Integer[] ints;@Overridepublic void initialize(DigitsMustIn constraintAnnotation) {int[] ints = constraintAnnotation.inArr();this.ints = ArrayUtils.toObject(ints);}@Overridepublic boolean isValid(Integer integer, ConstraintValidatorContext constraintValidatorContext) {if (ArrayUtils.contains(ints, integer)) {return true;}constraintValidatorContext.disableDefaultConstraintViolation();//禁用默認的message的值//重新添加錯誤提示語句constraintValidatorContext.buildConstraintViolationWithTemplate("["+integer+"]" + "必須在" + Arrays.toString(ints) + "之內").addConstraintViolation();return false;}
}

3.在需要校驗的字段上加自定義注解

@DigitsMustIn(inArr = {7, 8, 18})
private Integer sourceType;

4.驗證

private void validate(Object validateObj) throws WMS3CheckedException {for (ConstraintViolation<Object> constraintViolation : Validation.buildDefaultValidatorFactory().getValidator().validate(validateObj)) {throw new WMS3CheckedException(WMS3ExceptionCode.UNKNOW_EXCEPTON.getCode(),constraintViolation.getPropertyPath() + constraintViolation.getMessage());}
}