问是否对Integer字段进行验证以检查rest api的确切值？@Min和@Max不起作用

EN

@Constraint(validatedBy = ConstantInterestRateValidator.class)
@Target( { ElementType.METHOD, ElementType.FIELD })
@Retention(RetentionPolicy.RUNTIME)
public @interface ConstantInterestRate {
    String message() default "Incorrect interest rate";
    Class<?>[] groups() default {};
    Class<? extends Payload>[] payload() default {};
}

public class ConstantInterestRateValidator implements 
  ConstraintValidator<ConstantInterestRate, Integer> {

    @Override
    public void initialize(ConstantInterestRate constantInterestRate) {
    }

    @Override
    public boolean isValid(String field,
      ConstraintValidatorContext cxt) {
        return contactField != null && field == 50;
    }

}

class Foo {
   @ConstantInterestRate
   Integer bar;
}