SpringBoot自定义枚举验证

package com.lijinquan.validator;

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.*;

/**
 * 枚举校验注解
 *
 */
@Target({ElementType.FIELD, ElementType.METHOD, ElementType.ANNOTATION_TYPE})
@Retention(RetentionPolicy.RUNTIME)
@Documented
@Constraint(validatedBy = {StringValidator.class})
public @interface ValidateString {

    String[] acceptedValues();

    String message() default "{uk.dds.ideskos.validator.ValidateString.message}";

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

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

package com.lijinquan.validator;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.ArrayList;
import java.util.List;

/**
 * 枚举参数校验处理类
 *
 */
public class StringValidator implements ConstraintValidator<ValidateString, String> {

    private List<String> valueList;

    @Override
    public void initialize(ValidateString constraintAnnotation) {
        valueList = new ArrayList<String>();
        for (String val : constraintAnnotation.acceptedValues()) {
            valueList.add(val.toUpperCase());
        }
    }

    @Override
    public boolean isValid(String value, ConstraintValidatorContext context) {
        return valueList.contains(value.toUpperCase());
    }

}

@ValidateString(acceptedValues={"A", "B"}, message="请选择正确的网站")
private String site;