Java Validation Api如何实现自定义注解

import javax.validation.Constraint;
import javax.validation.Payload;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * @author wpp
 * @date 2020/8/22 14:30
 */
@Target({ElementType.FIELD, ElementType.METHOD})
@Retention(RetentionPolicy.RUNTIME)
@Constraint(validatedBy = PhoneCustomizeValidator.class)
public @interface CustomizeValidator {

  String message() default "不是国内手机号";

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

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

}

import cn.hutool.core.util.StrUtil;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.regex.Pattern;

/**
 * @author wpp
 * @date 2020/8/22 14:33
 */
public class PhoneCustomizeValidator implements ConstraintValidator<CustomizeValidator, String> {

  private String phoneRegex = "^(16[0-9]|19[0-9]|13[0-9]|15[012356789]|17[0-9]|18[0-9]|14[0-9])[0-9]{8}$";
  private Pattern phonePattern = Pattern.compile(phoneRegex);

  @Override
  public void initialize(CustomizeValidator constraintAnnotation) {

  }

  @Override
  public boolean isValid(String value, ConstraintValidatorContext context) {
    if (StrUtil.isBlank(value)) {
      return Boolean.FALSE;
    }
    return phonePattern.matcher(value).matches();
  }
}

import io.swagger.annotations.ApiModelProperty;
import lombok.Builder;
import lombok.Data;
import org.hibernate.validator.constraints.Length;

/**
 * @author wpp
 * @date 2020/8/22 14:49
 */
@Data
@Builder
public class CustomizeDTO {

  @ApiModelProperty(name = "phone", value = "手机号码")
  @Length(max = 13)
  private String phone;
}