Java自定义注解实现数据脱敏

/**
 * @description: 脱敏策略
 * @author: 
 * @date: 2023/6/18 19:45
 * @Version: 1.0
 */
public enum DesensitizationEnum {
    /**
     * 名称脱敏
     */
    USERNAME(s -> s.replaceAll("(\\S)\\S(\\S*)", "$1*$2"))
    ,
    /**
     * 手机号脱敏
     */
    MOBILE_PHONE(s -> s.replaceAll("(\\d{3})\\d{4}(\\d{4})", "$1****$2"))
    ,
    /**
     *地址脱敏
     */
    ADDRESS(s -> s.replaceAll("(\\S{3})\\S{2}(\\S*)\\S{2}", "$1****$2****"))
    ;
    /**
     * 成员变量  是一个接口类型
     */
    private Function<String, String> function;
    DesensitizationEnum(Function<String, String> function) {
        this.function = function;
    }
    public Function<String, String> function() {
        return this.function;
    }
}

import com.chaozhou.test01.dingShiRenWu.Annontion.Aspect.DesensitizationEnum;
import com.fasterxml.jackson.annotation.JacksonAnnotationsInside;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
 * @description:
 * @author:
 * @date: 2023/6/18 17:23
 * @Version: 1.0
 */
@Target({ElementType.FIELD}) //表明作用在字段上
@Retention(RetentionPolicy.RUNTIME) //什么情况下生效
@JacksonAnnotationsInside //标明序列化
@JsonSerialize(using = DesensitizationDataSerialize.class)
public @interface DesensitizationData {
    DesensitizationEnum function();
}

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.ContextualSerializer;
import lombok.NoArgsConstructor;
import java.io.IOException;
import java.util.Objects;
/**
 * @description: 数据脱敏序列化器
 * @author: 
 * @date: 2023/6/18 19:17
 * @Version: 1.0
 */
@NoArgsConstructor
public class DesensitizationDataSerialize extends JsonSerializer<String> implements ContextualSerializer {
    private DesensitizationEnum fuincation;
    @Override
    public JsonSerializer<?> createContextual(SerializerProvider serializerProvider, BeanProperty beanProperty) throws JsonMappingException {
        DesensitizationData annotation = beanProperty.getAnnotation(DesensitizationData.class);
        if(Objects.nonNull(annotation) && Objects.equals(beanProperty.getType().getRawClass(),String.class)){
            this.fuincation = annotation.function();
            return this;
        }
        return serializerProvider.findValueSerializer(beanProperty.getType(),beanProperty);
    }
    @Override
    public void serialize(String s, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        jsonGenerator.writeString(fuincation.function().apply(s));
    }
}

public class User implements Serializable {
    @TableId("id")
    private Integer id;
    @JsonFormat(pattern = "yyyy-MM-dd",timezone = "GMT+8")
    @ApiModelProperty(value = "出生年月")
    private Date birthday;
    @ApiModelProperty(value = "性别")
    private String gender;
    @ApiModelProperty(value = "姓名")
    private String username;
    @ApiModelProperty(value = "密码")
    private String password;
    @ApiModelProperty(value = "备注")
    private String remark;
    @ApiModelProperty(value = "状态")
    private String station;
    @ApiModelProperty(value = "联系电话")
    //手机号脱敏
    @DesensitizationData(function = DesensitizationEnum.MOBILE_PHONE)
    private String telephone;
}

<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.16</version>
        </dependency>
        <!--以下依赖不加亲测也可以实现-->
        <dependency>
            <groupId>org.bouncycastle</groupId>
            <artifactId>bcprov-jdk15on</artifactId>
            <version>1.60</version>
        </dependency>