SpringBoot利用自定義json序列化器實(shí)現(xiàn)敏感字段數(shù)據(jù)脫敏

物料準(zhǔn)備:

1.hutool依賴

2.自定義的jackson序列化器

3.測(cè)試@JsonSerialize效果

引入hutool依賴

因?yàn)榘咐a用到了hutool提供的DesensitizedUtil數(shù)據(jù)脫敏工具類，這里要引入hutool的依賴。

如果你需要自定義 數(shù)據(jù)脫敏的邏輯，可以不引入這個(gè)依賴文章來(lái)源地址http://www.zghlxwxcb.cn/news/detail-524215.html

<dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.8</version>
        </dependency>

自定義jackson序列化器

自定義一個(gè)手機(jī)號(hào)脫敏序列化器

package com.example.demo.plugin;

import cn.hutool.core.util.DesensitizedUtil;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import java.io.IOException;
@Slf4j
@Component
public class MobileMskJsonSerializer extends JsonSerializer<String> {
    @Override
    public void serialize(String s,
                          JsonGenerator jsonGenerator,
                          SerializerProvider serializerProvider) throws IOException {

        String s1 = DesensitizedUtil.mobilePhone(s);
        log.info("mobilePhone數(shù)據(jù):{}脫敏后的值是:{}",s,s1);
        jsonGenerator.writeString(s1);


    }
}

自定義一個(gè)郵箱脫敏序列化器

package com.example.demo.plugin;

import cn.hutool.core.util.DesensitizedUtil;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;

import java.io.IOException;
@Slf4j
@Component
public class MailMskJsonSerializer extends JsonSerializer<String> {
    @Override
    public void serialize(String s, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        String s1 = DesensitizedUtil.email(s);
        log.info("email數(shù)據(jù):{}脫敏后的值是:{}",s,s1);
        jsonGenerator.writeString(s1);
    }
}

注冊(cè)剛剛自定義的json序列化器

package com.example.demo.plugin;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class JacksonCfg {

    @Autowired
    private MobileMskJsonSerializer  mobileMskJsonSerializer;
    @Autowired
    private MailMskJsonSerializer mailMskJsonSerializer;

    /**
     * 可以同時(shí)注冊(cè)多個(gè)自定義的jackson 序列化器
     * @return
     */
    @Bean
    public Jackson2ObjectMapperBuilderCustomizer objectMapperBuilderCustomizer(){
        return builder -> {
            builder.serializerByType(String.class,mobileMskJsonSerializer);
            builder.serializerByType(String.class,mailMskJsonSerializer);
        };
    }


}

測(cè)試@JsonSerialize效果

在實(shí)體類中使用@JsonSerialize注解

package com.example.demo.orm.po;

import cn.hutool.core.util.DesensitizedUtil;
import com.example.demo.plugin.MailMskJsonSerializer;
import com.example.demo.plugin.MobileMskJsonSerializer;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;


@Data
@AllArgsConstructor
@NoArgsConstructor
@Builder
public class Account implements Serializable {
    private static final long serialVersionUID = -8114863398578320034L;
    private Integer id;
    private String username;



    // @JsonSerialize 既可以用在字段上 ，也可以用在類上
    // 用在字段上時(shí)，只對(duì)某個(gè)字段生效
    // 用在類上時(shí)，對(duì)類中所有字段生效.(優(yōu)先級(jí)更高)
    // 一般常用在 字段上，對(duì)某個(gè)字段做特殊的序列化處理

    //使用 手機(jī)號(hào)脫敏序列號(hào)器
    @JsonSerialize(using = MobileMskJsonSerializer.class)
    private String mobile;

    //使用 郵箱脫敏序列號(hào)器
    @JsonSerialize(using = MailMskJsonSerializer.class)
    private String mail;

}

測(cè)試查詢結(jié)果

@Test
void test81902() throws JsonProcessingException {
        Account oneById = accountMapper.findOneById(17);
        System.err.println(oneById);
    
        //使用jackson 序列化java對(duì)象
        ObjectMapper objectMapper = new ObjectMapper();
        String msk = objectMapper.writerWithDefaultPrettyPrinter()
                .writeValueAsString(oneById);
        System.err.println(msk);
 }

Closing non transactional SqlSession [org.apache.ibatis.session.defaults.DefaultSqlSession@7135ce0a]
Account(id=17, username=ert, mobile=13273629312, mail=kew5612@163.com)
2023-07-05 20:28:38.536  INFO 17952 --- [           main] c.e.demo.plugin.MobileMskJsonSerializer  : mobilePhone數(shù)據(jù):13273629312脫敏后的值是:132****9312
2023-07-05 20:28:38.537  INFO 17952 --- [           main] c.e.demo.plugin.MailMskJsonSerializer    : email數(shù)據(jù):kew5612@163.com脫敏后的值是:k******@163.com
{
  "id" : 17,
  "username" : "ert",
  "mobile" : "132****9312",
  "mail" : "k******@163.com"
}

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