用户信息脱敏

hutool工具包;

定义手机号和证件号的 Jackson 自定义序列化器，并在对应需要脱敏的敏感字段上指定自定义序列化器;

# 手机号码序列化器

public class PhoneDesensitizationSerializer extends JsonSerializer<String> {
    @Override
    public void serialize(String phone, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        String phoneDesensitization = DesensitizedUtil.mobilePhone(phone);
        jsonGenerator.writeString(phoneDesensitization);
    }
}

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# 身份证号序列化器

public class IdCardDesensitizationSerializer extends JsonSerializer<String> {
    @Override
    public void serialize(String idCard, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        String phoneDesensitization = DesensitizedUtil.idCardNum(idCard, 4, 4);
        jsonGenerator.writeString(phoneDesensitization);
    }
}

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# 脱敏字段上自定义序列化器

@Data
@Accessors(chain = true)
public class UserRespDTO {

    /**
     * 证件号码
     */
    @JsonSerialize(using = IdCardDesensitizationSerializer.class)
    private String idCard;

    /**
     * 手机号
     */
    @JsonSerialize(using = PhoneDesensitizationSerializer.class)
    private String phone;
}

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