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1.aop

启动类加@EnableAspectJAutoProxy

自定义注解，在实体类中使用表示被脱敏字段

建立aop切面类

可能这里gpt会建议你用@Pointcut("execution(public * com.xx.aop..*.get*(..))")这种方式拦截，这种我试了，拦截不住。猜测在mvc返回的时候，已经不被aop拦住了，除非手动调用。并且get方式还要user成为bean，不值当。直接拦截controller包吧。

2.Jackson

序列化类

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.BeanProperty;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.ser.ContextualSerializer;import java.io.IOException;public class DesensitizeSerializer extends JsonSerializer<String> implements ContextualSerializer {private SensitiveType type;private int startInclude;private int endExclude;public DesensitizeSerializer() {this.type = SensitiveType.COMMON;}public DesensitizeSerializer(SensitiveType type) {this.type = type;}@Overridepublic void serialize(String value, JsonGenerator gen, SerializerProvider serializers) throws IOException, IOException {switch (type) {case COMMON:gen.writeString(MsgDesensitizedUtil.commonStr(value));break;case ID_CARD:gen.writeString(MsgDesensitizedUtil.idCardNum(value));break;case PHONE_NUMBER:gen.writeString(MsgDesensitizedUtil.mobilePhone(value));break;case EMAIL:gen.writeString(MsgDesensitizedUtil.email(value));break;default:throw new RuntimeException("未知脱敏类型");}}@Overridepublic JsonSerializer<?> createContextual(SerializerProvider prov, BeanProperty property) {if (property != null) {SensitiveData annotation = property.getAnnotation(SensitiveData.class);if (annotation != null) {this.type = annotation.value();}}return this;}}

针对多种类型的脱敏枚举类

在实体中添加就行了，不需要把自定义序列化加载到SimpleModule里