若依原生框架中的脱敏功能不够灵活（默认超级管理员不脱敏，其他则脱敏）。
有时候，我们有些接口想要脱敏，但是有些接口又不想脱敏。（例如列表查询的时候脱敏。修改的时候，不想数据脱敏）
1、在com.ruoyi.common.config.serializer 中新建类SensitiveConditionSerializer
package com.ruoyi.common.config.serializer;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 com.ruoyi.common.annotation.SensitiveCondition;
import com.ruoyi.common.enums.DesensitizedType;
import org.springframework.util.ReflectionUtils;
import org.springframework.util.StringUtils;import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.Method;/*** 条件数据脱敏序列化器（新版，支持DesensitizedType）*/
public class SensitiveConditionSerializer extends JsonSerializer<String> implements ContextualSerializer {private SensitiveCondition sensitive;private DesensitizedType desensitizedType;public SensitiveConditionSerializer() {}public SensitiveConditionSerializer(SensitiveCondition sensitive, DesensitizedType desensitizedType) {this.sensitive = sensitive;this.desensitizedType = desensitizedType;}@Overridepublic void serialize(String value, JsonGenerator gen, SerializerProvider serializers) throws IOException {if (value == null) {gen.writeNull();return;}boolean needDesensitize = false;Object currentObj = gen.getCurrentValue();// 判断是否需要脱敏if (sensitive != null) {if (StringUtils.hasLength(sensitive.conditionMethod())) {// 通过方法判断Method method = ReflectionUtils.findMethod(currentObj.getClass(), sensitive.conditionMethod());if (method != null) {try {needDesensitize = (boolean) ReflectionUtils.invokeMethod(method, currentObj);} catch (Exception e) {needDesensitize = false;}}} else if (StringUtils.hasLength(sensitive.conditionField())) {// 通过字段判断Field field = ReflectionUtils.findField(currentObj.getClass(), sensitive.conditionField());if (field != null) {field.setAccessible(true);try {needDesensitize = (boolean) field.get(currentObj);} catch (Exception e) {needDesensitize = false;}}}}// 根据条件决定是否脱敏if (needDesensitize && desensitizedType != null) {gen.writeString(desensitizedType.desensitizer().apply(value));} else {gen.writeString(value);}}@Overridepublic JsonSerializer<?> createContextual(SerializerProvider prov, BeanProperty property) throws JsonMappingException {if (property != null) {SensitiveCondition anno = property.getAnnotation(SensitiveCondition.class);if (anno == null) {anno = property.getContextAnnotation(SensitiveCondition.class);}if (anno != null) {// 从注解里拿typeDesensitizedType type = anno.type();return new SensitiveConditionSerializer(anno, type);}}return this;}
}2、在 com.ruoyi.common.annotation中新建注解SensitiveCondition
package com.ruoyi.common.annotation;import com.fasterxml.jackson.annotation.JacksonAnnotationsInside;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import com.ruoyi.common.config.serializer.SensitiveConditionSerializer;
import com.ruoyi.common.enums.DesensitizedType;import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;/*** 条件数据脱敏注解*/
@Target(ElementType.FIELD)
@Retention(RetentionPolicy.RUNTIME)
@JacksonAnnotationsInside
@JsonSerialize(using = SensitiveConditionSerializer.class)
public @interface SensitiveCondition {/*** 脱敏类型*/DesensitizedType type();/*** 判断是否需要脱敏的方法名* 该方法需要定义在实体类中，返回boolean类型*/String conditionMethod() default "";/*** 判断是否需要脱敏的字段名* 该字段需要定义在实体类中，类型为boolean*/String conditionField() default "";
}
3、在 com.ruoyi.common.core.domain的基类BaseEntity中，添加属性needDesensitize
/** 是否需要脱敏 */@JsonIgnoreprivate boolean needDesensitize = true;public boolean isNeedDesensitize() {return needDesensitize;}public void setNeedDesensitize(boolean needDesensitize) {this.needDesensitize = needDesensitize;}4、在需要数据脱敏的实体类字段上方写注解
//eg: 用户类SysUser中/** 用户昵称 */@Excel(name = "用户名称")@SensitiveCondition(type = DesensitizedType.USERNAME, conditionField = "needDesensitize")private String nickName;/** 用户邮箱 */@Excel(name = "用户邮箱")@SensitiveCondition(type = DesensitizedType.EMAIL, conditionField = "needDesensitize")private String email;/** 手机号码 */@Excel(name = "手机号码", cellType = ColumnType.TEXT)@SensitiveCondition(type = DesensitizedType.PHONE, conditionField = "needDesensitize")private String phonenumber;5、控制方式（使用方法）
// 默认情况下会脱敏（needDesensitize默认为true）
PersonInfo person = personInfoMapper.selectPersonInfoById(1L);
System.out.println(person.getName()); // 输出：张*丰// 不需要脱敏的场景
person.setNeedDesensitize(false);
System.out.println(person.getName()); // 输出：张三丰------------------------------------------------------1、 在需要控制脱敏的地方，可以通过以下方式控制【通过字段控制】：// 在Service层或Controller层public List<SysUser> getPersonInfoList() {List<SysUser> list = personInfoMapper.selectPersonInfoList();// 某些情况下不需要脱敏if (某些条件) {list.forEach(person -> person.setNeedDesensitize(false));}return list;}2、通过方法控制（如果您选择使用conditionMethod）@SensitiveCondition(type = DesensitizedType.USERNAME, conditionMethod = "shouldDesensitize")private String name;public boolean shouldDesensitize() {// 根据业务逻辑决定是否脱敏，例如判断是否管理员return !SecurityUtils.isAdmin();}
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优点：
完全兼容原有的脱敏功能
可以灵活控制是否脱敏
支持多种控制方式（字段、方法）
易于扩展和维护
性能影响小，只在序列化时进行处理
