mask替换相关接口--未完善版，暂存

src/main/java/com/ai/da/service/UserLikeService.java

@@ -5,6 +5,7 @@ import com.ai.da.model.vo.UserLikeVO;
 import com.baomidou.mybatisplus.extension.service.IService;
 
 import java.util.List;
+import java.util.Map;
 
 /**
  * 服务类
@@ -25,4 +26,6 @@ public interface UserLikeService extends IService<UserLike> {
     void updateDate(Long designItemId,String timeZone);
 
     List<UserLike> getUserLikeList(Long id);
+
+    List<Map<String, Long>> getHistoryLikeWithGradient();
 }