美甲师排版去重

src/main/java/com/gogirl/application/store/store/impl/StoreClassesTechnicianServiceImpl.java

@@ -25,9 +25,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.List;
+import java.util.*;
 import java.util.stream.Collectors;
 
 
@@ -86,6 +84,8 @@ public class StoreClassesTechnicianServiceImpl extends ServiceImpl<StoreClassesT
             }
             storeTechnician.setId(storeTechnician.getTechnicianId());
         });
+        list = list.stream()
+                .collect(Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(StoreTechnician::getId))), ArrayList::new));
         list.sort(Comparator.comparing(StoreTechnician::getId));
         return list;
     }