#单位属性去重

hzims-service/hzims-scheduled/src/main/java/com/hnac/hzims/scheduled/service/operation/station/impl/StationAttributeServiceImpl.java

@@ -9,8 +9,7 @@ import org.springblade.core.mp.base.BaseServiceImpl;
 import org.springblade.core.tool.utils.CollectionUtil;
 import org.springframework.stereotype.Service;
 
-import java.util.List;
+import java.util.*;
-import java.util.Map;
 import java.util.stream.Collectors;
 
 /**
@@ -31,6 +30,8 @@ public class StationAttributeServiceImpl extends BaseServiceImpl<StationAttribut
 		if(CollectionUtil.isEmpty(list)){
 			return null;
 		}
-		return list.stream().collect(Collectors.toMap(StationAttributeEntity::getAttributes, StationAttributeEntity::getUnit));
+		// 属性去重
+		return list.stream().collect(Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(StationAttributeEntity::getAttributes))), ArrayList::new))
+				.stream().collect(Collectors.toMap(StationAttributeEntity::getAttributes, StationAttributeEntity::getUnit));
 	}
 }