空值判断

src/main/java/com/imed/costaccount/service/impl/CostShareParamServiceImpl.java

@@ -23,10 +23,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.Objects;
+import java.util.*;
 import java.util.stream.Collectors;
 
 
@@ -185,7 +182,7 @@ public class CostShareParamServiceImpl extends ServiceImpl<CostShareParamMapper,
             List<Integer> collect = Arrays.stream(split).map(Integer::valueOf).collect(Collectors.toList());
             return collect;
         }else {
-            return null;
+            return Collections.emptyList();
         }