[update] review-代码逻辑优化

signal-optimize-service/src/main/java/net/wanji/opt/service/impl/TrendServiceImpl.java

@@ -2052,7 +2052,7 @@ public class TrendServiceImpl implements TrendService {
         resultPojo.setDirName(BaseEnum.SignalDirectionEnum.getNameByCode(dir));
         resultPojo.setOverflowId(String.valueOf(dir));
         resultPojo.setOverflowNums(overflowNums);
-        resultPojo.setSpeed(Math.round(meanV / dirList.size() * 100) / 100);
+        resultPojo.setSpeed( Math.round((meanV / dirList.size()) * 100) / 100.0);
         resultPojo.setVehicleLengthRatio(Math.round(vehicleLengthRatio / dirList.size() * 100));
         return resultPojo;
     }
@@ -2064,9 +2064,7 @@ public class TrendServiceImpl implements TrendService {
         int pageNum = laneSnapshotIndexVO.getPageNum();
         boolean overFlow = laneSnapshotIndexVO.isOverFlow();
         // 查询秒级数据
-        List<CrossLaneSnapshotDataDTO> dtoList =
-                laneSnapshotDataQueryService.queryByCrossIdAndTimeSpan(crossId, start, end, pageNum, null, overFlow);
-        return dtoList;
+        return laneSnapshotDataQueryService.queryByCrossIdAndTimeSpan(crossId, start, end, pageNum, null, overFlow);
     }
 
     @Override