公交路线backType字段为空问题处理

bus-biz/src/main/java/bus/service/impl/BCourseInfoServiceImpl.java

@@ -77,7 +77,7 @@ public class BCourseInfoServiceImpl extends ServiceImpl<BCourseInfoMapper, BCour
         queryWrapper.eq("course_id", id);
         queryWrapper.orderByAsc("sort");
         List<BCourseTimePo> list = bCourseTimeService.list(queryWrapper);
-        Map<String,  List<BCourseTimePo>> map = list.stream().collect(Collectors.groupingBy(BCourseTimePo::getBackType));
+        Map<String,  List<BCourseTimePo>> map = list.stream().filter(item->item.getBackType() != null).collect(Collectors.groupingBy(BCourseTimePo::getBackType));
         bCourseInfoDto.setBCourseTimeList(BeanUtil.copyToList(map.get("0"), BCourseTimeDto.class));
         bCourseInfoDto.setBCourseTimeBackList(BeanUtil.copyToList(map.get("1"), BCourseTimeDto.class));
 
@@ -85,7 +85,7 @@ public class BCourseInfoServiceImpl extends ServiceImpl<BCourseInfoMapper, BCour
         queryWrapper6.eq("course_id", id);
         queryWrapper6.orderByAsc("sort");
         List<BCoursePrePo> list6 = bCoursePreService.list(queryWrapper6);
-        Map<String,  List<BCoursePrePo>> map1 = list6.stream().collect(Collectors.groupingBy(BCoursePrePo::getBackType));
+        Map<String,  List<BCoursePrePo>> map1 = list6.stream().filter(item->item.getBackType() != null).collect(Collectors.groupingBy(BCoursePrePo::getBackType));
         bCourseInfoDto.setBCoursePreList(BeanUtil.copyToList(map1.get("0"), BCoursePreDto.class));
         bCourseInfoDto.setBCoursePreBackList(BeanUtil.copyToList(map1.get("1"), BCoursePreDto.class));