update

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ClassGroupServiceImpl.java

@@ -1402,7 +1402,8 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
     @Transactional(rollbackFor = Exception.class)
     public ClassGroup classGroupUpdate(ClassGroup4MixDto classGroup4MixDto) throws Exception {
         Date date = new Date();
-        ClassGroup classGroup = classGroupDao.get(classGroup4MixDto.getClassGroupId());
+        Integer classGroupId = classGroup4MixDto.getClassGroupId();
+        ClassGroup classGroup = classGroupDao.get(classGroupId);
         if (classGroup == null) {
             throw new BizException("班级不存在");
         }
@@ -1423,6 +1424,10 @@ public class ClassGroupServiceImpl extends BaseServiceImpl<Integer, ClassGroup>
                 teacherAttendanceDao.batchDeleteByCourseSchedules(courseScheduleIds);
                 courseScheduleStudentPaymentDao.deleteByCourseSchedule(courseScheduleIds);
             }
+        }else if(classGroup4MixDto.getCourseAddType().equals("onlyUpdateTeacher")){
+        	//更新班级老师
+        	
+        	return classGroup;
         }
 
         classGroupService.updateTotalClassTimes(classGroup.getId().longValue(),courseTimes);