/** * 班级添加学生 * * @param userId 学乐号 * @param classId 班级ID */ @Override public int saveStudents(String userId, String classId) { String[] userIds = userId.split(","); String schoolId = classService.getSchoolId(classId); MClass mClass = classMapper.selectByPrimaryKey(classId, schoolId); int in = studentMapper.updateStudents(Arrays.asList(userIds), mClass); // 学生换班,删除该家长的缓存信息 deleteRedisOfParent(Arrays.asList(userIds), schoolId); return in; }