update

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

@@ -990,7 +990,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched
 		}
 
 		if (studentAttendanceList != null && studentAttendanceList.size() > 0) {
-			studentAttendanceDao.batchUpdate(studentAttendanceList);
+			studentAttendanceDao.addStudentAttendances(studentAttendanceList);
 		}
 		
 		//自动更新课程状态至“已结束”

mec-biz/src/main/resources/config/mybatis/CourseScheduleMapper.xml

@@ -1390,12 +1390,13 @@
     </delete>
     
     <select id="queryUnsignedStudentList" resultMap="StudentAttendance">
-        SELECT a.*,cg.current_class_times_ FROM (SELECT cgsm.user_id_,cs.actual_teacher_id_ teacher_id_,cs.id_ course_schedule_id_,cs.class_group_id_,cs.music_group_id_,cs.group_type_
+        SELECT a.*,cg.current_class_times_ FROM (SELECT cgsm.user_id_,cs.actual_teacher_id_ teacher_id_,
+        cs.id_ course_schedule_id_,cs.class_group_id_,cs.music_group_id_,cs.group_type_
         FROM class_group_student_mapper cgsm
         right JOIN course_schedule cs ON cgsm.class_group_id_ = cs.class_group_id_
         WHERE cgsm.status_ = 'NORMAL' AND CONCAT(cs.class_date_,' ',cs.end_class_time_) &lt;= now()) a
         LEFT JOIN student_attendance sa ON a.course_schedule_id_ = sa.course_schedule_id_
-        LEFT JOIN class_group cg ON a.class_group_id_ = cg.id_ WHERE sa.user_id_ IS null
+        LEFT JOIN class_group cg ON a.class_group_id_ = cg.id_ WHERE sa.id_ IS NULL
     </select>
     <select id="getNextCourseSchedule" resultMap="CourseSchedule">
         SELECT