删除班级，作业发布控制

applications/school/school-server/src/main/java/com/usoftchina/smartschool/school/exception/BizExceptionCode.java

@@ -17,7 +17,7 @@ public enum BizExceptionCode implements BaseExceptionCode {
     NONCLAZZ(500005, "班级名称不存在"),
     REPEAT_TEACHER_NUMBER(500006, "教师工号重复"),
     NONSTU(500006, "学生不存在"),
-    EXISTS_TEACHER(500004,"存在教师,无法删除"),
+    EXISTS_TEACHER(500004,"存在任课教师,无法删除"),
     EXISTS_CURRICULUM(500005,"存在课表,无法删除"),
     EXISTS_TEACHER_CLASS(500006,"存在任课班级,无法删除"),
     TEACHERS_EXISTS_CLASS(500006,"%s存在任课班级,无法删除"),

applications/school/school-server/src/main/resources/mapper/HomeWorkMapper.xml

@@ -260,7 +260,7 @@
     </select>
 
     <select id="homeWorkRelease" parameterType="long" resultType="integer">
-      select count(1) from sys_clazz left join task_notify on sys_clazz.clazz_name=task_notify.classz_name
+      select count(1) from sys_clazz left join task_notify on sys_clazz.clazz_nickname= concat (task_notify.grade_name,task_notify.classz_name)
       where sys_clazz.clazz_id = #{id} and task_notify.task_status=1
   </select>
 </mapper>