班级教师添加返回内容

suser/src/main/resources/mapper/gradeclass/ClassMapper.xml

 
     <!--班级下教师，以及教师科目-->
     <select id="listTeacherSubject" resultType="java.util.Map">
-        select ct.teacherid,u.username teachername,sb.subjectid from t_class_teacher ct
+        select ct.teacherid,u.username teachername,u.loginname,sb.subjectid from t_class_teacher ct
         left join t_user u on ct.teacherid=u.userid
        left join t_teacher_powersb tp on ct.teacherid=tp.teacherid
         left join t_subject_book sb on tp.lsbid=sb.lsbid