feat(student): 添加教师关联查询功能

web-infrastructure/src/main/resources/mapper/study/StudentMapper.xml

@@ -314,6 +314,7 @@
         and c.delete_enum = 'FALSE'
         and c.state != 1
         left join user u on u.phone = s.phone and u.delete_enum = 'FALSE'
+        left join teacher t on t.id = c.teacher_id
         left join user tea on c.teacher_id = tea.id and tea.delete_enum = 'FALSE'
         <where>
             s.delete_enum = 'FALSE'