增加查询班级学生接口

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

@@ -8,7 +8,7 @@
 
     <resultMap type="com.ym.mec.biz.dal.entity.ClassGroupStudentMapper" id="ClassGroupStudentMapper">
         <result column="id_" property="id"/>
-        <result column="music_group_id_" property="musicGroupId">
+        <result column="music_group_id_" property="musicGroupId" />
         <result column="class_group_id_" property="classGroupId"/>
         <result column="user_id_" property="userId"/>
         <result column="create_time_" property="createTime"/>