update

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

@@ -372,6 +372,23 @@
             #{userId}
         </foreach>
     </select>
+    <select id="queryUserNameByIdList" resultType="java.util.Map">
+        select id_ `key`,IF(username_ IS NUll,real_name_,username_) `value` FROM sys_user s WHERE id_ IN
+        <foreach collection="userIds" item="userId" separator="," open="(" close=")">
+            #{userId}
+        </foreach>
+    </select>
+
+    <select id="querySubjectNameByIdList" resultType="java.util.Map">
+        select t.id_ `key`,GROUP_CONCAT(s.name_) `value`
+        FROM teacher t
+        LEFT JOIN subject s ON FIND_IN_SET(s.id_,t.subject_id_)
+        WHERE t.id_ IN
+        <foreach collection="userIds" item="userId" separator="," open="(" close=")">
+            #{userId}
+        </foreach>
+        GROUP BY t.id_
+    </select>
 
     <select id="queryPhoneByIds" resultType="java.util.Map" parameterType="list">
         select id_ `key`,phone_ `value` FROM sys_user s WHERE FIND_IN_SET(id_,#{userIds}) AND s.phone_ IS NOT NULL
@@ -1244,4 +1261,7 @@
         SELECT GROUP_CONCAT(real_name_) FROM sys_user su
         WHERE FIND_IN_SET(su.id_,#{teachingTeacherIds})
     </select>
+    <select id="queryAllIds" resultType="java.lang.Integer">
+        SELECT id_ FROM sys_user
+    </select>
 </mapper>