教室管理增加具备多媒体、投影属性（添加+修改+查询条件+列表）

RuoYi-Vue/ruoyi-train/src/main/java/com/ruoyi/train/service/impl/TrainClassroomInfoServiceImpl.java

@@ -57,6 +57,9 @@ public class TrainClassroomInfoServiceImpl implements ITrainClassroomInfoService
         vo.setRoomStatus(classroom.getRoomStatus());
         vo.setRemark(classroom.getRemark());
         vo.setCreateTime(classroom.getCreateTime());
+        vo.setSeatArrange(classroom.getSeatArrange());
+        vo.setMultimedia(classroom.getMultimedia());
+        vo.setProjector(classroom.getProjector());
 
         // 按 bind_classroom_id 查询绑定的电子班牌（0..N），映射为轻量摘要 VO，无绑定时返回空列表 []
         TrainElectronicBoard boardQuery = new TrainElectronicBoard();

RuoYi-Vue/ruoyi-train/src/main/resources/mapper/train/TrainClassroomInfoMapper.xml

@@ -29,9 +29,11 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         <include refid="selectTrainClassroomInfoVo"/>
         where del_flag = '0'
         <if test="roomName != null  and roomName != ''"> and room_name like concat('%', #{roomName}, '%')</if>
-        <if test="roomLocation != null  and roomLocation != ''"> and room_location = #{roomLocation}</if>
+        <if test="roomLocation != null  and roomLocation != ''"> and room_location like concat('%', #{roomLocation}, '%')</if>
         <if test="capacity != null "> and capacity = #{capacity}</if>
         <if test="roomStatus != null "> and room_status = #{roomStatus}</if>
+        <if test="multimedia != null "> and multimedia = #{multimedia}</if>
+        <if test="projector != null "> and projector = #{projector}</if>
         <if test="createBy != null  and createBy != ''"> and create_by = #{createBy}</if>
         order by create_time desc
     </select>
@@ -80,9 +82,9 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             <if test="updateBy != null and updateBy != ''">#{updateBy},</if>
             <if test="updateTime != null">#{updateTime},</if>
             <if test="remark != null">#{remark},</if>
-            <if test="seatArrange != null">#{seatArrange}</if>
-            <if test="multimedia != null">#{multimedia}</if>
-            <if test="projector != null">#{projector}</if>
+            <if test="seatArrange != null">#{seatArrange},</if>
+            <if test="multimedia != null">#{multimedia},</if>
+            <if test="projector != null">#{projector},</if>
          </trim>
     </insert>