refactor: 优化RFID相关Mapper查询逻辑与关联关系

1. 移除RfidLocationMapper.xml冗余的末尾空格
2. 新增设备统计和看板统计的聚合查询方法
3. 补全读取记录的设备编码字段与位置关联查询
4. 优化多表联合查询的字段映射逻辑

ruoyi-modules/hw-rfid/src/main/resources/mapper/rfid/RfidDeviceMapper.xml

@@ -88,6 +88,25 @@
         </if>
     </select>
 
+    <!-- 看板高频刷新场景合并统计，避免同一张设备表被连续扫描四次 -->
+    <select id="selectMarkedDeviceStatistics" resultType="org.dromara.rfid.domain.vo.DashboardVO$StatisticsOverview">
+        select count(1) as deviceTotal,
+               coalesce(sum(case when t.online_status = '1' then 1 else 0 end), 0) as onlineCount,
+               coalesce(sum(case when t.online_status = '0' then 1 else 0 end), 0) as offlineCount,
+               coalesce(sum(case when t.alarm_status = '1' then 1 else 0 end), 0) as alarmCount
+        from rfid_device t
+        where t.is_marked = '1'
+    </select>
+
+    <!-- 旧首页统计接口保留原有“全设备”口径，只将多次 count 合并为一次聚合 -->
+    <select id="selectDashboardStats" resultType="org.dromara.rfid.domain.vo.RfidDashboardStatsVo">
+        select count(1) as totalDevices,
+               coalesce(sum(case when t.online_status = '1' then 1 else 0 end), 0) as onlineDevices,
+               coalesce(sum(case when t.online_status = '0' then 1 else 0 end), 0) as offlineDevices,
+               coalesce(sum(case when t.alarm_status = '1' then 1 else 0 end), 0) as alarmDevices
+        from rfid_device t
+    </select>
+
     <!-- 分页查询（带自定义条件） -->
     <select id="selectCustomRfidDeviceVoPage" resultMap="RfidDeviceResult">
         select t.id,

ruoyi-modules/hw-rfid/src/main/resources/mapper/rfid/RfidReadRecordMapper.xml

@@ -11,8 +11,9 @@
     <select id="selectCustomRfidReadRecordVoList" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t.read_status,
                TRIM(t.barcode) as barcode,
                t.record_time,
@@ -22,6 +23,7 @@
                t.alarm_action
         from ${tableName} t
         left join rfid_device d on t.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         <if test="ew != null">
             ${ew.customSqlSegment}
         </if>
@@ -33,8 +35,9 @@
     <select id="selectCustomRfidReadRecordVoListMultiTable" resultMap="RfidReadRecordResult">
         select combined.id,
                combined.device_id,
-               d.device_code as deviceCode,
+               combined.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                combined.read_status,
                TRIM(combined.barcode) as barcode,
                combined.record_time,
@@ -46,6 +49,7 @@
             <foreach collection="tableNames" item="tbl" separator=" UNION ALL ">
                 select t.id,
                        t.device_id,
+                       t.device_code,
                        t.read_status,
                        TRIM(t.barcode) as barcode,
                        t.record_time,
@@ -60,6 +64,7 @@
             </foreach>
         ) combined
         left join rfid_device d on combined.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         order by combined.record_time desc
     </select>
 
@@ -67,8 +72,9 @@
     <select id="selectCustomRfidReadRecordVoById" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t.read_status,
                TRIM(t.barcode) as barcode,
                t.record_time,
@@ -78,6 +84,7 @@
                t.alarm_action
         from ${tableName} t
         left join rfid_device d on t.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         where t.id = #{id}
     </select>
 
@@ -85,8 +92,9 @@
     <select id="selectCustomRfidReadRecordVoByIds" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t.read_status,
                TRIM(t.barcode) as barcode,
                t.record_time,
@@ -96,6 +104,7 @@
                t.alarm_action
         from ${tableName} t
         left join rfid_device d on t.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         where t.id in
         <foreach collection="ids" item="id" open="(" separator="," close=")">
             #{id}
@@ -128,8 +137,9 @@
     <select id="selectCustomRfidReadRecordVoPage" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t.read_status,
                TRIM(t.barcode) as barcode,
                t.record_time,
@@ -139,6 +149,7 @@
                t.alarm_action
         from ${tableName} t
         left join rfid_device d on t.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         <if test="ew != null">
             ${ew.customSqlSegment}
         </if>
@@ -150,8 +161,9 @@
     <select id="selectCustomRfidReadRecordVoPageMultiTable" resultMap="RfidReadRecordResult">
         select combined.id,
                combined.device_id,
-               d.device_code as deviceCode,
+               combined.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                combined.read_status,
                TRIM(combined.barcode) as barcode,
                combined.record_time,
@@ -163,6 +175,7 @@
             <foreach collection="tableNames" item="tbl" separator=" UNION ALL ">
                 select t.id,
                        t.device_id,
+                       t.device_code,
                        t.read_status,
                        TRIM(t.barcode) as barcode,
                        t.record_time,
@@ -177,6 +190,7 @@
             </foreach>
         ) combined
         left join rfid_device d on combined.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         order by combined.record_time desc
     </select>
 
@@ -185,6 +199,7 @@
         insert into ${tableName}(
             id,
             device_id,
+            device_code,
             read_status,
             barcode,
             record_time,
@@ -196,6 +211,7 @@
         values (
             #{entity.id},
             #{entity.deviceId},
+            #{entity.deviceCode},
             #{entity.readStatus},
             #{entity.barcode},
             #{entity.recordTime},
@@ -211,6 +227,7 @@
         insert into ${tableName}(
             id,
             device_id,
+            device_code,
             read_status,
             barcode,
             record_time,
@@ -224,6 +241,7 @@
             (
             #{item.id},
             #{item.deviceId},
+            #{item.deviceCode},
             #{item.readStatus},
             #{item.barcode},
             #{item.recordTime},
@@ -242,6 +260,9 @@
             <if test="entity.deviceId != null">
                 device_id = #{entity.deviceId},
             </if>
+            <if test="entity.deviceCode != null">
+                device_code = #{entity.deviceCode},
+            </if>
             <if test="entity.readStatus != null and entity.readStatus != ''">
                 read_status = #{entity.readStatus},
             </if>
@@ -275,6 +296,9 @@
                 <if test="item.deviceId != null">
                     device_id = #{item.deviceId},
                 </if>
+                <if test="item.deviceCode != null">
+                    device_code = #{item.deviceCode},
+                </if>
                 <if test="item.readStatus != null and item.readStatus != ''">
                     read_status = #{item.readStatus},
                 </if>
@@ -352,8 +376,9 @@
     <select id="selectLatestRecordByDevice" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t.read_status,
                TRIM(t.barcode) as barcode,
                t.record_time,
@@ -376,6 +401,7 @@
             group by device_id
         ) latest on t.device_id = latest.device_id and t.record_time = latest.max_time
         left join rfid_device d on t.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         order by t.device_id
     </select>
 
@@ -383,8 +409,9 @@
     <select id="selectLatestRecordByDeviceMultiTable" resultMap="RfidReadRecordResult">
         select combined.id,
                combined.device_id,
-               d.device_code as deviceCode,
+               combined.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                combined.read_status,
                TRIM(combined.barcode) as barcode,
                combined.record_time,
@@ -394,11 +421,11 @@
                combined.alarm_action
         from (
             <!-- 合并所有分表数据，按设备分组取最新记录 -->
-            select t1.id, t1.device_id, t1.read_status, t1.barcode, t1.record_time,
+            select t1.id, t1.device_id, t1.device_code, t1.read_status, t1.barcode, t1.record_time,
                    t1.alarm_flag, t1.alarm_level, t1.alarm_type, t1.alarm_action
             from (
                 <foreach collection="tableNames" item="tbl" separator=" UNION ALL ">
-                    select id, device_id, read_status, barcode, record_time,
+                    select id, device_id, device_code, read_status, barcode, record_time,
                            alarm_flag, alarm_level, alarm_type, alarm_action
                     from ${tbl}
                     <where>
@@ -430,6 +457,7 @@
             ) latest on t1.device_id = latest.device_id and t1.record_time = latest.max_time
         ) combined
         left join rfid_device d on combined.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         order by combined.device_id
     </select>
 
@@ -450,7 +478,7 @@
     <select id="selectAlarmRecordList" resultMap="RfidReadRecordResult">
         select t.id,
                t.device_id,
-               d.device_code as deviceCode,
+               t.device_code as deviceCode,
                d.device_name as deviceName,
                l.location_alias as locationAlias,
                t.read_status,
@@ -476,8 +504,9 @@
     <select id="selectWithSampling" resultMap="RfidReadRecordResult">
         select t1.id,
                t1.device_id,
-               d.device_code as deviceCode,
+               t1.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                t1.read_status,
                TRIM(t1.barcode) as barcode,
                t1.record_time,
@@ -487,6 +516,7 @@
                t1.alarm_action
         from ${tableName} t1
         left join rfid_device d on t1.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         inner join (
             <!-- 子查询：按 device_id + time_slot 分组，取每个时间槽的最新记录 -->
             select
@@ -507,8 +537,9 @@
     <select id="selectWithSamplingMultiTable" resultMap="RfidReadRecordResult">
         select sampled.id,
                sampled.device_id,
-               d.device_code as deviceCode,
+               sampled.device_code as deviceCode,
                d.device_name as deviceName,
+               l.location_alias as locationAlias,
                sampled.read_status,
                TRIM(sampled.barcode) as barcode,
                sampled.record_time,
@@ -520,6 +551,7 @@
             <foreach collection="tableNames" item="tbl" separator=" UNION ALL ">
                 select t1.id,
                        t1.device_id,
+                       t1.device_code,
                        t1.read_status,
                        TRIM(t1.barcode) as barcode,
                        t1.record_time,
@@ -543,6 +575,7 @@
             </foreach>
         ) sampled
         left join rfid_device d on sampled.device_id = d.id
+        left join rfid_location l on d.location_id = l.id
         order by sampled.device_id asc, sampled.record_time desc
     </select>