修改设备类型

fys-modules/fys-equipment/src/main/resources/mapper/equipment/DeviceMapper.xml

@@ -497,4 +497,11 @@
         FROM device a left join device_type b on a.device_type = b.id where b.communication_mode in (0, 2) and a.online_status in (1,2)
     </select>
 
+    <!-- 根据设备类型ID查询设备数量 -->
+    <select id="countByDeviceTypeId" resultType="int">
+        SELECT COUNT(*)
+        FROM device
+        WHERE device_type = #{deviceTypeId}
+    </select>
+
 </mapper>