wumei-smart-master/springboot/wumei-iot/src/main/java/com/ruoyi/iot/mapper/DeviceMapper.java
@@ -197,13 +197,13 @@
     */
    public int deleteDeviceByDeviceIds(Long[] deviceIds);
//    /**
//     * 查询设备序列号的数量
//     *
//     * @param deviceNum
//     * @return
//     */
//    public int getDeviceNumCount(String deviceNum);
    /**
     * 查询设备序列号的数量
     *
     * @param deviceNum
     * @return
     */
    public int getDeviceNumCount(String deviceNum);
    /**
     * 根据设备IDS删除设备分组