package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.whyc.mapper.DeviceStateMapper;
import com.whyc.pojo.db_ram_db.BattRtstate;
import com.whyc.pojo.db_ram_db.DeviceState;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class DeviceStateService {
    @Autowired(required = false)
    private DeviceStateMapper mapper;
    //实时获取设备信息
    public DeviceState getDevRealInfo(Integer devId) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("dev_id",devId);
        wrapper.last("limit 1");
        DeviceState dev=mapper.selectOne(wrapper);
        return dev;
    }
}