package com.whyc.service;

import com.whyc.mapper.StationPowerRelationMapper;
import com.whyc.pojo.db_batt.StationPowerRelation;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

@Service
public class StationPowerRelationService {

    @Resource
    private StationPowerRelationMapper mapper;

    public void add(int stationId, int powerId) {
        StationPowerRelation relation = new StationPowerRelation();
        relation.setStationId(stationId);
        relation.setPowerId(powerId);
        //获取最大num
        int num = mapper.getMaxNum();
        relation.setNum(num+1);
        mapper.insert(relation);
    }
}