package com.whyc.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.whyc.mapper.PowerheartParamMapper;
import com.whyc.pojo.db_param.PowerheartParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class PowerheartParamService {
    @Autowired(required = false)
    private PowerheartParamMapper mapper;
    //获取前笔数*时间间隔
    public PowerheartParam getHeartParamByPowerId(Integer powerId) {
        QueryWrapper wrapper=new QueryWrapper();
        wrapper.eq("powerId",powerId);
        wrapper.last("limit 1");
        return mapper.selectOne(wrapper);
    }
}