package com.whyc.service; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.whyc.mapper.BattresdataInfMapper; import com.whyc.pojo.db_batt_testdata.BattresdataInf; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; @Service public class BattresdataInfService { @Autowired(required = false) private BattresdataInfMapper mapper; //上一次内阻测试数据 public BattresdataInf getLastTestData(Integer battgroupId) { QueryWrapper wrapper = new QueryWrapper(); wrapper.eq("battgroup_id", battgroupId); wrapper.last(" limit 1"); wrapper.last(" ORDER BY test_starttime DESC "); BattresdataInf rinf = mapper.selectOne(wrapper); return rinf; } }