package com.whyc.service; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.core.toolkit.Wrappers; import com.whyc.dto.Response; import com.whyc.mapper.InspectionRecordMapper; import com.whyc.pojo.InspectionRecord; import org.springframework.stereotype.Service; import javax.annotation.Resource; @Service public class InspectionRecordService { @Resource private InspectionRecordMapper mapper; /*public Response start() { //获取记录内最大的编号 QueryWrapper query = Wrappers.query(); query.select("num").orderByDesc("id").last(" limit 1"); InspectionRecord recordInDB = mapper.selectOne(query); int numNew = 1; if(recordInDB != null){ numNew = recordInDB.getNum() + 1; } }*/ }