使用函数Year及CurDate的组合: Year(CurDate())
select date_format(min(date),'%Y-%m-%d') as mindate, date_format(max(date),'%Y-%m-%d') as maxdate, weekofyear(date) as weekyear, format(sum(hours),2) as sumhours from daywork where userid='myid' and date_format(date,'%Y')=Year(CurDate()) group by weekyear order by weekyear