回答：如果不指定某个日期就使用 DATEDELTA(TODAY(),-1*WEEKDAY(TODAY())-7)实时模式：求上周周一时间：DATEDELTA(DATE(2020,07,28),-1*WEEKDAY(DATE(2020,07,28))-7)求上周周末时间：DATEDELTA(DATE(2020,07,28),-1*WEEKDAY(DATE(2020,07,28)))抽取模式：求上周周一时间：dateinweek(DATEDELTA(DATE(2020,7,28),-7),1)求上周周末时间：dateinweek(DATEDELTA(DATE(2020,7,28),-7),7)
