##当期销售金额 select SUM(ls.sale_amount) from test_sale_amount ls where ls.order_date>="2021/11/1" and ls.order_date<=CURDATE() ##同比期销售金额 select SUM(ls.sale_amount) from test_sale_amount ls where ls.order_date>="2020/11/1" and ls.order_date<=concat("2020/11/",date_format(curdate(),"%d"))#构造当日同比日期