date_format
select date_format('2020-01-22','%Y/%m/%d');
date_sub
select DATE_SUB('2020-12-22',INTERVAL 10 day)
项目使用
date_format(date_sub(ed, INTERVAL 7 DAY), '%Y/%m/%d')
https://www.w3school.com.cn/sql/func_date_format.asp
select date_format('2020-01-22','%Y/%m/%d');
select DATE_SUB('2020-12-22',INTERVAL 10 day)
date_format(date_sub(ed, INTERVAL 7 DAY), '%Y/%m/%d')
https://www.w3school.com.cn/sql/func_date_format.asp