select sum(1) as years,
(select sum(1) from `表名` where  date_format( 时间字段名, '%y%m' ) = date_format( curdate( ) , '%y%m')) as months,
(select sum(1) from `表名` where to_days(时间字段名) = to_days(now()))as days
from `表名` where year(regtime)=year(now())

当天  select * from 表名 where to_days(时间字段名) = to_days(now());

昨天  select * from 表名 where to_days( now( ) ) – to_days( 时间字段名) <= 1

一周  select * from 表名 where date_sub(curdate(), interval 7 day) <= date(时间字段名)

近30天 select * from 表名 where date_sub(curdate(), interval 30 day) <= date(时间字段名)

本月   select * from 表名 where date_format( 时间字段名, ‘%y%m’ ) = date_format( curdate( ) , ‘%y%m’ )

上一月  select * from 表名 where period_diff( date_format( now( ) , ‘%y%m’ ) , date_format( 时间字段名, ‘%y%m’ ) ) =1

#查询本周记录
select * from ht_invoice_information where weekofyear(create_date)=weekofyear(now());
#查询上周记录
select * from ht_invoice_information where create_date>=date_add(now(),interval -(8 + weekday(now())) day) and create_date<=date_add(now(),interval -(1 + weekday(now())) day);

--//或者
select * from `ht_invoice_information` where weekofyear(create_date)=weekofyear(date_sub(now(),interval 1 week));
#查询本月数据
select * from ht_invoice_information where month(create_date)=month(now()) and year(create_date)=year(now());
#查询上月数据
select * from ht_invoice_information where create_date<=last_day(date_add(now(),interval -1 month)) and create_date>=date_format(concat(extract(year_month from date_add(now(),interval -1 month)),’01′),’%y-%m-%d’);

--//或者
select * from `ht_invoice_information` where month(create_date)=month(date_sub(now(),interval 1 month))
and year(create_date)=year(now());

#查询本季度数据
select * from `ht_invoice_information` where quarter(create_date)=quarter(now());

#查询上季度数据
select * from `ht_invoice_information` where quarter(create_date)=quarter(date_sub(now(),interval 1 quarter));

#查询本年数据
select * from `ht_invoice_information` where year(create_date)=year(now());

#查询上年数据
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));