## 今天
```
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));
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
```
## 近期7天
```
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' )
```
## 上一个月
```
select * from 表名 where period_diff( date_format( now( ) , '%y%m' ) , date_format( 时间字段名, '%y%m' ) ) =1
```
## 查询本季度
```
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
```
## 查询上季度
```
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));
```
## 查询当前这周的数据
```
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());
```
## 查询上周
```
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;
```
