//提示內容：now()函式 時間格式是為2018-01-02 19:16:16   所以你的時間欄位也得這個格式 

//有一個mysql函式可以將時間戳 轉換為 2018-01-02 19:16:16 這種格式 

//   FROM_UNIXTIME(1513736000,'%Y-%m-%d')

//以上是更新內容
今天 select * from 表名 where to_days(時間欄位名) = to_days(now());

昨天Select * FROM 表名 Where TO_DAYS( NOW( ) ) - TO_DAYS( 時間欄位名) <= 1

7天Select * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 7 DAY) <= date(時間欄位名)

近30天Select * FROM 表名 where DATE_SUB(CURDATE(), INTERVAL 30 DAY) <= date(時間欄位名)

本月Select * FROM 表名 Where DATE_FORMAT( 時間欄位名, '%Y%m' ) = DATE_FORMAT( CURDATE( ) , '%Y%m' )

上一月Select * FROM 表名 Where PERIOD_DIFF( date_format( now( ) , '%Y%m' ) , date_format( 時間欄位名, '%Y%m' ) ) =1

#查詢本季度資料
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(now());
#查詢上季度資料
select * from `ht_invoice_information` where QUARTER(create_date)=QUARTER(DATE_SUB(now(),interval 1 QUARTER));
#查詢本年資料
select * from `ht_invoice_information` where YEAR(create_date)=YEAR(NOW());
#查詢上年資料
select * from `ht_invoice_information` where year(create_date)=year(date_sub(now(),interval 1 year));

 

查詢當前這周的資料 
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now());

查詢上週的資料
SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;

查詢當前月份的資料
select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m')

查詢距離當前現在6個月的資料
select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now();

查詢上個月的資料
select name,submittime from enterprise   where date_format(submittime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m')