MySQL的YEARWEEK函数（转）_MySQL

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MySQL的YEARWEEK函数以及查询本周数据

2013-03-10 16:45:10     我来说两句       作者：kamuikyo

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MySQL的YEARWEEK函数以及查询本周数据MySQL 的 YEARWEEK 是获取年份和周数的一个函数，函数形式为 YEARWEEK(date[,mode]) 
例如 2010-3-14 ，礼拜天    www.bitsCN.com   SELECT YEARWEEK('2010-3-14') 返回 11  SELECT YEARWEEK('2010-3-14',1) 返回 10 
其中第二个参数是 mode ，具体指的意思如下：  www.bitsCN.com   ModeFirst day of weekRangeWeek 1 is the first week …0Sunday0-53with a Sunday in this year1Monday0-53with more than 3 days this year2Sunday1-53with a Sunday in this year3Monday1-53with more than 3 days this year4Sunday0-53with more than 3 days this year5Monday0-53with a Monday in this year6Sunday1-53with more than 3 days this year7Monday1-53with a Monday in this 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()); 查询上周的数据SELECT name,submittime FROM enterprise WHERE YEARWEEK(date_format(submittime,'%Y-%m-%d')) = YEARWEEK(now())-1;  查询当前月份的数据select name,submittime from enterprise  where date_format(submittime,'%Y-%m')=date_format(now(),'%Y-%m') 查询距离当前现在6个月的数据select name,submittime from enterprise where submittime between date_sub(now(),interval 6 month) and now(); 查询上个月的数据select name,submittime from enterprise where date_format(submittime,'%Y-%m')=date_format(DATE_SUB(curdate(), INTERVAL 1 MONTH),'%Y-%m');select * from `user` where DATE_FORMAT(pudate,'%Y%m') = DATE_FORMAT(CURDATE(),'%Y%m') ;select * from user where WEEKOFYEAR(FROM_UNIXTIME(pudate,'%y-%m-%d')) = WEEKOFYEAR(now());select * from user where MONTH(FROM_UNIXTIME(pudate,'%y-%m-%d')) = MONTH(now());select * from [user] where YEAR(FROM_UNIXTIME(pudate,'%y-%m-%d')) = YEAR(now()) and MONTH(FROM_UNIXTIME(pudate,'%y-%m-%d')) = MONTH(now());select * from [user] where pudate between 上月最后一天 and 下月第一天; 

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