Home Database Mysql Tutorial MySQL字符串转日期类型

MySQL字符串转日期类型

Jun 07, 2016 pm 02:51 PM
mysql string date kind type

MySQL字符串转日期类型 select str_to_date('2014-08-20 00:00:00', '%Y-%m-%d %H:%i:%s'); 2014-08-20 00:00:00 select date_format('1997-10-04 22:23:00', '%H:%i:%s'); 22:23:00 说明符 说明 %a 工作日的缩写名称 (Sun..Sat) %b 月份的缩写名称 (Jan..De

MySQL字符串转日期类型


select str_to_date('2014-08-20 00:00:00', '%Y-%m-%d %H:%i:%s');

>2014-08-20 00:00:00


select date_format('1997-10-04 22:23:00', '%H:%i:%s');

>22:23:00


说明符

说明

%a

工作日的缩写名称  (Sun..Sat)

%b

月份的缩写名称  (Jan..Dec)

%c

月份,数字形式(0..12)

%D

带有英语后缀的该月日期  (0th, 1st, 2nd, 3rd, ...)

%d

该月日期, 数字形式 (00..31)

%e

该月日期, 数字形式(0..31)

%f

微秒 (000000..999999)

%H

小时(00..23)

%h

小时(01..12)

%I

小时 (01..12)

%i

分钟,数字形式 (00..59)

%j

一年中的天数 (001..366)

%k

小时 (0..23)

%l

小时 (1..12)

%M

月份名称 (January..December)

%m

月份, 数字形式 (00..12)

%p

上午(AM)或下午( PM)

%r

时间 , 12小时制 (小时hh:分钟mm:秒数ss 后加 AM或PM)

%S

秒 (00..59)

%s

秒 (00..59)

%T

时间 , 24小时制 (小时hh:分钟mm:秒数ss)

%U

周 (00..53), 其中周日为每周的第一天

%u

周 (00..53), 其中周一为每周的第一天 

%V

周 (01..53), 其中周日为每周的第一天 ; 和 %X同时使用

%v

周 (01..53), 其中周一为每周的第一天 ; 和 %x同时使用

%W

工作日名称 (周日..周六)

%w

一周中的每日 (0=周日..6=周六)

%X

该周的年份,其中周日为每周的第一天, 数字形式,4位数;和%V同时使用

%x

该周的年份,其中周一为每周的第一天, 数字形式,4位数;和%v同时使用

%Y

年份, 数字形式,4位数

%y

年份, 数字形式 (2位数)

%%

‘%’文字字符

所有其它字符都被复制到结果中,无需作出解释。

注意, ‘%’字符要求在格式指定符之前。

月份和日期说明符的范围从零开始,原因是 MySQL允许存储诸如 '2004-00-00'的不完全日期. 


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