📜  MySQL str_to_date()函数

📅  最后修改于: 2020-11-20 06:35:38             🧑  作者: Mango

MySQL日期/时间str_to_date()函数

str_to_date()是MySQL日期/时间函数。它用于将字符串转换为给定的format_mask。

句法

select str_to_date(string, format_mask);

参数:

String:要获取日期的字符串值

format_mask:要应用的格式,以下是不同的格式。

Value Description
%a Weekday name abbreviated (Sun to Sat)
%b Month name abbreviated (Jan to Dec)
%c Month as a numeric value (0 to 12)
%D Day of the month as a numeric value, followed by suffix (1st, 2nd, 3rd, …)
%d Day of the month as a numeric value (01 to 31)
%e Day of the month as a numeric value (0 to 31)
%f Microseconds (000000 to 999999)
%H Hour (00 to 23)
%h Hour (00 to 12)
%I Hour (00 to 12)
%i Minutes (00 to 59)
%j Day of the year (001 to 366)
%k Hour (00 to 23)
%l Hour (1 to 12)
%M Month name in full (January to December)
%m Month name as a numeric value (00 to 12)
%p AM or PM
%r Time in 12 hour AM or PM format (hh:mm:ss AM/PM)
%S Seconds (00 to 59)
%s Seconds (00 to 59)
%T Time in 24 hour format (hh:mm:ss)
%U Week where Sunday is the first day of the week (00 to 53)
%u Week where Monday is the first day of the week (00 to 53)
%V Week where Sunday is the first day of the week (01 to 53)
Available starting in MySQL 3.23.8 and used with %X
%v Week where Monday is the first day of the week (01 to 53)
Available starting in MySQL 3.23.8 and used with %X
%W Weekday name in full (Sunday to Saturday)
%w Day of the week where Sunday=0 and Saturday=6
%X Year for the week where Sunday is the first day of the week
Available starting in MySQL 3.23.8 and used with %V
%x ear for the week where Monday is the first day of the week
Available starting in MySQL 3.23.8 and used with %v
%Y Year as a numeric, 4-digit value
%y Year as a numeric, 2-digit value

返回值:

此函数返回格式掩码指定的日期。

例子1

select str_to_date('February 11 1995', '%M %d %Y');

输出:

例子2

select str_to_date('01,50,25','%h,%i,%s');

输出: