使用以下代替:
DATE_FORMAT(`datetime_added`,'%Y-%m')
說明:
DATE_FORMAT()
函數允許您使用下表中描述的說明符(從逐步取自documentation)按照您喜歡的方式格式化日期。所以格式字符串'%Y-%m'
表示:「全年(4位數字),後面跟一個短劃線(-
),後跟一個兩位數的月份編號」。
請注意,您可以通過設置lc_time_names
系統變量來指定用於日/月名稱的語言。非常有用。有關更多詳情,請參閱documentation。
Specifier Description
%a Abbreviated weekday name (Sun..Sat)
%b Abbreviated month name (Jan..Dec)
%c Month, numeric (0..12)
%D Day of the month with English suffix (0th, 1st, 2nd, 3rd, …)
%d Day of the month, numeric (00..31)
%e Day of the month, numeric (0..31)
%f Microseconds (000000..999999)
%H Hour (00..23)
%h Hour (01..12)
%I Hour (01..12)
%i Minutes, numeric (00..59)
%j Day of year (001..366)
%k Hour (0..23)
%l Hour (1..12)
%M Month name (January..December)
%m Month, numeric (00..12)
%p AM or PM
%r Time, 12-hour (hh:mm:ss followed by AM or PM)
%S Seconds (00..59)
%s Seconds (00..59)
%T Time, 24-hour (hh:mm:ss)
%U Week (00..53), where Sunday is the first day of the week
%u Week (00..53), where Monday is the first day of the week
%V Week (01..53), where Sunday is the first day of the week; used with %X
%v Week (01..53), where Monday is the first day of the week; used with %x
%W Weekday name (Sunday..Saturday)
%w Day of the week (0=Sunday..6=Saturday)
%X Year for the week where Sunday is the first day of the week, numeric, four digits; used with %V
%x Year for the week, where Monday is the first day of the week, numeric, four digits; used with %v
%Y Year, numeric, four digits
%y Year, numeric (two digits)
%% A literal 「%」 character
%x x, for any 「x」 not listed above
雖然不是他問什麼,這似乎回答什麼,他應該問。 –
爲什麼月份的月份可能爲0? – SOFe
因爲0000-00-00是一個有效的日期(取決於設置) – Mchl