复制代码代码如下:

$smarty = new Smarty; 
$smarty->assign(‘yesterday‘, strtotime(‘-1 day‘)); 
$smarty->display(‘index.tpl‘); 
index.tpl: 
{$smarty.now|date_format} 
{$smarty.now|date_format:"%A, %B %e, %Y"} 
{$smarty.now|date_format:"%H:%M:%S"} 
{$yesterday|date_format} 
{$yesterday|date_format:"%A, %B %e, %Y"} 
{$yesterday|date_format:"%H:%M:%S"} 

复制代码代码如下:

Feb 6, 2001 
Tuesday, February 6, 2001 
:33:00 
Feb 5, 2001 
Monday, February 5, 2001 
:33:00 

复制代码代码如下:

%a - abbreviated weekday name according to the current locale 
（根据当地格式输出“星期”缩写格式） 
%A - full weekday name according to the current locale 
（根据当地格式输出“星期”全称格式） 
%b - abbreviated month name according to the current locale 
（根据当地格式输出“月”缩写格式） 
%B - full month name according to the current locale 
（根据当地格式输出“月”全称格式） 
%c - preferred date and time representation for the current locale 
%C - century number (the year divided by 100 and truncated to an integer, range 00 to 99) 
%d - day of the month as a decimal number (range 00 to 31) 
%D - same as %m/%d/%y 
%e - day of the month as a decimal number, a single digit is preceded by a 
space (range 1 to 31) 
%g - Week-based year within century [00,99] 
%G - Week-based year, including the century [0000,9999] 
%h - same as %b 
%H - hour as a decimal number using a 24-hour clock (range 00 to 23) 
%I - hour as a decimal number using a 12-hour clock (range 01 to 12) 
%j - day of the year as a decimal number (range 001 to 366) 
%k - Hour (24-hour clock) single digits are preceded by a blank. (range 0 to 23) 
%l - hour as a decimal number using a 12-hour clock, single digits preceeded by 
a space (range 1 to 12) 
%m - month as a decimal number (range 01 to 12) 
%M - minute as a decimal number 
%n - newline character 
%p - either `am‘ or `pm‘ according to the given time value, or the corresponding strings for the current locale 
%r - time in a.m. and p.m. notation 
%R - time in 24 hour notation 
%S - second as a decimal number 
%t - tab character 
%T - current time, equal to %H:%M:%S 
%u - weekday as a decimal number [1,7], with 1 representing Monday 
%U - week number of the current year as a decimal number, starting with the first Sunday as the first day of the first week 
%V - The ISO 8601:1988 week number of the current year as a decimal number, range 01 to 53, where week 1 
is the first week that has at least 4 days in the current year, and with Monday as the first day of the week. 
%w - day of the week as a decimal, Sunday being 0 
%W - week number of the current year as a decimal number, starting with the first Monday as the first day of the first week 
%x - preferred date representation for the current locale without the time 
%X - preferred time representation for the current locale without the date 
%y - year as a decimal number without a century (range 00 to 99) 
%Y - year as a decimal number including the century 
%Z - time zone or name or abbreviation 
%% - a literal `%‘ character