http://blog.csdn.net/zhuanzhuwanmei/article/details/44077783
系统当前时间对应的时间戳
local ntime = os.time
print(ntime)
格式化时间显示，参考下表
常用于设置header等
ngx.header["Last-Modified:"] = os.date("%a, %d %b %Y %X GMT")
ngx.header["Content-Type"] = "text/html; charset=utf-8"
ngx.header["Cache-Control"] = "public"
ngx.header["Expires"] = os.date("%a, %d %b %Y %X GMT", os.time() + cdnCacheTime)
|
%a |
abbreviated weekday name (e.g., Wed) |
|
%A |
full weekday name (e.g., Wednesday) |
|
%b |
abbreviated month name (e.g., Sep) |
|
%B |
full month name (e.g., September) |
|
%c |
date and time (e.g., 09/16/98 23:48:10) |
|
%d |
day of the month (16) [01-31] |
|
%H |
hour, using a 24-hour clock (23) [00-23] |
|
%I |
hour, using a 12-hour clock (11) [01-12] |
|
%M |
minute (48) [00-59] |
|
%m |
month (09) [01-12] |
|
%p |
either "am" or "pm" (pm) |
|
%S |
second (10) [00-61] |
|
%w |
weekday (3) [0-6 = Sunday-Saturday] |
|
%x |
date (e.g., 09/16/98) |
|
%X |
time (e.g., 23:48:10) |
|
%Y |
full year (1998) |
|
%y |
two-digit year (98) [00-99] |
|
%% |
the character '%' |
