Lua获取系统时间和时间格式化⽅法及格式化参数⼀、系统当前时间对应的时间戳
复制代码代码如下:
local ntime = os.time
print(ntime)
⼆、格式化时间显⽰，参考下表
常⽤于设置header等
复制代码代码如下:
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)
格式化命令format参数%Y full year (1998)
%y two-digit year (98) [00-99]
%%the character '%'

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