lua 获得系统时间

系统到现在多少秒

local ntime = os.time

print(ntime)

代码如下：

function CallChannel()
 local dateText = os.date("%c");
 if dateText~="" then
  channel.GetChild(0):SetText(dateText);
 end
end

其中的%c可以是以下的一种：

%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 '%'