-- 获取当前的格林尼治时间
print(os.time())
 
-- 获取当前时间的字符串表示，形如：11/28/08 10:28:37
print(os.date())
 
-- 获取当前日期的字符串表示，形如：11/28/08
print(os.date("%x", os.time()))
 
-- 获取当前时间的字符串表示，形如：10:28:37
print(os.date("%X", os.time()))
 
-- 获取当前时间的字符串表示，形如：10/10/13 10:28:37
print(os.date("%c", os.time()))
 
-- 获取当前时间的字符串表示，形如：2013-10-10 10:28:37
print(os.date("%Y-%m-%d %H:%M:%S", os.time()))
 
--函数os.clock返回执行该程序CPU花去的时钟秒数
local x1 = os.clock()
local s = 0
for i = 1, 10000000 do
s = s + i
end
local x2 = os.clock()
print(string.format("elapsed time: %.2f\n", x2 - x1))
local T2009_StartTime = { year=2013, month=2, day=9, hour=0, min=0, sec=0 }
local T2009_EndTime = { year=2013, month=2, day=17, hour=23, min=59, sec=59 }
 
T2009_AvtivityTime = { startTime = os.time(T2009_StartTime), endTime = os.time(T2009_EndTime) }
 
print('加载礼包活动成功，活动时间：' .. os.date('%c', T2009_AvtivityTime.startTime) ..
'~' .. os.date('%c', T2009_AvtivityTime.endTime))
 
temp = os.date("*t", os.time())
print(temp)
--[[则会产生表
{year = 1998, month = 9, day = 16, yday = 259, wday = 4,
 hour = 23, min = 48, sec = 10, isdst = false}
--]]

local timestamp = 1561636137;
local strDate = os.date("%Y/%m/%d %H:%M:%S", timestamp)
print("strDate = ", strDate);

local strDate = "2019/06/27 19:48:57"
local _, _, y, m, d, hour, min, sec = string.find(strDate, "(%d+)/(%d+)/(%d+)%s*(%d+):(%d+):(%d+)");   --分离字符串 前两个不知道是什么？
 
print(y, m, d, hour, min, sec);

--转化为时间戳
local timestamp = os.time({year=y, month = m, day = d, hour = hour, min = min, sec = sec});
print("timestamp = ", timestamp);