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JAN = 31
daysFeb = {28, 29}
MAR = 31
APR = 30
MAY = 31
JUN = 30
JUL = 31
AUG = 31
SEPT = 30
OCT = 31
NOV = 30
DEC = 31
MONTH = {JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEPT, OCT, NOV, DEC}
SUN = 1
MON = 2
TUE = 3
WED = 4
THU = 5
FRI = 6
SAT = 7
WEEK = {SUN, MON, TUE, WED, THU, FRI, SAT}
EVEN = 1
LEAP = 2
EVENYEAR = 365
LEAPYEAR = 366
DAYSPERYEAR = {EVENYEAR, LEAPYEAR}
DAYSPERYEAR.isLeapYear = function(year)
if ((((year % 4 ==0) and (year % 100~=0)) or (year % 400==0)))then
daysOfYear = DAYSPERYEAR[LEAP]
MONTH[2] = daysFeb[LEAP]
else
daysOfYear = DAYSPERYEAR[EVEN]
MONTH[2] = daysFeb[EVEN]
end
return daysOfYear
end
function getDaysLeft(y,m,d)
daysOfYear = DAYSPERYEAR.isLeapYear(y)
monEnd = m-1
monStart = 1
local daysLeft = 0
for i = monStart, monEnd do
daysLeft = daysLeft + MONTH[i]
end
daysLeft = daysLeft + d
daysLeft = daysOfYear - daysLeft
return daysLeft, daysOfYear
end
function processInMonthLevel(day, y, m, d)
local retDate = {}
--print("day", day, "MONTH[", m,"]", MONTH[m], "d", d, "m - d",MONTH[m]-d)
if ( day <= MONTH[m]-d) then
--还在本月之内
d = d + day
retDate["year"] = y
retDate["month"] = m
retDate["day"] = d
else
--在本月之外
day = day - MONTH[m] + d
m = m + 1
--print(MONTH[2])
while(day > MONTH[m]) do
day = day - MONTH[m]
m = m + 1
end
d = day
retDate["year"] = y
retDate["month"] = m
retDate["day"] = d
end
return retDate
end
function getDate(day, startDate)
retDate = {}
if (startDate == nil) then
myDate = os.date("%Y/%m/%d")
else
myDate = startDate
end
m = tonumber(string.sub(myDate, 6,7))
d = tonumber(string.sub(myDate, 9,10))
y = tonumber(string.sub(myDate, 1,4))
daysLeft, daysOfYear = getDaysLeft(y,m,d)
if(day <= daysLeft) then
-- 还在y年之内
retDate = processInMonthLevel(day,y, m, d)
else
-- 已经出了y年之外
day = day - daysLeft
y = y + 1
daysOfYear = DAYSPERYEAR.isLeapYear(y)
while( day > daysOfYear ) do
day = day - daysOfYear
y = y + 1
daysOfYear = DAYSPERYEAR.isLeapYear(y)
end
m = 1
d = 0
retDate = processInMonthLevel(day, y, m, d)
end
if(retDate.month < 10) then
retDate.month = "0" .. tostring(retDate.month)
end
if(retDate.day < 10) then
retDate.day = "0" .. tostring(retDate.day)
end
retdate = retDate.year .. "-" .. retDate.month .. "-" .. retDate.day
return retdate
end
function date2time(luaDate)
if (luaDate == nil or type(luaDate) ~= "string") then
return;
else
local year = string.match(luaDate, "%d+")
year = tonumber(year)
local month = string.match(luaDate, "-%d+")
month = string.gsub(month, "-", "")
month = tonumber(month)
local day = string.match(luaDate, "%d+%s")
day = string.gsub(day, "%s", "")
day = tonumber(day)
local hour = string.match(luaDate, "%d+:")
hour = string.gsub(hour, ":", "")
hour = tonumber(hour)
local minite = string.match(luaDate, ":%d+:")
minite = string.gsub(minite, ":", "")
minite = tonumber(minite)
local second = string.match(luaDate, ":%d+:%d+")
second = string.gsub(second, minite, "")
second = string.gsub(second, ":", "")
second = tonumber(second)
print(year, month, day, hour, minite, second)
print(type(year),type(month), type(day), type(hour), type(minite), type(second))
if ( (type(month) == "number" and month>=1 and month<= 12)
and (type(day) == "number" and day>=1 and day <=31)
and (type(hour) == "number" and hour>=0 and hour <=23)
and(type(minite) == "number" and minite>=0 and minite<=59)
and (type(second) == "number" and second >=0 and second <= 59)) then
return os.time{year = year, month = month, day = day, hour = hour, min = minite, sec = second}
else
return;
end
end
end
function time2date(luaTime)
if (luaTime == nil or type(luaTime) ~= "number") then
return;
else
return os.date("%Y-%m-%d %H:%M:%S", luaTime)
end
end
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