time

ServerTime.lua

local latency = 0
local ServerTime = {
    localTime = os.time(),
    serverTime = os.time(),
    -- 服务器时间-客户端时间
}

function ServerTime.setServerTime(time)
    latency = time - os.time()
    -- localTime = os.time()
    -- serverTime = time or os.time()
end

function ServerTime.getServerTime()
    return os.time() + latency
end

return ServerTime

TimeUtil.lua

local ServerTime = require('ServerTime')
local TimeUtil = {
    ONE_DAY = 24 * 3600,
}

-- can not over 4294.967296 seconds
-- old clock
function TimeUtil.clock(old)
    if not old then
        return os.clock()
    end

    local now = os.clock()
    if now < old then
        -- 4294.967296 = math.pow(2, 32)/CLOCKS_PER_SEC
        now = now + 4294.967296
    end
    return now
end

-- format default %M:%S
function TimeUtil.formatCD(cd, format)
    if cd < 0 then cd = 0 end
    local date = {
        year = 1972, month = 0, day = 0, hour = 0, min = 0, sec = 0, isdst = false,
    }
    local time = os.time(date)
    -- 不同时区、是否夏令时间都会导致时间不是0000
    if os.date("%H%M", time) ~= "0000" then
        date.isdst = true
        time = os.time(date)
    end
    return os.date(format or "%M:%S", time + cd)
end

function TimeUtil.format(format, time)
    return os.date(format or "%M:%S", time or ServerTime.getServerTime())
end

-- format Y-M-D
function TimeUtil.parseYMD(str, sep)
    local t = CommonFunc._stringSplit(str , sep or '-')
    local date = { year = tonumber(t[1]), month = tonumber(t[2]), day = tonumber(t[3]), hour = 0, min = 0, sec = 0 }
    return os.time(date)
end

-- format H:M:S
function TimeUtil.parseCDHMS(str, sep)
    local t = CommonFunc._stringSplit(str, sep or ':')
    local cd = tonumber(t[1]) * 3600
    if t[2] then
        cd = cd + tonumber(t[2]) * 60
    end
    if t[3] then
        cd = cd + tonumber(t[3])
    end
    return cd
end

function TimeUtil.inTime(time1, time2, now)
    now = now or ServerTime.getServerTime()
    return time1 < now and time2 > now
end

function TimeUtil.inTime2(date1, date2, time1, time2, now)
    now = now or ServerTime.getServerTime()
    local nowTime = TimeUtil.todayTime(now)
    local nowDate = TimeUtil.date(now)
    date1 = TimeUtil.date(date1)
    date2 = TimeUtil.date(date2)
    time1 = time1 > TimeUtil.ONE_DAY and TimeUtil.todayTime(time1) or time1
    time2 = time2 > TimeUtil.ONE_DAY and TimeUtil.todayTime(time2) or time2
    if time2 == 0 then
        time2 = TimeUtil.ONE_DAY
        date2 = date2 - TimeUtil.ONE_DAY
    end

    if date1 > nowDate or nowDate > date2 then
        return false
    end

    if time1 <= time2 then
        return time1 <= nowTime and nowTime <= time2
    end
    return time1 <= nowTime or nowTime <= time2
end

function TimeUtil.todayTime(time)
    local dateT = os.date("*t", time)
    return dateT.hour * 3600 + dateT.min * 60 + dateT.sec
end

function TimeUtil.date(time)
    local dateT = os.date("*t", time)
    dateT.hour = 0
    dateT.min = 0
    dateT.sec = 0
    return os.time(dateT)
end

return TimeUtil