function everydayRegisterLayer:data_create()

   -- serverTime 伺服器時間 秒

    local pData = self.serverTime

    local time = os.time( pData )

    --當前年份
    local currentYear = pData.year
    --當前月份
    local currentMon = pData.month
    --當前日期
    local currentDay = pData.day

    --儲存這個月的天數
    local mondays = self:count_month_day( currentYear, currentMon )

    --計算1號是周幾  週日是1週一是2，依次排序
    local start = self:count_first_day_wday( currentDay, pData.wday )

    print("show_month_num start, mondays, currentDay "..start.."-"..mondays.."-"..currentDay)

    for i = 0, 41 do

        --列
        local r = i % 7
        --行
        local c = ( i - r ) / 7

        -- 移除背景色
        if self:getChildByTag( 3000 + i ) then
            self:removeChildByTag( 3000 + i )
        end

        --新增非本月背景色
        if (i <= start - 1) or (i > (start - 1 + mondays)) then
            local pOther = cc.Sprite:createWithSpriteFrameName( "RE_other_month.png" )
            pOther:setPosition( 180 + (r * 81), 429 - (c * 36.5))
            self:addChild( pOther, 10, 3000 + i )
        end

        -- 添加當日背景色
        if (i == start - 1 + currentDay) then
            local pOther = cc.Sprite:createWithSpriteFrameName( "RE_celect.png" )
            pOther:setPosition( 180 + (r * 81), 429 - (c * 36.5))
            self:addChild( pOther, 10, 3000 + i )
        end

        -- 計算上月日期
        local preMon = currentMon - 1
        local preYear = currentYear
        if preMon == 0 then
            preYear = currentYear - 1
            preMon = 12
        end
        local preMonDays = self:count_month_day( preYear, preMon )

        --計算展示日期
        local showDay = i - start + 1;
        if showDay < 1 then
            showDay = showDay + preMonDays
        elseif showDay > mondays then
            showDay = showDay - mondays
        end

        -- 新增展示label
        -- 移除label
        if self:getChildByTag( 5000 + i ) then
            self:removeChildByTag( 5000 + i )
        end

        local pNum_Rili = cc.LabelTTF:create( showDay, "Arial", 24 )
        pNum_Rili:setPosition( 180 + (r * 81), 429 - (c * 36.5))
        self:addChild( pNum_Rili, 11, 5000 + i)

        if (i <= start - 1) or (i > (start - 1 + mondays)) then
            pNum_Rili:setColor( cc.c3b(255, 255, 225) )
            pNum_Rili:setOpacity( 125 )
        elseif (i == start - 1 + currentDay) then
            pNum_Rili:setColor( cc.c3b(65, 139, 231) )
            pNum_Rili:setOpacity( 255 )
        end

        -- 移除圈
        if self:getChildByTag( 4000 + i ) then
            self:removeChildByTag( 4000 + i )
        end

        -- 新增圈
        if self.pSaveTable and table.getn(self.pSaveTable) > 0 then
        
            if ((i - (start - 1)) > 0) and ((i - (start - 1)) <= table.getn(self.pSaveTable))  then
            
                print("self.pSaveTable["..(i - (start - 1)).."] = "..self.pSaveTable[i - (start - 1)])
                                
                if self.pSaveTable[i - (start - 1)] == 1 then

                    local pSprite = cc.Sprite:createWithSpriteFrameName( "RE_yiqiandao.png" )

                    pSprite:setPosition( 180 + (r * 81), 429 - (c * 36.5))

                    self:addChild( pSprite, 11, 4000 + i )

                end
            end

        end
    end

end

function everydayRegisterLayer:getNewDate( srcDateTime, interval, dateUnit, type )

    --從日期字串中截取出年月日時分秒
    local Y = string.sub(srcDateTime,1,4)
    local M = string.sub(srcDateTime,5,6)
    local D = string.sub(srcDateTime,7,8)
    local H = string.sub(srcDateTime,9,10)
    local MM = string.sub(srcDateTime,11,12)
    local SS = string.sub(srcDateTime,13,14)

    --把日期時間字串轉換成對應的日期時間
    local dt1 = os.time{ year=Y, month=M, day=D }

    --根據時間單位和偏移量得到具體的偏移資料
    local ofset=0

    if dateUnit =='DAY' then
        ofset = 60 *60 * 24 * interval

    elseif dateUnit == 'HOUR' then
        ofset = 60 *60 * interval

    elseif dateUnit == 'MINUTE' then
        ofset = 60 * interval

    elseif dateUnit == 'SECOND' then
        ofset = interval
    end

    --指定的時間+時間偏移量
    --如果type == 1 是往後減幾天，其他的是往前加 幾天
    local newTime = nil

    if type == 1 then
        newTime = os.date("*t", dt1 - tonumber(ofset))
    else
        newTime = os.date("*t", dt1 + tonumber(ofset))
    end
    return newTime
end

function everydayRegisterLayer:count_first_day_wday( currenyDay, weekDay )

    print("count_first_day_wday currenyDay, weekDay "..currenyDay.."-"..weekDay)

    --通過 今天 是 周幾 來計算 1號 是周幾

    local p1 = ( currenyDay - 1 ) % 7

    local pWeek = weekDay - p1

    local pWeekNum = 0
    if pWeek <= 0 then
        pWeekNum = pWeek + 7
    else
        pWeekNum = pWeek
    end

    return (pWeekNum - 1)

end


function everydayRegisterLayer:count_month_day( year, mon )

    if mon == 2 then
        if year % 4 == 0 then
            return 29
        else
            return 28
        end
    elseif mon == 1 or mon == 3 or mon == 5 or mon == 7 or mon == 8 or mon == 10 or mon == 12 then
        return 31
    elseif mon == 4 or mon == 6 or mon == 9 or mon == 11 then
        return 30
    end
end

記錄一下。