mysql 判断是同一天_判断两个时间是同一天

川长思鸟来 2023-01-12 10:15 150阅读 0赞

bool IsToday(time\_t nLastTime, time\_t nNowTime)

time\_t LastTime = nLastTime;

struct tm localTime;

localtime\_r(&LastTime, &localTime);

time\_t NowTime = nNowTime;

struct tm localNowTime;

localtime\_r(&NowTime, &localNowTime);

if (localTime.tm\_year == localNowTime.tm\_year &&

localTime.tm\_mon == localNowTime.tm\_mon &&

localTime.tm\_mday == localNowTime.tm\_mday)

return true;

else

return false;

扩展

bool CTimer::IsToday() const

if (m\_Time == 0)

return false;

time\_t NowTime = time(NULL);

struct tm localNowTime;

localtime\_r(&NowTime, &localNowTime);

struct tm localTime;

localtime\_r(&m\_Time, &localTime);

if (localTime.tm\_year == localNowTime.tm\_year &&

localTime.tm\_mon == localNowTime.tm\_mon &&

localTime.tm\_mday == localNowTime.tm\_mday)

return true;

else

return false;

bool CTimer::IsThisWeek() const

if (m\_Time == 0)

return false;

time\_t NowTime = time(NULL);

struct tm localNowTime;

localtime\_r(&NowTime, &localNowTime);

struct tm localTime;

localtime\_r(&m\_Time, &localTime);

return (localTime.tm\_year == localNowTime.tm\_year &&

(localTime.tm\_yday - localNowTime.tm\_yday) == (GetWeek7Day(m\_Time) - GetWeek7Day(NowTime)));

int CTimer::GetWeek7Day(time\_t tTime) const

struct tm localNowTime;

localtime\_r(&tTime, &localNowTime);

return localNowTime.tm\_wday == 0 ? 7 : localNowTime.tm\_wday;

bool CTimer::IsThisMonth() const

if (m\_Time == 0)

return false;

time\_t NowTime = time(NULL);

struct tm localNowTime;

localtime\_r(&NowTime, &localNowTime);

struct tm localTime;

localtime\_r(&m\_Time, &localTime);

return (localTime.tm\_year == localNowTime.tm\_year &&

localTime.tm\_mon == localNowTime.tm\_mon);

bool CTimer::IsYesterday() const

time\_t NowTime = time(NULL);

struct tm local;

localtime\_r(&NowTime, &local);

struct tm LoaclTime;

localtime\_r(&m\_Time, &LoaclTime);

if (LoaclTime.tm\_year != local.tm\_year)

return false;

return (local.tm\_yday - LoaclTime.tm\_yday) == 1;

time\_t CTimer::GetSunday() const

time\_t NowTime = time(NULL);

struct tm local;

localtime\_r(&NowTime, &local);

local.tm\_mday = local.tm\_mday - local.tm\_wday + 1; //加1表示星期一的零时

local.tm\_hour = 0;

local.tm\_min = 0;

local.tm\_sec = 0;

time\_t Sunday = mktime(&local);

return Sunday;

int CTimer::GetYear() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_year + 1900;

int CTimer::GetMonth() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_mon + 1;

int CTimer::GetDay() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_mday;

int CTimer::GetHour() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_hour;

int CTimer::GetMinute() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_min;

int CTimer::GetSecond() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_sec;

int CTimer::GetYearDay() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_yday;

int CTimer::Get12Clock() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

localNowTime.tm\_mday = localNowTime.tm\_mday + 1;

localNowTime.tm\_hour = 0;

localNowTime.tm\_min = 0;

localNowTime.tm\_sec = 0;

time\_t tToNight = mktime(&localNowTime);

return tToNight - m\_Time;

time\_t CTimer::GetDate() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

localNowTime.tm\_hour = 0;

localNowTime.tm\_min = 0;

localNowTime.tm\_sec = 0;

time\_t date = mktime(&localNowTime);

return date;

int CTimer::GetWeekDay() const

struct tm localNowTime;

localtime\_r(&m\_Time, &localNowTime);

return localNowTime.tm\_wday;

mysql 判断是同一天_判断两个时间是同一天

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