C++ Builer 获取系统时间,精确到毫秒

获取系统时间,精确到毫秒:

AnsiString __fastcall TForm1::GetTimeString()
{
        SYSTEMTIME sysTime;
        ::GetLocalTime(&sysTime);
        AnsiString msTime = sysTime.wMilliseconds;//毫秒

        return msTime ;
}

GetLocalTime所拥有的 年月周日时分秒毫秒 的表示法
wYear: Word;         {年}
wMonth: Word;        {月}
wDayOfWeek: Word;    {周}
wDay: Word;          {日}
wHour: Word;         {时}
wMinute: Word;       {分}
wSecond: Word;       {秒}
wMilliseconds: Word; {毫秒}


获取系统时间,精确到秒:

AnsiString __fastcall TForm1::GetTimeString()
{
        AnsiString time=Now().FormatString("yyyymmddhhnnss");

        return time.SubString(1,4)+"年"+time.SubString(5,2)+"月"+time.SubString(7,2)+"日"+time.SubString(9,2)+"时"+time.SubString(11,2)+"分"+time.SubString(13,2)+"秒";
}

获取从开机到现在的毫秒数:

AnsiString __fastcall TForm1::GetTimeString()
{
        AnsiString time=timeGetTime();

        return time;//系统启动到现在的时间
}

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