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QDateTime setTime = QDateTime::fromString (QString("1970-07-18T14:15:09"), Qt::ISODate); QDateTime current = QDateTime::currentDateTime(); uint msecs = setTime.time().msecsTo(current.time()); return QString::number(msecs);
31 lip 2015 · You can use QDateTime class and convert the current time with the appropriate format: QDateTime::currentDateTime().toString("yyyy/MM/dd hh:mm:ss,zzz") where 'z' corresponds to miliseconds accuracy.
18 paź 2023 · With the standard C++ time function, we get the Unix time. QDateTime dt; dt.setTime_t(t); out << dt.toString() << endl; The setTime_t function is used to convert the Unix time into the DateTime, which is formatted to human readable form. QDateTime cd = QDateTime::currentDateTime(); out << cd.toTime_t() << endl;
QDateTime::currentDateTime () returns a QDateTime that expresses the current date and time with respect to a specific time representation, such as local time (its default).
18 paź 2023 · The setTime_t method is used to convert the Unix time into the DateTime, which is formatted to human readable form. QDateTime cd = QDateTime::currentDateTime(); out << cd.toTime_t() << endl; The Qt4's toTime_t method can be also used to get the Unix time.
The method systemTimeZoneId() returns the current system IANA time zone ID which on Unix-like systems will always be correct. On Windows this ID is translated from the Windows system ID using an internal translation table and the user's selected country.
Returns the current time as reported by the system clock. Note that the accuracy depends on the accuracy of the underlying operating system; not all systems provide 1-millisecond accuracy. Furthermore, currentTime() only increases within each day; it shall drop by 24 hours each time midnight passes; and, beside this, changes in it may not ...
