qt中與totime_t功能相反的函數

QDateTime?QDateTime::fromTime_t(uint?seconds)

QDateTime?QDateTime::fromTime_t(uint?seconds,?Qt::TimeSpec?spec,?int?offsetSeconds?=?0)

QDateTime?QDateTime::fromTime_t(uint?seconds,?const?QTimeZone?&?timeZone)

以上函數都可以實現妳要的功能，妳應該多看Qt的幫助文檔啊……