<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qdatetime.cpp --> <title>Obsolete Members for QDateTime | Qt Core 5.9</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.9</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QDateTime</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Obsolete Members for QDateTime</h1> <p><b>The following members of class <a href="qdatetime.html">QDateTime</a> are obsolete.</b> They are provided to keep old source code working. We strongly advise against using them in new code.</p> <h2>Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>void </td><td class="memItemRight bottomAlign"><b><a href="qdatetime-obsolete.html#setTime_t">setTime_t</a></b>(uint <i>seconds</i>)</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>uint </td><td class="memItemRight bottomAlign"><b><a href="qdatetime-obsolete.html#toTime_t">toTime_t</a></b>() const</td></tr> </table></div> <h2>Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QDateTime </td><td class="memItemRight bottomAlign"><b><a href="qdatetime-obsolete.html#fromTime_t">fromTime_t</a></b>(uint <i>seconds</i>)</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QDateTime </td><td class="memItemRight bottomAlign"><b><a href="qdatetime-obsolete.html#fromTime_t-1">fromTime_t</a></b>(uint <i>seconds</i>, Qt::TimeSpec <i>spec</i>, int <i>offsetSeconds</i> = 0)</td></tr> <tr><td class="memItemLeft topAlign rightAlign"> <code>(obsolete) </code>QDateTime </td><td class="memItemRight bottomAlign"><b><a href="qdatetime-obsolete.html#fromTime_t-2">fromTime_t</a></b>(uint <i>seconds</i>, const QTimeZone &<i>timeZone</i>)</td></tr> </table></div> <h2>Member Function Documentation</h2> <!-- $$$fromTime_t[overload1]$$$fromTime_tuint --> <h3 class="fn" id="fromTime_t"><a name="fromTime_t"></a><code>[static] </code><span class="type"><a href="qdatetime.html#QDateTime">QDateTime</a></span> QDateTime::<span class="name">fromTime_t</span>(<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> <i>seconds</i>)</h3> <p>Returns a datetime whose date and time are the number of <i>seconds</i> that have passed since 1970-01-01T00:00:00, Coordinated Universal Time (<a href="qt.html#TimeSpec-enum">Qt::UTC</a>) and converted to <a href="qt.html#TimeSpec-enum">Qt::LocalTime</a>. On systems that do not support time zones, the time will be set as if local time were <a href="qt.html#TimeSpec-enum">Qt::UTC</a>.</p> <p><b>Note: </b>This function is deprecated. Please use <a href="qdatetime.html#fromSecsSinceEpoch">fromSecsSinceEpoch</a>() in new code.</p><p>This function was introduced in Qt 4.2.</p> <p><b>See also </b><a href="qdatetime-obsolete.html#toTime_t">toTime_t</a>() and <a href="qdatetime-obsolete.html#setTime_t">setTime_t</a>().</p> <!-- @@@fromTime_t --> <!-- $$$fromTime_t$$$fromTime_tuintQt::TimeSpecint --> <h3 class="fn" id="fromTime_t-1"><a name="fromTime_t-1"></a><code>[static] </code><span class="type"><a href="qdatetime.html#QDateTime">QDateTime</a></span> QDateTime::<span class="name">fromTime_t</span>(<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> <i>seconds</i>, <span class="type"><a href="qt.html#TimeSpec-enum">Qt::TimeSpec</a></span> <i>spec</i>, <span class="type">int</span> <i>offsetSeconds</i> = 0)</h3> <p>Returns a datetime whose date and time are the number of <i>seconds</i> that have passed since 1970-01-01T00:00:00, Coordinated Universal Time (<a href="qt.html#TimeSpec-enum">Qt::UTC</a>) and converted to the given <i>spec</i>.</p> <p>If the <i>spec</i> is not <a href="qt.html#TimeSpec-enum">Qt::OffsetFromUTC</a> then the <i>offsetSeconds</i> will be ignored. If the <i>spec</i> is <a href="qt.html#TimeSpec-enum">Qt::OffsetFromUTC</a> and the <i>offsetSeconds</i> is 0 then the spec will be set to <a href="qt.html#TimeSpec-enum">Qt::UTC</a>, i.e. an offset of 0 seconds.</p> <p><b>Note: </b>This function is deprecated. Please use <a href="qdatetime.html#fromSecsSinceEpoch">fromSecsSinceEpoch</a>() in new code.</p><p>This function was introduced in Qt 5.2.</p> <p><b>See also </b><a href="qdatetime-obsolete.html#toTime_t">toTime_t</a>() and <a href="qdatetime-obsolete.html#setTime_t">setTime_t</a>().</p> <!-- @@@fromTime_t --> <!-- $$$fromTime_t$$$fromTime_tuintconstQTimeZone& --> <h3 class="fn" id="fromTime_t-2"><a name="fromTime_t-2"></a><code>[static] </code><span class="type"><a href="qdatetime.html#QDateTime">QDateTime</a></span> QDateTime::<span class="name">fromTime_t</span>(<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> <i>seconds</i>, const <span class="type"><a href="qtimezone.html">QTimeZone</a></span> &<i>timeZone</i>)</h3> <p>Returns a datetime whose date and time are the number of <i>seconds</i> that have passed since 1970-01-01T00:00:00, Coordinated Universal Time (<a href="qt.html#TimeSpec-enum">Qt::UTC</a>) and with the given <i>timeZone</i>.</p> <p><b>Note: </b>This function is deprecated. Please use <a href="qdatetime.html#fromSecsSinceEpoch">fromSecsSinceEpoch</a>() in new code.</p><p>This function was introduced in Qt 5.2.</p> <p><b>See also </b><a href="qdatetime-obsolete.html#toTime_t">toTime_t</a>() and <a href="qdatetime-obsolete.html#setTime_t">setTime_t</a>().</p> <!-- @@@fromTime_t --> <!-- $$$setTime_t[overload1]$$$setTime_tuint --> <h3 class="fn" id="setTime_t"><a name="setTime_t"></a><span class="type">void</span> QDateTime::<span class="name">setTime_t</span>(<span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> <i>seconds</i>)</h3> <p>Sets the date and time given the number of <i>seconds</i> that have passed since 1970-01-01T00:00:00, Coordinated Universal Time (<a href="qt.html#TimeSpec-enum">Qt::UTC</a>). On systems that do not support time zones this function will behave as if local time were <a href="qt.html#TimeSpec-enum">Qt::UTC</a>.</p> <p><b>Note: </b>This function is deprecated. For new code, use <a href="qdatetime.html#setSecsSinceEpoch">setSecsSinceEpoch</a>().</p><p><b>See also </b><a href="qdatetime-obsolete.html#toTime_t">toTime_t</a>().</p> <!-- @@@setTime_t --> <!-- $$$toTime_t[overload1]$$$toTime_t --> <h3 class="fn" id="toTime_t"><a name="toTime_t"></a><span class="type"><a href="qtglobal.html#uint-typedef">uint</a></span> QDateTime::<span class="name">toTime_t</span>() const</h3> <p>Returns the datetime as the number of seconds that have passed since 1970-01-01T00:00:00, Coordinated Universal Time (<a href="qt.html#TimeSpec-enum">Qt::UTC</a>).</p> <p>On systems that do not support time zones, this function will behave as if local time were <a href="qt.html#TimeSpec-enum">Qt::UTC</a>.</p> <p><b>Note: </b>This function returns a 32-bit unsigned integer and is deprecated.</p><p>If the date is outside the range 1970-01-01T00:00:00 to 2106-02-07T06:28:14, this function returns -1 cast to an unsigned integer (i.e., 0xFFFFFFFF).</p> <p>To get an extended range, use <a href="qdatetime.html#toMSecsSinceEpoch">toMSecsSinceEpoch</a>() or <a href="qdatetime.html#toSecsSinceEpoch">toSecsSinceEpoch</a>().</p> <p><b>See also </b><a href="qdatetime.html#toSecsSinceEpoch">toSecsSinceEpoch</a>(), <a href="qdatetime.html#toMSecsSinceEpoch">toMSecsSinceEpoch</a>(), and <a href="qdatetime-obsolete.html#setTime_t">setTime_t</a>().</p> <!-- @@@toTime_t --> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>