time_t和SYSTEMTIME之间的相互转换

/*

**<a target=_blank href="http://www.cnblogs.com/FCoding/archive/2012/11/09/2762982.html">time_t转SYSTEMTIME</a>

*/

/*

**<a target=_blank href="http://www.cnblogs.com/FCoding/archive/2012/11/09/2762982.html">SYSTEMTIME转time_t</a>

*/

/*

**time_t转SYSTEMTIME

*/

/*

**SYSTEMTIME转time_t

*/
time_t SystemTimeToTime_t( const SYSTEMTIME& st )

{

tm temptm = {st.wSecond,

st.wMinute,

st.wHour,

st.wDay,

st.wMonth - 1,

st.wYear - 1900,

st.wDayOfWeek,

0,

0};

return mktime(&temptm);