转换失败，和东八区时区有关

SYSTEMTIME sys_time={0};

sys_time.wYear = 1970 ;// /* years since 1900 */ sys_time.wMonth = 1 ;//months since January - [0,11]

sys_time.wDay = 1;//day of the month - [1,31]

 sys_time.wHour = 7;// [

sys_time.wMinute = 59; sys_time.wSecond = 59;

sys_time.wMilliseconds = 999;// 

CTime c_time( sys_time ); //出错！！

time_t t_time = c_time.GetTime() ;