c++ c字符串与time_c和time_c与c字符串之间的转换...

http://cyanman.blog.163.com/blog/static/15250208200892501645480/

//指定time_t类型的时间，格式化为YYYYMMDDHH24MISS型的字符串
void FormatTime(time_t time1, char *szTime)
{
    struct tm tm1;

#ifdef WIN32
    tm1 = *localtime(&time1);
#else
    localtime_r(&time1, &tm1 );
#endif
    sprintf( szTime, "%4.4d%2.2d%2.2d%2.2d%2.2d%2.2d",
           tm1.tm_year+1900, tm1.tm_mon+1, tm1.tm_mday,
             tm1.tm_hour, tm1.tm_min,tm1.tm_sec);
}

//指定YYYYMMDDHH24MISS型的时间，格式化为time_t型的时间
time_t FormatTime2(char * szTime)
{
    struct tm tm1;
    time_t time1;

    sscanf(szTime, "%4d%2d%2d%2d%2d%2d",   
          &tm1.tm_year,
          &tm1.tm_mon,
          &tm1.tm_mday,
          &tm1.tm_hour,
          &tm1.tm_min,
          &tm1.tm_sec);
       
    tm1.tm_year -= 1900;
     tm1.tm_mon --;

    tm1.tm_isdst=-1;
 
    time1 = mktime(&tm1);
    return time1;
}