编程代码片段Tips

(一)时间转换方法

1.使用std::time_t

  time_t ts_time = std::time(0);
  tm time_tm = {0};
  localtime_s(&time_tm, &ts_time);
  time_tm.tm_hour = 0;
  time_tm.tm_min = 0;
  time_tm.tm_sec = 0;
  ts_time = mktime(&time_tm);