python中时间差中seconds和total_seconds - 折翼的飞鸟 - 博客园 (cnblogs.com)
都是获取两个datetime之间相差的秒数;
不同是的seconds不管日期,只计算时间之差,即时日期不同也只计算时间之差
total_seconds()计算的差值包括日期,也就是日期和时间之差
import datetime t1 = datetime.datetime.strptime("2023-10-31 10:30:00", "%Y-%m-%d %H:%M:%S") t2 = datetime.datetime.strptime("2023-10-31 12:30:00", "%Y-%m-%d %H:%M:%S") interval_time = (t2 - t1).seconds print(interval_time) # 7200 total_interval_time = (t2 - t1).total_seconds() print(total_interval_time) # 7200.0 # 换一个方式 t1 = datetime.datetime.strptime("2023-10-27 10:30:00", "%Y-%m-%d %H:%M:%S") t2 = datetime.datetime.strptime("2023-10-31 12:30:00", "%Y-%m-%d %H:%M:%S") interval_time2 = (t2 - t1).seconds print(interval_time2) # 7200 total_interval_time2 = (t2 - t1).total_seconds() print(total_interval_time2) # 352800.0