pandas连接和按时间排序

total_pd = pd.concat([total_pd,new_pd])

# 按时间排序：
total_pd['time'] = pd.to_datetime(total_pd['0'], format='%Y%m%d-%H:%M:%S')
total_pd.sort_values(by='time', ascending=True, inplace=True)# print(total_pd[0:10])