該函數表示兩個時間的間隔
參數可選、默認值都為0:datetime.timedelta(days=0, seconds=0, microseconds=0, milliseconds=0, minutes=0, hours=0, weeks=0)
比如要輸出當前時間一小時之后的時間:
#coding:utf-8
from datetime import datetime,timedelta
time1 = datetime.now()
print time1
print time1.strftime("%y-%m-%d %H:%M:%S")
print (time1+timedelta(hours =1)).strftime("%y-%m-%d %H:%M:%S")
結果: