python3：time类

代码

from datetime import date,time,datetime

#time类
"""time类由hour小时、minute分钟、second秒、microsecond毫秒和tzinfo五部分组成
 time([hour, minute, second, microsecond, tzinfo])
"""


a =  time(hour=8, minute=18, second=28, microsecond=380)
b =  time(hour=18, minute=28, second=38, microsecond=480)
print ("时间为：",a,"获取该时间的时、分、秒、微秒，如下：")                                                #08:18:28.000380
print("小时	(a.hour):",a.hour,"	(a.__getattribute__('hour')):",a.__getattribute__('hour'))
print("小时	(a.second):",a.second,"	(a.__getattribute__('second')):",a.__getattribute__('second'))
print("小时	(a.microsecond):",a.microsecond,"	(a.__getattribute__('microsecond')):",a.__getattribute__('microsecond'))

"""用于时间比较大小的方法：
方法名        方法说明            用法
__eq__(…)    等于(x==y)        x.__eq__(y)
__ge__(…)    大于等于(x>=y)    x.__ge__(y)
__gt__(…)    大于(x>y)        x.__gt__(y)
__le__(…)    小于等于(x<=y)    x.__le__(y)
__lt__(…)    大于(x<y)        x.__lt__(y)
__ne__(…)    不等于(x!=y)        x.__ne__(y)
"""

print("a=b，a.__eq__(b)",a.__eq__(b))                            #
print("a≥b，a.__ge__(b)",a.__ge__(b))                            #
print("a>b，a.__gt__(b)",a.__gt__(b))                            #
print("a≤b，a.__le__(b)",a.__le__(b))                            #
print("a<b，a.__lt__(b)",a.__lt__(b))                            #
print("a!=b，a.__ne__(b)",a.__ne__(b))                           #


print(a.strftime("%H:%M:%S"))                                    #08:18:28按指定格式输出时间
print(a.isoformat())                                             #08:18:28.000380
print(a.__str__())                                               #08:18:28.000380

#combine(…)：将一个date对象和一个time对象合并生成一个datetime对象
datea = date(2019,11,25)
timea = a
datetimea = datetime.combine(datea,timea)
print (datetimea)                                                #2019-11-25 08:18:28.000380

#__nonzero__() 判断时间是否非零
#print(a.__nonzero__())  #报错，未解决AttributeError: 'datetime.time' object has no attribute '__nonzero__'


"""
常见错误：

问题：TypeError: 'module' object is not callable
原内容：
    import time
    time2 =  time(hour=8, minute=00, second=00, microsecond=0)
    print (time2)
原因：导入的模块错误,应为：from datetime import time
修改后内容：
    from datetime import time
    time2 =  time(hour=8, minute=00, second=00, microsecond=0)
    print (time2)
"""

结果

时间为： 08:18:28.000380 获取该时间的时、分、秒、微秒，如下：
小时    (a.hour): 8     (a.__getattribute__('hour')): 8
小时    (a.second): 28     (a.__getattribute__('second')): 28
小时    (a.microsecond): 380     (a.__getattribute__('microsecond')): 380
a=b，a.__eq__(b) False
a≥b，a.__ge__(b) False
a>b，a.__gt__(b) False
a≤b，a.__le__(b) True
a<b，a.__lt__(b) True
a!=b，a.__ne__(b) True
08:18:28
08:18:28.000380
08:18:28.000380
2019-11-25 08:18:28.000380