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#!/usr/bin/env python 3

# -*- coding: utf-8 -*-

'练习面向对象的高级特性的枚举'

__author__ = 'sergiojune'

from enum import Enum, unique

# 使用枚举

Month = Enum('Month', ('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'))

# 获取每一个成员，value是自动生成的，从 1 开始

for month,member in Month.__members__.items():

print(month, '=>', member, member.value)

# 可以继承枚举来实现枚举类

@unique # 这个装饰器是让枚举的键固定值，并且不能相同

class Weekday(Enum):

# 这样就实现了枚举类

Sun = 0

Mon = 1

Tue = 2

Wed = 3

Thu = 4

Fri = 5

Sat = 6

# 访问枚举类的值

print(Weekday.Sun)

print(Weekday(1))

print(Weekday['Wed'])

num =4

# 这个访问值

print(Weekday(4).value == num)

# 这个访问键

print(Weekday(4) == num)

for day, member in Weekday.__members__.items():

print(day, '=>', member)

# 作业：把Student的gender属性改造为枚举类型，可以避免使用字符串

class Gender(Enum):

Male = 0

Female = 1

class Student(object):

def __init__(self, name, gender):

self.name = name

self.gender = gender

# 测试:

bart = Student('Bart', Gender.Male)

if bart.gender == Gender.Male:

print('测试通过!')

else:

print('测试失败!')