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  • Python -- OOP高级 -- 枚举类


    Enum可以把一组相关常量定义在一个class中,且class不可变,而且成员可以直接比较。

    from enum import Enum
    
    Month = Enum('Month', ('Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 
                            'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'))
                            
    for name, member in Month.__members__.items():
        print("%s => %s, %d" % (name, member, member.value))

    >>> 
    Jan => Month.Jan, 1
    Feb => Month.Feb, 2
    Mar => Month.Mar, 3
    Apr => Month.Apr, 4
    May => Month.May, 5
    Jun => Month.Jun, 6
    Jul => Month.Jul, 7
    Aug => Month.Aug, 8
    Sep => Month.Sep, 9
    Oct => Month.Oct, 10
    Nov => Month.Nov, 11
    Dec => Month.Dec, 12

    KEEP LEARNING!
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  • 原文地址:https://www.cnblogs.com/roronoa-sqd/p/4900427.html
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