bokeyuan = {"b": 1,
? ? ? ? ? ? ? ? "o": 2,
? ? ? ? ? ? ? ? "k": 3,
? ? ? ? ? ? ? ? "e": 4,
? ? ? ? ? ? ? ? "y": 5,
? ? ? ? ? ? ? ? "u": 6,
? ? ? ? ? ? ? ? "a": 7,
? ? ? ? ? ? ? ? "n": 8,
? ? ? ? ? ? ? ? }
?
class Dict2Obj:
?
? ? # def __init__(self, bokeyuan):
? ? # ? ? self.b = bokeyuan['b']
? ? # ? ? self.o = bokeyuan['o']
? ? # ? ? self.k = bokeyuan['k']
? ? # ? ? self.e = bokeyuan['e']
? ? # ? ? self.y = bokeyuan['y']
? ? # ? ? self.u = bokeyuan['u']
? ? # ? ? self.a = bokeyuan['a']
? ? # ? ? self.n = bokeyuan['n']
?
? ? def __init__(self, bokeyuan):
? ? ? ? print("修改前:", self.__dict__)
? ? ? ? self.__dict__.update(bokeyuan)
? ? ? ? print("修改后：", self.__dict__)
?
d = Dict2Obj(bokeyuan)
print(d)

D:\MC\venv\Scripts\python.exe D:/MC/test03.py
修改前: {}
修改后： {'b': 1, 'o': 2, 'k': 3, 'e': 4, 'y': 5, 'u': 6, 'a': 7, 'n': 8}
<__main__.Dict2Obj object at 0x0000019722B78400>
?
Process finished with exit code 0

#首先創(chuàng)建一個(gè)類cls,這個(gè)類中包含一個(gè)值為1的類變量clsvar，一個(gè)值為2的實(shí)例變量insvar,
class cls:
? ? clsvar = 1
? ? def __init__(self):
? ? ? ? self.insvar = 2
?
#創(chuàng)建類的實(shí)例ins1和ins2ins1 = cls()
ins2 = cls()
?
print(cls.__dict__) #類的__dict__屬性
print(ins1.__dict__) # 實(shí)例對(duì)象ins1的__dict__屬性
?
ins1.clsvar=20
print(cls.clsvar)
print(ins1.clsvar)
print(ins2.clsvar) # ins1實(shí)例改變類變量不會(huì)影響ins2實(shí)例
print(cls.__dict__) #類的__dict__屬性
print(ins1.__dict__) # 實(shí)例對(duì)象ins1的__dict__屬性

D:\MC\venv\Scripts\python.exe D:/MC/test03.py
{'__module__': '__main__', 'clsvar': 1, '__init__': <function cls.__init__ at 0x00000156AEC75040>, '__dict__': <attribute '__dict__' of 'cls' objects>, '__weakref__': <attribute '__weakref__' of 'cls' objects>, '__doc__': None}
{'insvar': 2}
1201
{'__module__': '__main__', 'clsvar': 1, '__init__': <function cls.__init__ at 0x00000156AEC75040>, '__dict__': <attribute '__dict__' of 'cls' objects>, '__weakref__': <attribute '__weakref__' of 'cls' objects>, '__doc__': None}
{'insvar': 2, 'clsvar': 20}
?
Process finished with exit code 0