看了一個視訊，顛覆了之前對面向物件設計的理解，程式設計真的的很神奇，他的部落格：

之前以為面向物件就是class A(){}，現在知道了只用函式也可以面向物件程式設計。

面向過程、面向物件、函數語言程式設計只是不同的程式設計正規化吧，本身沒有好壞之分，看用的人了。

# -*- coding:utf-8 -*-
dog1={
    'name':'aa',
    'gender':'公',
    'type':'藏獒'
}
dog2={
    'name':'bb',
    'gender':'公',
    'type':'藏獒'
}

def eat(dog):
    print('the %s is eating'%dog['name'])
def jiao(dog):
    print('the %s is jiao'%dog['type'])

eat(dog1)
eat(dog2)
jiao(dog1)
jiao(dog2)
##########################################
dog1={
    'name':'aa',
    'gender':'公',
    'type':'藏獒'
}
dog2={
    'name':'bb',
    'gender':'公',
    'type':'藏獒'
}
person1={
    'name':'cc',
    'gender':'女',
    'type':'人'
}

def eat(dog):
    print('the %s is eating'%dog['name'])
def jiao(dog):
    print('the %s is jiao'%dog['type'])


eat(dog1)
eat(dog2)
jiao(dog1)
jiao(dog2)

eat(person1)
jiao(person1)#這時候人也可以呼叫狗的方法，顯然不合適，應該把狗的方法和狗繫結到一塊，想到了函式的封裝
########################################################
def dog():
    def eat(dog):
        print('the %s is eating'%dog['name'])
    def jiao(dog):
        print('the %s is jiao'%dog['type'])

    dog1 = {
        'name': 'aa',
        'gender': '公',
        'type': '藏獒',
        'eat': eat,#函式名
        'jiao': jiao
    }
    return dog1

d1=dog()
print(d1)#{'gender': '公', 'jiao': <function dog.<locals>.jiao at 0x000000AB5F69CA60>, 'type': '藏獒', 'name': 'aa', 'eat': <function dog.<locals>.eat at 0x000000AB5F69C9D8>}
d1['jiao'](d1)#the 藏獒 is jiao,函式要有引數，這個引數就是他本身d1
########################################################################
######現在的問題是隻有一條狗，這條狗d1在函式裡已經寫死了，如果有另外的狗還要重複程式碼，不能寫死就從外面傳進來################
def dog(name,gender,type):
    def eat(dog):
        print('the %s is eating'%dog['name'])
    def jiao(dog):
        print('the %s is jiao'%dog['type'])

    dog1 = {
        'name': name,
        'gender': gender,
        'type': type,
        'eat': eat,#函式名
        'jiao': jiao
    }
    return dog1

d1=dog('dd','公','京巴')#產生新的狗
d2=dog('ee','母','京巴2')#產生新的狗

print(d1)#{'gender': '公', 'jiao': <function dog.<locals>.jiao at 0x000000AB5F69CA60>, 'type': '藏獒', 'name': 'aa', 'eat': <function dog.<locals>.eat at 0x000000AB5F69C9D8>}
d1['jiao'](d1)#the 藏獒 is jiao,函式要有引數，這個引數就是他本身d1
d2['jiao'](d2)
######################################################
#再做一個小小的改進，加了一個Init函式用來初始化，這樣dog()函式的結構很清晰，包含了三個功能明確的函式
def dog(name,gender,type):
    def eat(dog):
        print('the %s is eating'%dog['name'])
    def jiao(dog):
        print('the %s is jiao'%dog['type'])
    def init(name,gender,type):#用來初始化
        dog1 = {
            'name': name,
            'gender': gender,
            'type': type,
            'eat': eat,  # 函式名
            'jiao': jiao
        }
        return dog1
    return init(name,gender,type)



d1=dog('dd','公','京巴')
d2=dog('ee','母','京巴2')

print(d1)#{'gender': '公', 'jiao': <function dog.<locals>.jiao at 0x000000AB5F69CA60>, 'type': '藏獒', 'name': 'aa', 'eat': <function dog.<locals>.eat at 0x000000AB5F69C9D8>}
d1['jiao'](d1)#the 藏獒 is jiao,函式要有引數，這個引數就是他本身d1
d2['jiao'](d2)