1.

# Author:Jesi
# Time : 2018/12/29 16:33
class Base(object):
    def func(self):
        super(Base,self).func()
        print("Base.func")


class Bar(object):
    def func(self):
        print("Bar.func")

class Foo(Base,Bar):
    pass

obj = Foo()
obj.func()
print(Foo.__mro__)  #
 
 super不是找父類，而是根據__mro__
‘‘‘
Bar.func
Base.func
(<class ‘__main__.Foo‘>, <class ‘__main__.Base‘>, <class ‘__main__.Bar‘>, <class ‘object‘>)
‘‘‘

# =======================================
obj = Base()
obj.func()   # AttributeError: ‘super‘ object has no attribute ‘func‘
 

2.偏函數

# Author:Jesi
# Time : 2018/12/29 16:23
import functools


def index(a1, a2):
    return a1 + a2


# 偏函數幫助開發者自動傳遞參數
new_func = functools.partial(index, 666)

ret = new_func(1)
print(ret)  # 667

3.繼承

# Author:Jesi
# Time : 2018/12/29 16:27

class Base(object):
    def func(self):
        
 
print("base.func")



class Foo(Base):
    def func(self):

        # 方式一：執行父類的func
        super(Foo,self).func()

        # 方式二：主動執行Base類的方法
        Base.func(self)

        # 執行真正的子類func
        print("Foo.func")

obj = Foo()
obj.func()

面向對象的日常筆記