Python 接口类或抽象类 反射

# 抽象类或者接口类，制定规范，统一方法名

# # 抽象类或者接口类，制定规范，统一方法名
from abc import ABCMeta,abstractmethod
class Payrole(metaclass=ABCMeta):
    @abstractmethod
    def pay(self,money):pass


class QQpay(Payrole):
    def pay(self,money):
        print('您已经通过QQ支付了%s元' % money)


class Wechatpay(Payrole):
    def pay(self,money):
        print('您已经通过微信支付了%s元' % money)

class Alipay(Payrole):
    def pay(self, money):
        print('您已经通过支付宝支付了%s元' % money)

def pay(obj,money):
    obj.pay(money)


qq = QQpay()
weixin = Wechatpay()
ali = Alipay()
pay(qq,700)
pay(weixin,600)
pay(ali,400)
pay(ali,900)

# 将方法转换为属性,修改和删除私有方法

# 将方法转换为属性,修改和删除私有方法

class People:
    def __init__(self, name, age, sex):
        self.name = name
        self.__age = age
        self.__sex = sex
    @property
    def age(self):
        return self.__age

    @age.setter
    def age(self,new_age):
        self.__age = new_age

    @age.deleter
    def age(self):
        return 789


a = People('anthony',19,'男')
# a.age = 21
del a.age
print(a.age)

# 反射(实例化对象、类、当前模块、其他模块)

# 对于实例化对象
class Foo:
    f = '类的静态变量'
    def __init__(self,name,age):
        self.name=name
        self.age=age

    def say_hi(self):
        print('hi,%s'%self.name)

obj=Foo('egon',73)

print(hasattr(obj,'name'))  # 判断属性是否存在
print(getattr(obj,'name'))  # 获取属性

setattr(obj,'oldboy','anthony')   # 修改属性
print(getattr(obj,'oldboy'))

print(delattr(obj,'name'))  # 删除属性
print(getattr(obj,'name'))

# 对于类的示例
class Foo(object):
    staticField = "old boy"

    def __init__(self):
        self.name = 'wupeiqi'

    def func(self):
        return 'func'

    @staticmethod
    def bar():
        return 'bar'

print(getattr(Foo,'staticField'))
print(getattr(Foo,'bar'))

# 对于当前模块的示例
import sys


def s1():
    print( 's1')


def s2():
    print( 's2')


this_module = sys.modules[__name__]


print(getattr(this_module,'s1'))
print(hasattr(this_module,'s2'))

#一个模块中的代码
def test():
    print('from the test')
"""
程序目录：
    module_test.py
    index.py
 
当前文件：
    index.py
"""
# 另一个模块中的代码
import module_test as obj

#obj.test()

print(hasattr(obj,'test'))

getattr(obj,'test')()