Python-100-Days/Day16-20/code/example12.py at master · JavaPythonGO/Python-100-Days · GitHub

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"""

面向对象的三大支柱：封装、继承、多态

面向对象的设计原则：SOLID原则

面向对象的设计模式：GoF设计模式（单例、工厂、代理、策略、迭代器）

月薪结算系统 - 部门经理每月15000 程序员每小时200 销售员1800底薪加销售额5%提成

"""

from abc import ABCMeta, abstractmethod

class Employee(metaclass=ABCMeta):

"""员工(抽象类)"""

def __init__(self, name):

self.name = name

@abstractmethod

def get_salary(self):

"""结算月薪(抽象方法)"""

pass

class Manager(Employee):

"""部门经理"""

def get_salary(self):

return 15000.0

class Programmer(Employee):

"""程序员"""

def __init__(self, name, working_hour=0):

self.working_hour = working_hour

super().__init__(name)

def get_salary(self):

return 200.0 * self.working_hour

class Salesman(Employee):

"""销售员"""

def __init__(self, name, sales=0.0):

self.sales = sales

super().__init__(name)

def get_salary(self):

return 1800.0 + self.sales * 0.05

class EmployeeFactory():

"""创建员工的工厂（工厂模式 - 通过工厂实现对象使用者和对象之间的解耦合）"""

@staticmethod

def create(emp_type, *args, **kwargs):

"""创建员工"""

emp_type = emp_type.upper()

emp = None

if emp_type == 'M':

emp = Manager(*args, **kwargs)

elif emp_type == 'P':

emp = Programmer(*args, **kwargs)

elif emp_type == 'S':

emp = Salesman(*args, **kwargs)

return emp