Python 中 类当中继承多态的案例

class SchoolPerson:
    """学校有哪些人"""

    def __init__(self, name, age):  # 创建实例方法
        self.name, self.age = name, age
        print(f"实例化学校成员：{self.name}")

    def say(self):
        print(f"姓名：{self.name}\n年龄：{self.age}")


class Teacher(SchoolPerson):
    """
    老师，继承SchoolPerson类
    """

    def __init__(self, name, age, salary):
        """

        :param name:
        :param age: 年龄
        :param salary: 工资
        """
        # 使用 super() + __init__ 调用父类的init方法，自动传self
        # 使用 super 不加括号也可以
        super().__init__(name, age)
        self.salary = salary

    def say(self):
        # 类名 + 父类的 say(self)
        SchoolPerson.say(self)
        print(f"工资：{self.salary}")


class Student(SchoolPerson):
    """
    学生，继承SchoolPerson类
    """

    def __init__(self, name, age, score):
        # 父类名 + init 方法，指定self
        SchoolPerson.__init__(self, name, age)
        self.score = score

    def say(self):
        SchoolPerson.say(self)
        print(f"分数：{self.score}")


t = Teacher("可优", 17, "保密")
s1 = Student("小优优", 22, "90")
s2 = Student("小明", 16, "99.99")

persons = [t, s1, s2]
for per in persons:
    per.say()