Python类的多态的例子

  1 # -*- coding: utf-8 -*-

  2 # 类的多态

  3

  4 # 定义Person父类

  5 class Person(object):

  6     def __init__(self, name, gender):

  7         self.name = name

  8         self.gender = gender

  9     def whoAmI(self):

 10         return 'I am a Person，my name is %s' % self.name

 11

 12

 13 # Student类继承Person

 14 class Student(Person):

 15     def __init__(self, name, gender, score):

 16         self.name = name

 17         self.gender = gender

 18     def whoAmI(self):

 19         return 'I am a Student, my name is %s' % self.name

 20

 21

 22 # Teacher类继承Person

 23 class Teacher(Person):

 24     def __init__(self, name, gender, course):

 25         super(Teacher, self).__init__(name, gender)

 26         self.course = course

 27     def whoAmI(self):

 28         return 'I am a Teacher, my name is %s' % self.name

 29

 30

 31 # Who_am_i调用父类whoAmI函数

 32 def who_am_i(x):

 33     print x.whoAmI()

 34

 35 p = Person('Tim', 'Male')

 36 s = Student('Bob', 'Male', 88)

 37 t = Teacher('Alice','Female', 'English')

 38

 39 who_am_i(p)

 40 who_am_i(s)

 41 who_am_i(t)
巴特西

Python类的多态的例子

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