python 面向对象 新式类和经典类
# 经典类写法
# schoolMember.__init__(self, name, age, sex)
# 新式类写法
super(Teather, self).__init__(name, age, sex)
class schoolMember(object): '''学校成员分类''' member = 0 def __init__(self, name, age, sex): self.name = name self.age = age self.sex = sex self.enroll() # 实例化时候 自动注册 def enroll(self): '''注册''' print("just enrolled a new school member [%s]" % self.name) schoolMember.member += 1 def tell(self): print("%s info".center(40, "-") % self.name) for i in self.__dict__: # 循环字典 t1.__dict__ print("\t", i, self.__dict__[i]) print("End".center(40, "-")+"\n") def __del__(self): # 析构函数 print("开除了 [%s]" % self.name) schoolMember.member -= 1 class Teather(schoolMember): '''教师类''' def __init__(self, name, age, sex, salary, course): # 经典类写法 # schoolMember.__init__(self, name, age, sex) # 新式类写法 super(Teather, self).__init__(name, age, sex) self.salary = salary self.course = course def teaching(self): print("tearcher [%s] is teaching [%s]" % (self.name, self.course)) class Student(schoolMember): '''学生类''' def __init__(self, name, age, sex, course, tuition): super(Student, self).__init__(name, age, sex) self.course = course self.tuition = tuition self.amount = 0 def pay_tuition(self, amount): print("student [%s] has just paied [%s]" % (self.name, amount)) self.amount += amount t1 = Teather("mike", 28, "F*M", 10000, "python") s1 = Student("jianlin", 21, "N/A","pythons15", 100000) s2 = Student("mayun", 12, "M", "pythons15", 210000) print(schoolMember.member) t1.tell() s1.tell() s2.tell() del s1 print(schoolMember.member) del s2 print(schoolMember.member) del t1 print(schoolMember.member) ''' just enrolled a new school member [mike] just enrolled a new school member [jianlin] just enrolled a new school member [mayun] 3 ----------------mike info----------------- name mike age 28 sex F*M salary 10000 course python ------------------End------------------- ----------------jianlin info----------------- name jianlin age 21 sex N/A course pythons15 tuition 100000 amount 0 ------------------End------------------- ----------------mayun info----------------- name mayun age 12 sex M course pythons15 tuition 210000 amount 0 ------------------End------------------- 开除了 [jianlin] 2 开除了 [mayun] 1 开除了 [mike] 0 '''
class Person(object): # 新式类
super
class Person: # 经典类
Person.__init__()
现在主要写新式类