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