day⑥:面向对象

#!/usr/bin/env python
#coding=utf-8
class SchoolMember(object):
    members=0
    def __init__(self,name,age,sex):
        self.name=name
        self.age=age
        self.sex=sex
        self.enroll()
    def tell(self):
        print("my name is %s"  %self.name)
    def enroll(self):
        SchoolMember.members+=1
        print("\033[32;1mnew member [%s] is enrolled,now there are [%s] members.\033[0m"%(self.name,SchoolMember.members) )
    #def __del__(self):
    #    print("\033[31;1mmember [%s] is dead!\033[0m" %self.name)
class Teacher(SchoolMember):
    def __init__(self,name,age,sex,course,salary):
        super(Teacher,self).__init__(name,age,sex)
        #SchoolMember.__init__(self,name,age,sex) #经典类的写法，旧，不要用
        self.course=course
        self.salary=salary
    def teaching(self):
        print("Teacher [%s] is teaching [%s] for class [%s]"%(self.name,self.course,"s12"))
class Student(SchoolMember):
    def __init__(self,name,age,sex,course,tuition):
        super(Student,self).__init__(name,age,sex)
        self.course=course
        self.tuition=tuition
    def pay_tution(self):
        print("cao ,student [%s] paying tution" %self.tuition)
s1=Student("yaobin",24,"boy","py","1800")
t1=Teacher("alex",30,"boy","py","100000")
s2=Student("meimei",25,"girl","py","1800")
t2=Teacher("wusir",27,"boy","py","120000")
s1.tell()
s1.pay_tution()
t1.tell()
t1.teaching()
#结果：
new member [yaobin] is enrolled,now there are [1] members.
new member [alex] is enrolled,now there are [2] members.
new member [meimei] is enrolled,now there are [3] members.
new member [wusir] is enrolled,now there are [4] members.
my name is yaobin
cao ,student [1800] paying tution
my name is alex
Teacher [alex] is teaching [py] for class [s12]