Python学习之类的组合

#!/usr/bin/env python
#-*-coding:utf8-*-

class School(object):
    def __init__(self,name,addr):
        self.name = name
        self.addr = addr
        self.students = []
        self.staffs = []

    def enroll(self,stu_obj):
        print("为学员%s办理注册手续"%stu_obj.name)
        self.students.append(stu_obj)

    def hire(self,staff_obj):
        self.staffs.append(staff_obj)
        print("雇佣新员工%s"%staff_obj.name)

class SchoolMember(object):
    def __init__(self,name,age,sex):
        self.name=name
        self.age=age
        self.sex=sex

    def tell(self):
        pass

class Teacher(SchoolMember):
    # 重构父类构造函数
    def __init__(self,name,age,sex,salary,course,School):   # 实例化Teacher(子类)的时候传name,age,sex三个参数给父类
        #先把父类的构造函数覆盖了
        #再继承
        #再添加自己的东西
        #调用父类的初始化，将父类中的属性进行初始化,并且将self对象作为参数传递到父类的初始化函数中
        super(Teacher,self).__init__(name,age,sex)   # 实例化Teacher(子类)的时候传name,age,sex三个参数给父类

        self.school = School   #类的组合，相当于school = School("尚硅谷","沙河")，实例化一个school，实例化teacher的时候把school传到了里面，调用时使用self.school.name
        self.salary=salary
        self.course=course

    def tell(self):
        print('''
        ----info of Teacher:%s----
        Name:%s
        Age:%s
        Sex:%s
        Salary:%s
        Course:%s
        School:%s
        '''%(self.name,self.name,self.age,self.sex,self.salary,self.course,self.school.name))

    def teach(self):
        print("%s is teaching course [%s]"%(self.name,self.course))

class Student(SchoolMember):
    def __init__(self,name,age,sex,stu_id,grade):
        super(Student,self).__init__(name,age,sex)
        self.stu_id=stu_id
        self.grade=grade

    def tell(self):
        print('''
        ----info of Student:%s----
        Name:%s
        Age:%s
        Sex:%s
        Stu_id:%s
        grade:%s
        '''%(self.name,self.name,self.age,self.sex,self.stu_id,self.grade))

    def pay_tution(self,amount):
        print("%s has paid tution for %s"%(self.name,amount))

#生成学校，老师，学生
school1 = School("尚硅谷","沙河")

t1 = Teacher("Oldboy",56,"M",222222,"Linux",school1)  #将School作为参数传递给教师实例

t2 = Teacher("alex",58,"W",100,"python",school1)

s1 = Student("bbb",36,"MF",102,"python")
s2 = Student("aea",86,"M",101,"linux")

t1.tell()
s1.tell()

school1.hire(t1)
school1.enroll(s1)
school1.enroll(s2)

print(school1.students)
print(school1.staffs)
school1.staffs[0].teach()

for stu in school1.students:
    stu.pay_tution(5000)