组合

'''
1、什么是组合
    组合就是一个类的对象具备某一个属性，该属性的值是指向另外外一个类的对象


2、为何用组合
    组合也是用来解决类与类直接代码冗余问题的

3、如何用组合

class OldboyPeople:
    school = 'oldboy'

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

class OldboyStudent(OldboyPeople):
    def __init__(self,name,age,sex,stu_id):
        OldboyPeople.__init__(self,name,age,sex)
        self.stu_id=stu_id

    def choose_course(self):
        print('%s is choosing course' %self.name)

class OldboyTeacher(OldboyPeople):

    def __init__(self, name, age, sex, level):
        OldboyPeople.__init__(self,name,age,sex)
        self.level=level

    def score(self,stu,num):
        stu.score=num
        print('老师[%s]为学生[%s]打分[%s]' %(self.name,stu.name,num))


stu1=OldboyStudent('猪哥',19,'male',1)
tea1=OldboyTeacher('egon',18,'male',10)

stu1.choose_course()
tea1.score(stu1,100)
print(stu1.__dict__)

'''
# class Course:
#     def __init__(self,name,period,price):
#         self.name=name
#         self.period=period
#         self.price=price
#
#     def tell_info(self):
#         msg="""
#         课程名：%s
#         课程周期：%s
#         课程价钱：%s
#         """ %(self.name,self.period,self.price)
#         print(msg)
#
# class OldboyPeople:
#     school = 'oldboy'
#
#     def __init__(self, name, age, sex):
#         self.name = name
#         self.age = age
#         self.sex = sex
#
# class OldboyStudent(OldboyPeople):
#     def __init__(self,name,age,sex,stu_id):
#         OldboyPeople.__init__(self,name,age,sex)
#         self.stu_id=stu_id
#
#     def choose_course(self):
#         print('%s is choosing course' %self.name)
#
# class OldboyTeacher(OldboyPeople):
#
#     def __init__(self, name, age, sex, level):
#         OldboyPeople.__init__(self,name,age,sex)
#         self.level=level
#
#     def score(self,stu,num):
#         stu.score=num
#         print('老师[%s]为学生[%s]打分[%s]' %(self.name,stu.name,num))
#
# # 创造课程
# python=Course('python全栈开发','5mons',3000)
# linux=Course('linux运维','5mons',800)
# # python.tell_info()
# # linux.tell_info()
#
#
# # 创造学生与老师
# stu1=OldboyStudent('猪哥',19,'male',1)
# tea1=OldboyTeacher('egon',18,'male',10)
#
#
# # 将学生、老师与课程对象关联/组合
# stu1.course=python
# tea1.course=linux
#
# stu1.course.tell_info()
# tea1.course.tell_info()


class OldboyPeople:
    school = 'Oldboy'

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

class OldboyStudent(OldboyPeople):
    def __init__(self, name, age, sex,score=0):
        OldboyPeople.__init__(self,name,age,sex)
        self.score = score
        self.courses=[]

    def choose_course(self):
        print('%s choosing course' % self.name)

    def tell_all_course(self):
        print(('学生[%s]选修的课程如下' %self.name).center(50,'='))
        for obj in self.courses:
            obj.tell_info()
        print('='*60)

class OldboyTeacher(OldboyPeople):
    def __init__(self,name,age,sex,level):
        OldboyPeople.__init__(self,name,age,sex)
        self.level=level
        self.courses=[]

    def score(self,stu,num):
        stu.score=num

        # print("学生%s的成绩为%s"%(stu.name,stu.score))


    def tell_all_course(self):
        print(('老师[%s]教授的课程如下' %self.name).center(50,'*'))
        for obj in self.courses:
            obj.tell_info()
        print('*'*70)

class Course:
    def __init__(self,c_name,c_price,c_period):
        self.c_name = c_name
        self.c_price = c_price
        self.c_period = c_period

    def tell_info(self):
        print('<课程名:%s 价钱:%s 周期:%s>' %(self.c_name,self.c_price,self.c_period))

# 创建课程对象
python=Course('python全栈开发',1900,'5mons')
linux=Course('linux架构师',900,'3mons')


stu1=OldboyStudent('刘二蛋',38,'male')
stu1.courses.append(python)
stu1.courses.append(linux)
# print(stu1.courses)
stu1.tell_all_course()


tea1=OldboyTeacher('egon',18,'male',10)
tea1.courses.append(python)
# print(tea1.courses)
tea1.tell_all_course()
# tea1.score(stu1,90)