类继承

Posted 2021-01-04 yanyezt

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

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

    def hire(self,staff_obj):
        print("雇佣新员工%s" % staff_obj.name)
        self.staffs.append(staff_obj)
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):
    def __init__(self,name,age,sex,salary,course):
        super(Teacher,self).__init__(name,age,sex)
        self.salary = salary
        self.course = course

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

    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---
       Name:%s
       Age:%s
       Sex:%s
       Stu_id:%s
       Grade:%s
           """ % (self.name, self.age, self.sex, self.stu_id, self.grade))
    def pay_tuition(self,amount):
        print("%s pay amount [%s]" % (self.name,amount))

school = School("Yangtzeu","荆州")
print(school.name,school.addr)

t1 = Teacher("Alice",55,"M",2000,"Linux")
t2 = Teacher("Alex",23,"M",3000,"python")

s1 = Student("张良",35,"M",10001,"python")
s2 = Student("李商隐",24,"F",10002,"Linux")

t1.tell()
s1.tell()
school.hire(t1)

school.enroll(s1)
school.enroll(s2)

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

for stu in school.students:
    stu.pay_tuition(5000)