python之类的继承

我们用类的继承来做一个学校的程序。

里面包含类--school

类--schoolmermber

子类--teacher

子类--students

然后实现一些注册，交学费，打印老师和学生信息的功能。

# __*__ coding: utf-8 __*__# __author__ = "David.z"class School(object):    members = 0def __init__(self,name,addr):        self.name = name        self.addr = addr        self.students = []# self.teachers = []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):print ("为员工%s办理入职手续" % 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# passdef tell(self):passclass Teacher(SchoolMember):def __init__(self,name,age,sex,salary,course):        super(Teacher, self).__init__(name,age,sex)        self.salary = salary        self.course = coursedef tell(self):print('''----info of Teacher: %s ----        Name:%s        Age:%s        Sex:%s                Salary:%s        Course:%s'''%(self.name,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  = gradedef 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_tuition(self,amount):print ("%s has paid tution for $[%s]"%(self.name,amount))school = School("思远教育学院","湖北武汉")t1 = Teacher("薛永春",26,"男",200000,"Cisco")t2 = Teacher("陈洁",22,"男",180000,"SQL")s1 = Student("周倩",18,"女",1001,"Python")s2 = Student("姚景鹏",18,"男",1002,"Cisco")t1.tell()t1.teach()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(20000)

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