5.16

设计高校人员信息包，并完成测试

【题目描述】定义一个人员类People，其属性有：姓名、性别、年龄；基于People实现学生类Student，添加属性：学号、入学时间和入学成绩；基于People实现教师类Teacher，添加属性：职务、部门、工作时间；基于Student实现究生类Graduate，添加属性：研究方向和导师，分别定义其中的构造函数和输出函数。程序中定义各种类的对象，并完成测试。 基于以上类利用接口实现在职研究生类 GradOnWork。

【源代码程序】

class People:

 

    def __init__(self, name='qaz', gender='男', age=21):

 

        self.name = name

 

        self.gender = gender

 

        self.age = age

 

    def display(self):

 

        print("姓名：" + self.name + "\n性别：" + self.gender + "\n年龄：" + str(self.age))

 

class Student(People):

 

    def __init__(self, student_id="20210001", into_time="2021-09-01", into_score="100.0"):

 

        People.__init__(self, name='qaz', gender='男', age=21)

 

        self.student_id = student_id

 

        self.into_time = into_time

 

        self.into_score = into_score

 

    def display(self):

 

        print("姓名：" + self.name + "\n性别：" + self.gender + "\n年龄：" + str(

 

            self.age) + "\n学号：" + self.student_id + "\n入学时间：" + self.into_time + "\n入学成绩：" + str(self.into_score))

 

class Teacher(People):

 

    def __init__(self, post="院长", department="软件工程学院", job_time="2000-1-01"):

 

        People.__init__(self, name='wsx', gender='男', age=40)

 

        self.post = post

 

        self.department = department

 

        self.job_time = job_time

 

    def display(self):

 

        print("姓名：" + self.name + "\n性别：" + self.gender + "\n年龄：" + str(

 

            self.age) + "\n职务：" + self.post + "\n部门：" + self.department + "\n工作时间：" + self.job_time)

 

class Graduate(Student):

 

    def __init__(self, research_fields="人工智能", teacher="wjm"):

 

        Student.__init__(self, student_id="20210002", into_time="2021-09-01", into_score="60.0")

 

        self.research_fields = research_fields

 

        self.teacher = teacher

 

    def display(self):

 

        print("姓名：" + self.name + "\n性别：" + self.gender + "\n年龄：" + str(

 

            self.age) + "\n学号：" + self.student_id + "\n入学时间：" + self.into_time + "\n入学成绩：" + str(

 

            self.into_score) + "\n研究方向：" + self.research_fields + "\n导师：" + self.teacher)

 

class GradOnWork(Teacher, Graduate):

 

    def __init__(self):

 

        Teacher.__init__(self, post="辅导员", department="软件工程学院", job_time="2000-1-01")

 

        Graduate.__init__(self, research_fields="人工智能", teacher="wjm")

 

    def display(self):

 

        print("姓名：" + self.name + "\n性别：" + self.gender + "\n年龄：" + str(

 

            self.age) + "\n职务：" + self.post + "\n部门：" + self.department + "\n工作时间：" + self.job_time + "\n学号：" + self.student_id + "\n入学时间：" + self.into_time + "\n入学成绩：" + str(

 

            self.into_score) + "\n研究方向：" + self.research_fields + "\n导师：" + self.teacher)

 

p = People() # 人员类

 

p.display()

 

s = Student() # 学生类

 

s.display()

 

t = Teacher() # 教师类

 

t.display()

 

g = Graduate() # 研究生类

 

g.display()

 

gw = GradOnWork() # 在职研究生类

 

gw.display()