实验五 

class Account:
    '''一个模拟银行账户的简单类'''
    def __init__(self,name,account_number,initial_amount):
        self._name=name
        self._card_no=account_number
        self._balance=initial_amount

    def deposit(self,amount):
        self._balance+=amount

    def withdraw(self,amount):
        self._balance-=amount

    def info(self):
        print(f'{self._name},{self._card_no},{self._balance}')

    def get_balance(self):
        return self._balance

    def get_balance(self):
        return self._balance




def main():
    a1=Account('Bob','5002311',20000)
    a2=Account('Joe','5006692',20000)

    a1.deposit(5000)
    a1.withdraw(4000)

    a2.withdraw(10000)
    a2.withdraw(5000)

    a1.info()
    a2.info()
复制代码
复制代码 
if __name__=='__main__':
    print('模块信息：',__doc__)
    print('Account类信息：',Account.__doc__)
    main()
import account

u1=account.Account('Tom','5004516',10000)
u2=account.Account('Jerry','5003217',10000)

u1.deposit(5000)
u1.info()

u2.withdraw(5000)
u2.info()
'''
这是一个图形类模块
包括：
基类：shape
子类：Rect,Circle
'''

class Shape:
    '''形状基类'''
    def info(self):
        print('形状基类')

class Rect(Shape):
    '''
    矩形类，继承自Shape
    数据（属性）：矩形左上角点的坐标、宽、高
    操作（方法）：打印矩形信息，计算面积、周长
    '''

    def __init__(self,x,y,width,length):
        self._x=x
        self._y=y
        self._width=width
        self._length=length

    def info(self):
        print(f'矩形左上角顶点坐标：({self._x},{self._y})')
        print(f'矩形宽:{self._width}')
        print(f'矩形长:{self._length}')

    def area(self):
        return self._width*self._length

    def perimeter(self):
        return(self._width+self._length)*2

    class Circle(Shape):
        '''
        圆形类，继承自Shape
        数据（属性）：圆心坐标、半径
        操作（方法）：打印圆信息，计算面积、周长
        '''
        def __init__(self,x,y,radius):
            self._x=x
            self._y=y
            self._r=radius

        def info(self):
            print(f'圆心:({self._x},{self._y})')
            print(f'半径:{self._r}')

        def area(self):
            return 3.14*self._r*self._r

        def perimeter(self):
            return 2*3.14*self._r

def main():
    r1=Rect(1,1,5,9)
    r1.info()
    print(f'矩形面积: ',r1.area())
    print(f'矩形周长: ',r1.perimeter())

    c1=Circle(2,3,10)
    c1.info()
    print(f'圆面积:{c1.area():.2f}')
    print(f'圆周长:{c1.perimeter():.2f}')

if __name__=='__main__':
    main()
'''student.py'''

class StudentDoc:
    '''学生档案管理'''
    def __init__(self,student_id,name,major,score):
        self._student_id=student_id
        self._name=name
        self._major=major
        self._score=score
    def info(self):
        print(f'学号：{self._student_id},姓名：{self._name},专业：{self._major},python课程分数：{self._score}')
    def get_score(self):
        return self.score
    def change_score(self,score):
        self._score=score

def main():
    a1=StudentDoc('20','Deinal','art','99')
    a1.change_score(88)
    a1.info()

if __name__ == '__main__': # 如果模块名是'__main__'就执行
    print('模块信息: ', __doc__)
    print('StudentDoc类信息: ', StudentDoc.__doc__)
    main()









            

            
posted @ 
2021-06-01 11:38 
阿迪来木 
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