python面向对象操作1（速通版）（3）

class Person(object):
    def eat(self,food):
        print('一个人在吃',food)
    def sleep(self,t):
        print('一个人睡了',t,'小时')
tom = Person()
print(tom)
tom.eat('饭')
tom.sleep(10)

class Person(object):
    def eat(self,food):
        print(self.name,'一个人在吃',food)
    def sleep(self,t):
        print(self.name ,'睡了',t,'小时')
tom = Person()
print(tom)
tom.name = 'tom'
tom.eat('饭')
tom.sleep(10)

class Lei(object):
    def __init__(self,name,age):
        print('init run ...', self)
        #绑定属性时，使用self.属性名 = 值
        self.name = name
        self.age = age
    def show(self):
        print(self.name,self.age)
rom = Lei('rom',10)
print(rom)
print(rom.name)
print(rom.age)
rom.show()
print("________________________________________________________________________________________________________________")
jack = Lei('jack',18)
print(jack)
print(jack.name)
print(jack.age)
jack.show()

class Lei(object):
    def __init__(self,name,age,height):
        #绑定属性时，使用self.属性名 = 值
        self.name = name
        self.age = age
        self.height = height
    def __str__(self):
        print("to String run ....",self.name)
        print(self.name,self.age,self.height)
        #这个方法必须有个返回值，哪怕是个空串
        return "123"
rom = Lei('rom',10,'100cm')
print(rom)
print(rom.name)
print(rom.age)
print(rom.height)
print("________________________________________________________________________________________________________________")
jack = Lei('jack',18,'1800cm')
print(jack)
print(jack.name)
print(jack.age)
print(jack.height)

class Lei(object):
    def __init__(self,name,age,height):
        #绑定属性时，使用self.属性名 = 值
        self.name = name
        self.age = age
        self.height = height
    def __str__(self):
        st = self.name.ljust(6)+str(self.age).ljust(5)+self.height.ljust(10)
        #这个方法必须有个返回值，哪怕是个空串
        return st
rom = Lei('rom',10,'100cm')
print(rom)
print(rom.name)
print(rom.age)
print(rom.height)
print("________________________________________________________________________________________________________________")
jack = Lei('jack',18,'1800cm')
print(jack)
print(jack.name)
print(jack.age)
print(jack.height)

class Lei(object):
    def __init__(self,name,age,height):
        #绑定属性时，使用self.属性名 = 值
        self.name = name
        self.age = age
        self.height = height
    def __str__(self):
        st = self.name.ljust(6)+str(self.age).ljust(5)+self.height.ljust(10)
        #这个方法必须有个返回值，哪怕是个空串
        return st
    def __del__(self):
        print("del 被调用")
rom = Lei('rom',10,'100cm')
del rom
print('over')

class SweetPotato(object):
    #实现初始化方法，初始地瓜状态，和总烧烤时间
    def __init__(self):
        self.status = '生瓜蛋子'
        self.total_time = 0
    #实现一个烧烤方法
    #该方法有一个烧烤时间，这个时间会被累积到总时间上
    #判断总时间，来改变地瓜状态
    def cook(self,t):
        #累加时间
        self.total_time += t
        #判断 时间来改变地瓜状态
        if self.total_time >=1 and self.total_time < 3:
            self.status = "还是生的"
        elif self.total_time >=3 and self.total_time < 6:
            self.status = "半生不熟"
        elif self.total_time >=6 and self.total_time < 8:
            self.status = "烤好了"
        elif self.total_time >=8 and self.total_time < 10:
            self.status = "烤糊了"
        else:
            self.status = "成炭了"
        #显示地瓜对象
    def __str__(self):
        s = self.status + f'被烤了 {self.total_time}' + '分钟'
        return s
sp1 = SweetPotato()
print(sp1)
sp1.cook(2)
print(sp1)
sp1.cook(2)
print(sp1)
sp1.cook(2)
print(sp1)
sp1.cook(2)
print(sp1)
sp1.cook(2)
print(sp1)

class Dog(object):
    def __init__(self,name,age):
        self.name = name
        self.age = age
    def bark(self,n):
        for i in range(n):
            print("wowowo!")
class Person(object):
    def __init__(self,name,age):
        self.name = name
        self.age = age
    def add_pet(self,pet):
        self.pet = pet
    def listen_dog_bark(self,n):
        self.pet.bark(n)
tom = Person('tom',20)
tom.add_pet(Dog('旺财',5))
tom.listen_dog_bark(2)

class Furniture(object):
    def __init__(self,name,area):
        self.name = name
        self.area = area
class House(object):
    def __init__(self,address,area):
        self.address = address
        self.area = area
        #只有百分之七十可以放家具
        self.free_area  = area * 0.7
        self.ocp = 0
        self.Fur = list()
    def add_funiture(self,F):
        if self.free_area - ( self.ocp + F.area) >= 0:
            self.ocp += F.area
            self.Fur.append(F.name)
        else:
            print("不好意思，该家具太大了，不能添加")
    def check_having_fur_and_space(self):
        if len(self.Fur) == 0:
            print("you do not have any FUR")
        else:
            print("fur: ",self.Fur)
            print("having space:",self.free_area-self.ocp)
home1 = House("beijing",100)
home1.check_having_fur_and_space()
print("____________________________________________________________________________")
home1.add_funiture(Furniture('电视',10))
home1.check_having_fur_and_space()
home1.add_funiture(Furniture('桌子',15))
home1.check_having_fur_and_space()
home1.add_funiture(Furniture('床',20))
home1.check_having_fur_and_space()
home1.add_funiture(Furniture('电脑',10))
home1.check_having_fur_and_space()
home1.add_funiture(Furniture('沙发',20))
home1.check_having_fur_and_space()
home1.add_funiture(Furniture('衣柜',15))
home1.check_having_fur_and_space()