python - 組合的用法 加小練習

面向對向的三大特性 :  繼承、多態、封裝


以下是組合的功能

#人狗大戰class Dog:
    def __init__(self,name,aggr,hp,kind):
        self.name =  name
        self.aggr = aggr
        self.hp = hp
        self.kind = kind

    def bite(self,person):
        person.hp  -= self.aggr


class Person:
    def __init__(self,name,aggr,hp,sex):
        self.name =  name
        self.aggr = aggr
        self.hp = hp
        self.sex = sex
        self.money = 0
    def attack(self,dog):
       dog.hp -= self.aggr

    def get_weapon(self,weapon):
        if self.money >= weapon.price:
            self.money -= weapon.price
            self.weapon = weapon
            self.aggr += weapon.aggr
        else:
            print("餘額不足，請先充值")

class Weapon :
    def __init__(self,namen,aggr,njd,price):
        self.name = namen
        self.aggr = aggr
        self.njd = njd
        self.price = price

    def hand18(self,person):
        if self.njd > 0:
            person.hp -= self.aggr *2            self.njd -= 1
alex = Person('alex',0.5,100,"不詳")
jin = Dog('金老闆',100,500,'teddy')
w = Weapon('打狗棒',100,3,998)
#alex  裝備打狗棒alex.money += 1000alex.get_weapon(w)
print(alex.aggr)
alex.attack(jin)
print(jin.hp)
alex.weapon.hand18(jin)
print(jin.hp)

#組合 : 一個對象的屬性值是另外一個類的對象#     

#alex.weapon是 weapon類的對象

執行結果: