xdc_git_python_20210511/python_base/day11/计算.py

# -*- coding: UTF-8 -*-

# def Foo():
#     n1 = 20
#     n2 = 10
#     def add_item():
#         print(n1 + n2)
#     def reduce():
#         print(n1 - n2)
#     return {"add": add_item, "reduce": reduce}

# obj = Foo()
# obj["add"]()
# obj["reduce"]()

###============ 类的写法  ============###

# class Foo():
#     def __init__(self, n1, n2):
#         self.n1 = n1
#         self.n2 = n2
  
#     def add_item(self):
#         print(self.n1 + self.n2)
#     def reduce(self):
#         print(self.n1 - self.n2)

# obj = Foo(20, 5)
# obj.add_item()
# obj.reduce()

###============ 传值  ============###

# class Foo():
#     def __init__(self, n1):
#         self.n1 = n1
        
#     def add_item(self,n2):
#         print(self.n1 + n2)
#     def reduce(self, n2):
#         print(self.n1 - n2)

# obj = Foo(20)
# obj.add_item(5)
# obj.reduce(1)

###============ 传值  ============###

# class Foo():
#     def __init__(self, n1):
#         self.n1 = n1

#     def add_item(self, n2):
#         print(self.n1 - n2()) # 定义成什么类型，传的就是什么类型
#         # print(self.n1 - n2[])

# def f():
#     return 30
     
# obj = Foo(20)
# obj.add_item(f)
# # obj.add_item([1])

###============ 攻击别的英雄  ============###

class AP():
    def __init__(self, h, atc):
        self.h = h
        self.atc = atc
    
    def attack(self,obj):
        """ 攻击另一个英雄 """
        # 攻击代码
        # 被攻击的英雄生命值需要减去自己对象的攻击力
        obj.h = obj.h - self.atc
        print(f"{obj.h} ".format(obj.h))

obj1 = AP(100, 10)
obj2 = AP(200, 20)

obj1.attack(obj2)
print(obj1.h)
obj1.h = 101
print(obj1.h)