面向对象之变量与实例变量

class Role:
    # 定义一个类，class是定义类的语法，Role是类名，（object)是新式类的写法
    ac=None#类变量
    member=0
    def __init__(self,name, role, weapon, life_value):  # 初始化函数，
        self.name = name#实例变量
        self.role = role
        self.weapon = weapon
        self.life_value = life_value
        Role.member+=1

    def shot(self):
        print("shooting....")

    def got_shot(self):
        print("i got shot....")

    def buy_gun(self, weapon):
         print("%s just bought [%s] " % (self.name,weapon))
         self.weapon =weapon

r1 = Role('Alex', 'police', 'AK47', 90)
r1.buy_gun("AK47")
r1.ac="China Brand"

r2 = Role('zy', 'sb', 'B51', 100)
r2.buy_gun("B52")
r2.ac="US Brand"

r3 = Role('R3', 'sb', 'AK40', 100)
r4 = Role('r4', 'sb', 'AK52', 100)

Role.ac ="JP"
Role.weapon="XXD"
print("r1:", r1.weapon,r1.ac)
print("r2:", r2.weapon,r2.ac)
print("r3:", r3.weapon,r3.ac)
print("r4:", r4.weapon,r4.ac)




输出结果-----------------------------------------------

D:Pythonpython.exe D:/Python/编辑器/代码/shutil.py
Alex just bought [AK47]
zy just bought [B52]
r1: AK47 China Brand
r2: B52 US Brand
r3: AK40 JP
r4: AK52 JP