python类例子（开枪）

代码

class Person(object): """人的类""" def __init__(self, name): super(Person, self).__init__() self.name = name self.gun = None # 用来保存枪对象的引用 self.hp = 100 def anzhuang_zidan(self, dan_jia_temp, zi_dan_temp): """把子弹装到弹夹中""" # 弹夹.保存子弹(子弹) dan_jia_temp.baocun_zidan(zi_dan_temp) def anzhuang_danjia(self, gun_temp, dan_jia_temp): """把弹夹安装到枪中""" # 枪.保存弹夹(弹夹) gun_temp.baocun_danjia(dan_jia_temp) def naqiang(self, gun_temp): """拿起一把枪""" self.gun = gun_temp def __str__(self): if self.gun: return "%s的血量为:%d, 他有枪 %s" % (self.name, self.hp, self.gun) else: if self.hp > 0: return "%s的血量为%d, 他没有枪" % (self.name, self.hp) else: return "%s 已挂...." % self.name def kou_ban_ji(self, diren): """让枪发射子弹去打敌人""" # 枪.开火(敌人) self.gun.fire(diren) def xiao_xue(self, sha_shang_li): """根据杀伤力，掉相应的血量""" self.hp -= sha_shang_li class Gun(object): """枪类""" def __init__(self, name): super(Gun, self).__init__() self.name = name # 用来记录枪的类型 self.danjia = None # 用来记录弹夹对象的引用 def baocun_danjia(self, dan_jia_temp): """用一个属性来保存这个弹夹对象的引用""" self.danjia = dan_jia_temp def __str__(self): if self.danjia: return "枪的信息为:%s, %s" % (self.name, self.danjia) else: return "枪的信息为:%s,这把枪中没有弹夹" % (self.name) def fire(self, diren): """枪从弹夹中获取一发子弹，然后让这发子弹去击中敌人""" # 先从弹夹中取子弹 # 弹夹.弹出一发子弹() zidan_temp = self.danjia.tanchu_zidan() # 让这个子弹去伤害敌人 if zidan_temp: # 子弹.打中敌人(敌人) zidan_temp.dazhong(diren) else: print("弹夹中没有子弹了。。。。") class Danjia(object): """弹夹类""" def __init__(self, max_num): super(Danjia, self).__init__() self.max_num = max_num # 用来记录弹夹的最大容量 self.zidan_list = [] # 用来记录所有的子弹的引用 def baocun_zidan(self, zi_dan_temp): """将这颗子弹保存""" self.zidan_list.append(zi_dan_temp) def __str__(self): return "弹夹的信息为:%d/%d" % (len(self.zidan_list), self.max_num) def tanchu_zidan(self): """弹出最上面的那颗子弹""" if self.zidan_list: return self.zidan_list.pop() else: return None class Zidan(object): """子弹类""" def __init__(self, sha_shang_li): super(Zidan, self).__init__() self.sha_shang_li = sha_shang_li # 这颗子弹的威力 def dazhong(self, diren): """让敌人掉血""" # 敌人.掉血(一颗子弹的威力) diren.xiao_xue(self.sha_shang_li) def main(): """用来控制整个程序的流程""" # 1. 创建老王对象 laowang = Person("老王") # 2. 创建一个枪对象 ak47 = Gun("AK47") # 3. 创建一个弹夹对象 dan_jia = Danjia(20) # 4. 创建一些子弹 for i in range(15): zi_dan = Zidan(10) # 5. 老王把子弹安装到弹夹中 # 老王.安装子弹到弹夹中(弹夹，子弹) laowang.anzhuang_zidan(dan_jia, zi_dan) # 6. 老王把弹夹安装到枪中 # 老王.安装弹夹到枪中(枪，弹夹) laowang.anzhuang_danjia(ak47, dan_jia) # test:测试弹夹的信息 # print(dan_jia) # test:测试枪的信息 # print(ak47) # 7. 老王拿枪 # 老王.拿枪(枪) laowang.naqiang(ak47) # test:测试老王对象 print(laowang) # 8. 创建一个敌人 gebi_laosong = Person("隔壁老宋") print(gebi_laosong) # 9. 老王开枪打敌人 # 老王.扣扳机(隔壁老宋) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) laowang.kou_ban_ji(gebi_laosong) print(gebi_laosong) print(laowang) if __name__ == '__main__': main() 执行结果：