[英]How do I fix a “TypeError” in Python?
我对 Python 完全陌生,几天前才开始学习,我试图制作一个简单的 RPG 代码,但我最近遇到了一个小问题,它一直返回我 TypeError: generate_damage() missing 1 required positional argument: '自己'。 有谁知道发生了什么?
主文件
from Classes.game import player, bcolors
magic = [{"name": "Tackle", "cost": 1, "dmg": 4},
{"name": "Ember", "cost": 3, "dmg": 6},
{"name": "Leech", "cost": 4, "hp": +5, "dmg": 4},
{"name": "Explosion", "cost": 5, "hp": -10, "dmg": 30}]
player(100, 20, 5, 10,magic)
print(player.generate_damage())
游戏.py
import random
class bcolors:
HEADER = '\033[95m'
OKBLUE = '\033[94m'
OKGREEN = '\033[92m'
WARNING = '\033[93m'
FAIL = '\033[91m'
ENDC = '\033[0m'
BOLD = '\033[1m'
UNDERLINE = '\033[4m'
class player:
def __init__(self, hp, mp, atk, df, mag):
self.maxhp = hp
self.hp = hp
self.maxmp = mp
self.mp = mp
self.atkw = atk - 10
self.atks = atk + 10
self.df = df
self.mag = mag
self.actions = ["Attack", "Magic"]
def generate_damage(self):
return random.randrange(self.atkw, self.atks)
我遇到以下问题:
print(player.generate_damage())
因为它不断返回 TypeError: generate_damage() missing 1 required positional argument: 'self'
由于generate_damage
是 class Player
的一种方法,因此您只能在播放器实例上运行它。 尝试这个:
p = Player(100, 20, 5, 10, magic) # init object p of class player
print(p.generate_damage())
您需要先创建一个player
实例。
class Player: # Note how I have changed the class to have an upper case P
def __init__(self, hp, mp, atk, df, mag):
self.maxhp = hp
self.hp = hp
self.maxmp = mp
self.mp = mp
self.atkw = atk - 10
self.atks = atk + 10
self.df = df
self.mag = mag
self.actions = ["Attack", "Magic"]
def generate_damage(self):
return random.randrange(self.atkw, self.atks)
player = Player(100, 20, 5, 10,magic)
print(player.generate_damage())
您必须实例化 class,才能使用它的 class 方法
magic = [{"name": "Tackle", "cost": 1, "dmg": 4},
{"name": "Ember", "cost": 3, "dmg": 6},
{"name": "Leech", "cost": 4, "hp": +5, "dmg": 4},
{"name": "Explosion", "cost": 5, "hp": -10, "dmg": 30}]
p = player(100, 20, 5, 10,magic)
print(p.generate_damage())
您正在调用名称为 class 的实例方法,您需要创建该播放器 class 的实例,然后调用该实例方法。 您的main.py的正确代码是:
from game import player, bcolors
magic = [{"name": "Tackle", "cost": 1, "dmg": 4},
{"name": "Ember", "cost": 3, "dmg": 6},
{"name": "Leech", "cost": 4, "hp": +5, "dmg": 4},
{"name": "Explosion", "cost": 5, "hp": -10, "dmg": 30}]
p = player(100, 20, 5, 10,magic)
print(p.generate_damage())
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