我试着从Python速成课程做这个项目,在项目的中间我遇到了这个错误,我不明白为什么,我有外星人_入侵.py, 设置.py以及发货.py文件,在这里:
这是外星的主文件_入侵.py在
import sys
import pygame
from settings import Settings
from ship import Ship
def run_game():
pygame.init()
ai_settings = Settings()
screen = pygame.display.set_mode((ai_settings.screen_width,
ai_settings.screen_height))
pygame.display.set_caption("Alien Invasion")
ship = Ship(screen)
bg_color = (230, 230, 230)
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
screen.fill(ai_settings.bg_color)
ship.blitme()
pygame.display.flip()
run_game()
这是设置.py在
^{pr2}$这个是发货.py在
import pygame
class Ship():
def __init__(self, screen):
self.screen = screen
self.image = pygame.image.load('images/ship.bmp')
self.rect = self.image.get_rect()
self.screen_rect = screen.get_rect()
self.rect.centerx = self.screen_rect.centerx
self.rect.bottom = self.screen_rect.bottom
def blitme(self):
self.screen.blit(self.image, self.rect)
上面写着:
Traceback (most recent call last):
File "alien_invasion.py", line 26, in <module>
run_game()
File "alien_invasion.py", line 22, in run_game
ship.blitme()
AttributeError: 'Ship' object has no attribute 'blitme'
问题是blitme函数嵌套在init中发货.py. Tab该函数返回一个与init一致的函数,您将能够引用blitme()。在
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