如何用Python实现问题回答小游戏
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读取问题
如下所示，我们在文本中写了一个问题，然后将其读取出来。
“黄河远上白云间，一片孤城万仞山。”的作者是谁？
王之涣
李白
白居易
杜甫
file = open("1.txt", "r")question_coll = file.readlines()file.close()print(file)运行之后发现报错，查询之后发现编码格式不正确。
设置了读取的编码格式发现可以读取文本的内容
file = open("1.txt", encoding='utf-8')绘制回答面板
为了方便读取，新建一个类来储存文件中的问题
# 问题类class Question: # 回答列表 answer_question = [] # 正确答案 answer_index = 1 """问题类""" def __init__(self, question): self.question = question导入问题，将文件中的问题保存在qustion中
from question import Question因为文件的格式是固定的以6为一个问题的所有行数。
将问题
questionList = []for i in range(int(len(question_coll) / 6)): que_all = question_coll[i * 6: i * 6 + 6] que = Question(que_all[0].rstrip()) que.answer_question = [que_all[1].rstrip(), que_all[2].rstrip(), que_all[3].rstrip(), que_all[4].rstrip()] que.answer_index = int(que_all[5].rstrip()) questionList.append(que)封装屏幕上显示文字的打印
def draw_text(window_screen, font_size, content, starting_x, starting_y, text_color=WHITE, bg_color=BLACK): # 绘制文字 # 设置字体 font = pygame.font.SysFont("方正粗黑宋简体", font_size) text1 = font.render(content, True, text_color, bg_color) window_screen.blit(text1, (starting_x, starting_y))显示问题
draw_text(screen, 48, "知识竞赛", 180, 20)while True: for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() tips = "当前一共有" + str(len(questionList)) + "个问题,目前是第" + str(index) + "个。" draw_text(screen, 18, tips, 20, 140, bg_color=WHITE, text_color=BLACK) current_que = questionList[index - 1] question_main = "问题" + str(index) + ". " + current_que.question draw_text(screen, 16, question_main, 20, 200, bg_color=WHITE, text_color=BLACK) for i in range(len(current_que.answer_question)): option = str(i + 1) + ". " + current_que.answer_question[i] draw_text(screen, 16, option, 40, 260 + i * 40, bg_color=WHITE, text_color=BLACK) pygame.display.update()
这样就实现了问题的显示
回答问题
首先我们给出提示，为了方便确认问题是否回答，答案正确与否，我们在问题类中添加变量
# 是否回答 answeredFlg = False # 回答是否正确 rightFlg = False根据这些变量设置文字。
if current_que.answeredFlg: if current_que.rightFlg: print("回答正确，是" + current_que.answer_question[current_que.answer_index]) else: print("回答错误，正确答案是" + current_que.answer_question[current_que.answer_index]) else: draw_text(screen, 16, "请按下1、2、3、4来回答答案", 40, 460, bg_color=WHITE, text_color=RED)
如果按下按键，根据答案的正确与否给与响应的提示。
if current_que.answeredFlg: if current_que.rightFlg: str1 = "回答正确，是" + current_que.answer_question[current_que.answer_index - 1] draw_text(screen, 16, str1, 40, 460, bg_color=WHITE, text_color=GREEN) else: str1 = "回答错误，正确答案是" + current_que.answer_question[current_que.answer_index - 1] draw_text(screen, 16, str1, 40, 460, bg_color=WHITE, text_color=RED) else: draw_text(screen, 16, "请按下1、2、3、4来回答答案", 40, 460, bg_color=WHITE, text_color=RED)
问题切换
为了方便用户切换问题，在窗口上添加对应的按钮。
import pygame.fontclass Button: def __init__(self, screen, msg, start_x, start_y): # 设置按钮的尺寸和其他属性 self.screen = screen self.width, self.height = 200, 50 self.button_color = (0, 255, 0) self.text_color = (255, 255, 255) self.font = pygame.font.SysFont("方正粗黑宋简体", 20) # 创建按钮的rect对象，并使其居中 self.rect = pygame.Rect(0, 0, self.width, self.height) self.rect.left = start_x self.rect.right = start_y # 按钮的标签只需创建一次 self._prep_msg(msg) def _prep_msg(self, msg): """将msg渲染为图像，并让按钮居上""" self.msg_image = self.font.render(msg, True, self.text_color, self.button_color) self.msg_image_rect = self.msg_image.get_rect() self.msg_image_rect.center = self.rect.center def draw_button(self): # 绘制一个用颜色填充的按钮，在绘制文本 self.screen.fill(self.button_color, self.rect) self.screen.blit(self.msg_image, self.msg_image_rect)answer_question.py
btn1 = Button(screen, "next", 300, 500) btn1.draw_button()
修改对应的按钮颜色，并添加上一个按钮。
通过是否回答和是否有下一个或者上一个控制按钮的显示
if current_que.answeredFlg and index < len(questionList): btn1 = Button(screen, "下一个", 300, 500) btn1.draw_button() if index > 1: btn2 = Button(screen, "上一个", 50, 500) btn2.draw_button()给按钮添加事件
if event.type == pygame.MOUSEBUTTONDOWN: mouse_pos = pygame.mouse.get_pos() if btn1.rect.collidepoint(mouse_pos): if current_que.answeredFlg and index < len(questionList): index += 1 if btn2.rect.collidepoint(mouse_pos) and index > 1: index -= 1
完整代码
answer_question.py 主程序
import pygame, sysfrom pygame.locals import *from question import Questionfrom button import Button# 读取问题file = open("1.txt", encoding='utf-8')question_coll = file.readlines()file.close()questionList = []for i in range(int(len(question_coll) / 6)): que_all = question_coll[i * 6: i * 6 + 6] que = Question(que_all[0].rstrip()) que.answer_question = [que_all[1].rstrip(), que_all[2].rstrip(), que_all[3].rstrip(), que_all[4].rstrip()] que.answer_index = int(que_all[5].rstrip()) questionList.append(que)# 颜色变量WHITE = (255, 255, 255)BLACK = (0, 0, 0)RED = (255, 0, 0)GREEN = (0, 255, 0)# 初始化面板pygame.init()screen = pygame.display.set_mode((600, 600))pygame.display.set_caption("知识竞赛")# 当前问题index = 1def draw_text(window_screen, font_size, content, starting_x, starting_y, text_color=WHITE, bg_color=BLACK): # 绘制文字 # 设置字体 font = pygame.font.SysFont("方正粗黑宋简体", font_size) text1 = font.render(content, True, text_color, bg_color) window_screen.blit(text1, (starting_x, starting_y))# 按钮btn1 = Button(screen, "下一个", 300, 500)btn2 = Button(screen, "上一个", 50, 500)while True: answer_index = 0 # 填充白色 screen.fill(WHITE) draw_text(screen, 48, "知识竞赛", 180, 20) tips = "当前一共有" + str(len(questionList)) + "个问题,目前是第" + str(index) + "个。" draw_text(screen, 18, tips, 20, 140, bg_color=WHITE, text_color=BLACK) current_que = questionList[index - 1] for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() if event.type == KEYDOWN: if event.key == K_1: answer_index = 1 if event.key == K_2: answer_index = 2 if event.key == K_3: answer_index = 3 if event.key == K_4: answer_index = 4 if event.type == pygame.MOUSEBUTTONDOWN: mouse_pos = pygame.mouse.get_pos() if btn1.rect.collidepoint(mouse_pos): if current_que.answeredFlg and index < len(questionList): index += 1 if btn2.rect.collidepoint(mouse_pos) and index > 1: index -= 1 question_main = "问题" + str(index) + ". " + current_que.question draw_text(screen, 16, question_main, 20, 200, bg_color=WHITE, text_color=BLACK) for i in range(len(current_que.answer_question)): option = str(i + 1) + ". " + current_que.answer_question[i] draw_text(screen, 16, option, 40, 260 + i * 40, bg_color=WHITE, text_color=BLACK) if answer_index != 0: current_que.answeredFlg = True current_que.rightFlg = answer_index == current_que.answer_index if current_que.answeredFlg: if current_que.rightFlg: str1 = "回答正确，是" + current_que.answer_question[current_que.answer_index - 1] draw_text(screen, 16, str1, 40, 460, bg_color=WHITE, text_color=GREEN) else: str1 = "回答错误，正确答案是" + current_que.answer_question[current_que.answer_index - 1] draw_text(screen, 16, str1, 40, 460, bg_color=WHITE, text_color=RED) else: draw_text(screen, 16, "请按下1、2、3、4来回答答案", 40, 460, bg_color=WHITE, text_color=RED) if current_que.answeredFlg and index < len(questionList): btn1.draw_button() if index > 1: btn2.draw_button() pygame.display.update()问题类 qustion.py
# 问题类class Question: """问题类""" # 回答列表 answer_question = [] # 正确答案 answer_index = 1 # 是否回答 answeredFlg = False # 回答是否正确 rightFlg = False def __init__(self, question): self.question = question按钮类 button.py
import pygame.fontclass Button: def __init__(self, screen, msg, start_x, start_y): # 设置按钮的尺寸和其他属性 self.screen = screen self.width, self.height = 200, 50 self.button_color = (255, 192, 128) self.text_color = (255, 255, 255) self.font = pygame.font.SysFont("方正粗黑宋简体", 20) # 创建按钮的rect对象，并使其居中 self.rect = pygame.Rect(0, 0, self.width, self.height) self.rect.left = start_x self.rect.top = start_y # 按钮的标签只需创建一次 self._prep_msg(msg) def _prep_msg(self, msg): """将msg渲染为图像，并让按钮居上""" self.msg_image = self.font.render(msg, True, self.text_color, self.button_color) self.msg_image_rect = self.msg_image.get_rect() self.msg_image_rect.center = self.rect.center def draw_button(self): # 绘制一个用颜色填充的按钮，在绘制文本 self.screen.fill(self.button_color, self.rect) self.screen.blit(self.msg_image, self.msg_image_rect)问题文本文件 1.txt
“黄河远上白云间，一片孤城万仞山。”的作者是谁？
王之涣
李白
白居易
杜甫
1
“落霞与孤鹜齐飞”的下一句是？
携酒对情人
秋水共长天一色
抱琴开野室
林塘花月下
2
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