from sys import (exit, argv)
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QToolTip, QPushButton, QApplication, QWidget, QLabel, QLineEdit)
from PyQt5.QtGui import (QIcon, QPixmap, QFont)
from random import choice
#Word list for the words the user will attempt to guess
words = ['Captivity', 'America', 'Europe', 'Federal', 'Gluten', 'Ridiculous', 'Automatic', 'Television', 'Difficult', 'Severe', 'Interesting', 'Indonesia', 'Industrial',
'Automotive', 'President', 'Terrestrial', 'Academic', 'Comedic', 'Comical', 'Genuine', 'Suitcase', 'Vietnam', 'Achievement', 'Careless', 'Monarchy', 'Monetary',
'Quarantine', 'Supernatural', 'Illuminate', 'Optimal', 'Application', 'Scientist', 'Software', 'Hardware', 'Program', 'Colonial', 'Algorithm', 'Intelligent']
#Creates the main widget which will contain everything else
class hangman(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
#Creates the QLabel 'background' which will contain the white background
self.background = QLabel(self)
#Uses QPixmap to place the background into the QLabel 'background'
self.background.setPixmap(QPixmap('background.jpg').scaled(201, 352, Qt.IgnoreAspectRatio, Qt.FastTransformation))
self.background.move(0.5, 0.5)
#Creates the QLabel 'image' which will contain the image of the hangman
self.image = QLabel(self)
number = '1'
#Uses QPixmap to insert the image of the hangman into the QLabel 'image'
self.image.setPixmap(QPixmap('hangman_' + number + '.png').scaled(100, 200, Qt.KeepAspectRatio, Qt.FastTransformation))
self.image.move(60, 0.5)
#Chooses random word from list 'words'
word = choice(words)
#Creates a blank version of the chosen word
blank_word = ''
for i in word:
blank_word += '__ '
blank_word.rstrip()
guessed_letters = []
self.blank_word_label = QLabel(blank_word, self)
self.blank_word_label.setFixedWidth(200)
self.blank_word_label.move(0,200)
self.blank_word_label.setAlignment(Qt.AlignCenter)
self.btn = QPushButton('Check', self)
#Selects the font/font size for the label on the QPushButton 'btn' using QFont
self.btn.setFont(QFont('SansSerif', 20))
#Creates a tooltip when user hovers over the QPushButton 'btn' using QToolTip
self.btn.setToolTip('Click to check if the entered letter is in the word')
#Selects the font/font size for the QToolTip above on the QPushButton 'btn' using QFont
QToolTip.setFont(QFont('SansSerif', 10))
#Connects the QPushButton 'btn' to the function 'check_letter' to activate when the button is clicked
self.btn.clicked.connect(self.check_letter)
self.btn.resize(102, 43)
self.btn.move(99, 228)
self.entered_letter = QLineEdit(self)
font = self.entered_letter.font()
font.setPointSize(24)
self.entered_letter.setFont(font)
self.entered_letter.setMaxLength(1)
self.entered_letter.setToolTip('Enter a letter and check if it is in the word')
self.entered_letter.resize(100, 43)
self.entered_letter.move(0.5, 228)
#Sets where on the screen the window will open and the size of the window respectively using x and y coordinates
self.setGeometry(1390, 30, 200, 270)
#Locks the size of the window and make it impossible for the user to change it
self.setFixedSize(self.size())
self.setWindowTitle('Hangman')
#Sets the window icon to the image file 'icon.png' located in the same folder as the source file
self.setWindowIcon(QIcon('icon.png'))
self.show()
def check_letter(self):
if self.entered_letter.text() in word:
guessed_letters.append(self.entered_letter.text())
else:
number = int(number)
number += 1
number = str(number)
self.image.setPixmap(QPixmap('hangman_' + number + '.png').scaled(100, 200, Qt.KeepAspectRatio, Qt.FastTransformation))
QApplication.processEvents()
blank_word = ''
for i in word:
if i in guessed_letters:
blank_word += i
else:
blank_word += '__ '
blank_word.rstrip()
self.blank_word_label = QLabel(blank_word, self)
QApplication.processEvents()
if __name__ == '__main__':
#Begins the execution of the QApplication
app = QApplication(argv)
ex = hangman()
ex.show()
exit(app.exec_())
这是我目前正在进行的Hangman游戏。它是在Windows 7 32位机器上使用PyQt5和Python 3.5创建的。我遇到的问题是，当我点击QPushButton'btn'时，应用程序关闭，我无法弄清楚原因。它没有完成，并且有很多代码缺失，但我认为它有什么需要做我想做的事情，但它不起作用。欢迎任何帮助/建议。 ：）
答案 0 :(得分：0)
主要问题是你在方法中创建的变量只存在于该区域中，例如word只存在于initUI中，但你想在check_letter中使用它，这就是你的程序崩溃的原因。我已经纠正了这些错误，除了纠正一些逻辑之外，另一个错误是你正在创建一个新的QLabel，而你必须更新文本。
class hangman(QWidget):
def __init__(self):
super().__init__()
self.initUI()
def initUI(self):
#Creates the QLabel 'background' which will contain the white background
self.background = QLabel(self)
#Uses QPixmap to place the background into the QLabel 'background'
self.background.setPixmap(QPixmap('background.jpg').scaled(201, 352, Qt.IgnoreAspectRatio, Qt.FastTransformation))
self.background.move(0.5, 0.5)
#Creates the QLabel 'image' which will contain the image of the hangman
self.image = QLabel(self)
self.number = 1
#Uses QPixmap to insert the image of the hangman into the QLabel 'image'
self.image.setPixmap(QPixmap('hangman_{}.png'.format(self.number)).scaled(100, 200, Qt.KeepAspectRatio, Qt.FastTransformation))
self.image.move(60, 0.5)
#Chooses random word from list 'words'
self.word = choice(words)
#Creates a blank version of the chosen word
blank_word = '__ '*len(self.word)
self.guessed_letters = ""
self.blank_word_label = QLabel(blank_word, self)
self.blank_word_label.setFixedWidth(200)
self.blank_word_label.move(0,200)
self.blank_word_label.setAlignment(Qt.AlignCenter)
self.btn = QPushButton('Check', self)
#Selects the font/font size for the label on the QPushButton 'btn' using QFont
self.btn.setFont(QFont('SansSerif', 20))
#Creates a tooltip when user hovers over the QPushButton 'btn' using QToolTip
self.btn.setToolTip('Click to check if the entered letter is in the word')
#Selects the font/font size for the QToolTip above on the QPushButton 'btn' using QFont
QToolTip.setFont(QFont('SansSerif', 10))
#Connects the QPushButton 'btn' to the function 'check_letter' to activate when the button is clicked
self.btn.clicked.connect(self.check_letter)
self.btn.resize(102, 43)
self.btn.move(99, 228)
self.entered_letter = QLineEdit(self)
font = self.entered_letter.font()
font.setPointSize(24)
self.entered_letter.setFont(font)
self.entered_letter.setMaxLength(1)
self.entered_letter.setToolTip('Enter a letter and check if it is in the word')
self.entered_letter.resize(100, 43)
self.entered_letter.move(0.5, 228)
#Sets where on the screen the window will open and the size of the window respectively using x and y coordinates
self.setGeometry(1390, 30, 200, 270)
#Locks the size of the window and make it impossible for the user to change it
self.setFixedSize(self.size())
self.setWindowTitle('Hangman')
#Sets the window icon to the image file 'icon.png' located in the same folder as the source file
self.setWindowIcon(QIcon('icon.png'))
self.show()
def check_letter(self):
if self.entered_letter.text() in self.word:
self.guessed_letters += self.entered_letter.text()
else:
self.number += 1
self.image.setPixmap(QPixmap('hangman_{}.png'.format(self.number)).scaled(100, 200, Qt.KeepAspectRatio, Qt.FastTransformation))
blank_word = ''
for i in self.word:
if i in self.guessed_letters:
blank_word += i
else:
blank_word += '__ '
self.blank_word_label.setText(blank_word)