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UI_math_system
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src/ui/main_window.py
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import sys
from PyQt5.QtWidgets import (QApplication, QMainWindow, QWidget, QVBoxLayout,
QHBoxLayout, QLabel, QPushButton, QLineEdit,
QMessageBox, QFrame, QGridLayout, QSizePolicy, QStackedWidget)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QFont, QPalette, QColor
# 导入各个页面（需要先修改这些类继承QWidget）
from .login_ui import LoginPage
from .register_ui import RegisterPage
from .question_ui import QuestionPage
from .result_ui import ResultPage
class MainWindow(QMainWindow):
def __init__(self,user_system):
super().__init__()
self.user_system = user_system
self.menu_bar = None
self.current_level = None
self.question_count = None
# 创建堆叠窗口
self.stacked_widget = QStackedWidget()
self.init_ui()
def init_ui(self):
"""初始化主窗口界面"""
self.setWindowTitle("🎮 数学冒险岛 🎮")
# self.setMinimumSize(900, 650)
# 设置固定大小（例如 900×650）
# self.setFixedSize(900, 1200)
# 获取字体高度来设置相对大小
font_metrics = self.fontMetrics()
char_height = font_metrics.height()
# 基于字符高度设置尺寸
self.setFixedSize(40 * char_height, 55 * char_height)
# 设置可爱的渐变背景色
palette = self.palette()
palette.setColor(QPalette.Window, QColor(255, 240, 245))
self.setPalette(palette)
# 设置中央部件为堆叠窗口
self.setCentralWidget(self.stacked_widget)
# 初始化各个页面
self.init_pages()
# 显示主页面
self.show_main_page()
def init_pages(self):
"""初始化所有页面"""
# 主页面
self.main_page = self.create_main_page()
self.stacked_widget.addWidget(self.main_page)
# 登录页面
self.login_page = LoginPage(self)
self.stacked_widget.addWidget(self.login_page)
# 注册页面
self.register_page = RegisterPage(self)
self.stacked_widget.addWidget(self.register_page)
# 学段选择页面
self.level_page = self.create_level_page()
self.stacked_widget.addWidget(self.level_page)
# 题目数量页面
self.count_page = self.create_count_page()
self.stacked_widget.addWidget(self.count_page)
def show_main_page(self):
"""显示主页面"""
self.stacked_widget.setCurrentWidget(self.main_page)
self.clear_menu_bar()
def show_login_page(self):
"""显示登录页面"""
self.stacked_widget.setCurrentWidget(self.login_page)
self.clear_menu_bar()
def show_register_page(self):
"""显示注册页面"""
self.stacked_widget.setCurrentWidget(self.register_page)
self.clear_menu_bar()
def show_level_page(self):
"""显示学段选择页面"""
if not self.user_system or not self.user_system.current_user:
QMessageBox.warning(self, "提示", "请先登录")
return
self.stacked_widget.setCurrentWidget(self.level_page)
self.create_user_menu()
def show_count_page(self):
"""显示题目数量输入页面"""
if not self.user_system or not self.user_system.current_user:
QMessageBox.warning(self, "提示", "请先登录")
return
self.update_count_page(self.current_level)
self.stacked_widget.setCurrentWidget(self.count_page)
def show_question_page(self, level: str, count: int):
try:
# ✅ 每次创建新页面前，清理旧的 QuestionPage（如果有）
for i in reversed(range(self.stacked_widget.count())):
widget = self.stacked_widget.widget(i)
if isinstance(widget, QuestionPage):
self.stacked_widget.removeWidget(widget)
widget.deleteLater() # 释放内存
# ✅ 再创建新页面
question_page = QuestionPage(self, level, count)
self.stacked_widget.addWidget(question_page)
self.stacked_widget.setCurrentWidget(question_page)
except Exception as e:
QMessageBox.critical(self, "❌ 程序错误", f"生成题目时发生错误：\n{str(e)}")
print(f"[ERROR] 题目生成失败: {e}")
try:
question_page = QuestionPage(self, level, count)
self.stacked_widget.addWidget(question_page)
self.stacked_widget.setCurrentWidget(question_page)
except Exception as e:
QMessageBox.critical(self, "❌ 程序错误", f"生成题目时发生错误：\n{str(e)}")
print(f"[ERROR] 题目生成失败: {e}")
def show_result_page(self, score: int, level: str, count: int):
"""显示结果页面"""
result_page = ResultPage(self, score, level, count)
self.stacked_widget.addWidget(result_page)
self.stacked_widget.setCurrentWidget(result_page)
def remove_current_page(self):
"""移除当前页面（用于答题和结果页面）"""
current_index = self.stacked_widget.currentIndex()
# 只移除动态添加的页面（索引大于固定页面数量）
if current_index >= 5: # 主页面、登录、注册、学段、题目数量
current_widget = self.stacked_widget.currentWidget()
self.stacked_widget.removeWidget(current_widget)
def create_main_page(self):
"""创建主页面"""
widget = QWidget()
# 主布局 - 使用弹性布局
main_layout = QVBoxLayout(widget)
main_layout.setContentsMargins(30, 20, 30, 20)
main_layout.setSpacing(0)
# 主容器框架 - 自适应尺寸
container = QFrame()
container.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
container.setStyleSheet("""
QFrame {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFD1DC, stop:1 #B5EAD7);
border-radius: 20px;
border: 3px solid #FF9EBC;
}
""")
main_layout.addWidget(container)
# 容器布局 - 使用弹性布局
container_layout = QVBoxLayout(container)
container_layout.setContentsMargins(40, 30, 40, 30)
container_layout.setSpacing(0)
# 顶部弹性空间
container_layout.addStretch(1)
# --- 标题区域 ---
title_frame = QFrame()
title_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
title_frame.setStyleSheet("background: transparent; border: none;")
title_layout = QVBoxLayout(title_frame)
title_layout.setSpacing(10)
# 装饰性emoji
emoji_label = QLabel("✨🎓🧮🌟")
emoji_label.setStyleSheet("""
QLabel {
font: bold 20pt 'Arial';
color: #FF6B9C;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
title_layout.addWidget(emoji_label)
# 主标题
title_label = QLabel("数学冒险岛")
title_label.setStyleSheet("""
QLabel {
font: bold 28pt '微软雅黑';
color: #FF6B9C;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
title_layout.addWidget(title_label)
# 副标题
subtitle_label = QLabel("🚀 开启你的数学冒险之旅！ 🚀")
subtitle_label.setStyleSheet("""
QLabel {
font: 14pt '微软雅黑';
color: #5A5A5A;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
title_layout.addWidget(subtitle_label)
container_layout.addWidget(title_frame)
container_layout.addSpacing(40)
# --- 按钮区域 ---
button_frame = QFrame()
button_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
button_frame.setStyleSheet("background: transparent; border: none;")
button_layout = QVBoxLayout(button_frame)
button_layout.setSpacing(20)
# 登录按钮
login_btn = QPushButton("🎮 开始冒险")
login_btn.setMinimumSize(250, 60)
login_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
login_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF9EBC, stop:1 #FF6B9C);
color: white;
font: bold 16pt '微软雅黑';
border-radius: 30px;
border: 3px solid #FF85A1;
max-width: 300px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF85A1, stop:1 #FF5784);
border: 3px solid #FF6B9C;
}
QPushButton:pressed {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF5784, stop:1 #FF3D6D);
}
""")
login_btn.clicked.connect(self.show_login_page) # 改为页面切换
button_layout.addWidget(login_btn, alignment=Qt.AlignCenter)
# 注册按钮
register_btn = QPushButton("📝 注册账号")
register_btn.setMinimumSize(250, 60)
register_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
register_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #A0E7E5, stop:1 #6CD6D3);
color: white;
font: bold 16pt '微软雅黑';
border-radius: 30px;
border: 3px solid #8ADBD9;
max-width: 300px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #8ADBD9, stop:1 #5AC7C4);
border: 3px solid #6CD6D3;
}
QPushButton:pressed {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #5AC7C4, stop:1 #4BB5B2);
}
""")
register_btn.clicked.connect(self.show_register_page) # 改为页面切换
button_layout.addWidget(register_btn, alignment=Qt.AlignCenter)
container_layout.addWidget(button_frame)
container_layout.addStretch(2)
# --- 装饰性元素 ---
decoration_frame = QFrame()
decoration_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
decoration_frame.setStyleSheet("background: transparent; border: none;")
decoration_layout = QHBoxLayout(decoration_frame)
math_symbols = QLabel("🔢 ➕ ➖ ✖️ ➗ 📐 📊 🧮")
math_symbols.setStyleSheet("""
QLabel {
font: bold 16pt 'Arial';
color: #FF9EBC;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
decoration_layout.addWidget(math_symbols)
container_layout.addWidget(decoration_frame)
container_layout.addSpacing(20)
# --- 底部信息 ---
footer_frame = QFrame()
footer_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
footer_frame.setStyleSheet("background: transparent; border: none;")
footer_layout = QHBoxLayout(footer_frame)
footer_label = QLabel("🌈 版权所有 © 2025 数学冒险岛 🌈")
footer_label.setStyleSheet("""
QLabel {
font: 10pt '微软雅黑';
color: #888888;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
footer_layout.addWidget(footer_label)
container_layout.addWidget(footer_frame)
return widget
def create_level_page(self):
"""创建学段选择页面"""
widget = QWidget()
# 主布局
main_layout = QVBoxLayout(widget)
main_layout.setContentsMargins(30, 20, 30, 20)
main_layout.setSpacing(0)
# 主容器
frame = QFrame()
frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
frame.setStyleSheet("""
QFrame {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFD1DC, stop:1 #B5EAD7);
border-radius: 20px;
border: 3px solid #FF9EBC;
}
""")
main_layout.addWidget(frame)
frame_layout = QVBoxLayout(frame)
frame_layout.setContentsMargins(40, 30, 40, 30)
frame_layout.setSpacing(0)
# 顶部空间
frame_layout.addStretch(1)
# 欢迎信息
welcome_text = f"🎉 欢迎回来！ 🎉"
self.welcome_label = QLabel(welcome_text)
self.welcome_label.setStyleSheet("""
QLabel {
font: bold 18pt '微软雅黑';
color: #FF6B9C;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
self.welcome_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
frame_layout.addWidget(self.welcome_label)
frame_layout.addSpacing(40)
# 学段选择标题
select_label = QLabel("🎯 选择你的冒险地图 🎯")
select_label.setStyleSheet("""
QLabel {
font: bold 20pt '微软雅黑';
color: #5A5A5A;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
select_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
frame_layout.addWidget(select_label)
frame_layout.addSpacing(40)
# 按钮区域
btn_frame = QFrame()
btn_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
btn_frame.setStyleSheet("background: transparent; border: none;")
btn_layout = QGridLayout(btn_frame)
btn_layout.setSpacing(20)
btn_layout.setVerticalSpacing(25)
levels = [("🏫 小学乐园", "primary"), ("🏰 初中城堡", "middle"), ("🚀 高中太空", "high")]
colors = [
("#FF9EBC", "#FF6B9C"), # 粉色
("#A0E7E5", "#6CD6D3"), # 青色
("#B5EAD7", "#8CD9B3") # 绿色
]
for i, (text, level) in enumerate(levels):
color_pair = colors[i % len(colors)]
btn = QPushButton(text)
btn.setMinimumSize(280, 70)
btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
btn.setStyleSheet(f"""
QPushButton {{
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 {color_pair[0]}, stop:1 {color_pair[1]});
color: white;
font: bold 18pt '微软雅黑';
border-radius: 35px;
border: 3px solid {color_pair[0]};
max-width: 320px;
}}
QPushButton:hover {{
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 {color_pair[1]}, stop:1 {color_pair[0]});
}}
QPushButton:pressed {{
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #555555, stop:1 {color_pair[1]});
}}
""")
btn.clicked.connect(lambda checked, l=level: self.on_level_selected(l))
btn_layout.addWidget(btn, i, 0, alignment=Qt.AlignCenter)
frame_layout.addWidget(btn_frame)
frame_layout.addStretch(1)
# 功能按钮区域
func_frame = QFrame()
func_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
func_frame.setStyleSheet("background: transparent; border: none;")
func_layout = QHBoxLayout(func_frame)
func_layout.setSpacing(20)
# 修改密码按钮
change_pwd_btn = QPushButton("🔑 修改密码")
change_pwd_btn.setMinimumSize(180, 50)
change_pwd_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
change_pwd_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFDAC1, stop:1 #FFB347);
color: white;
font: bold 14pt '微软雅黑';
border-radius: 25px;
border: 3px solid #FFB347;
max-width: 200px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFB347, stop:1 #FF9800);
}
""")
change_pwd_btn.clicked.connect(self.open_change_password)
func_layout.addWidget(change_pwd_btn)
# 返回上级按钮
back_btn = QPushButton("🔙 返回主页")
back_btn.setMinimumSize(180, 50)
back_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
back_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #C7CEEA, stop:1 #9FA8DA);
color: white;
font: bold 14pt '微软雅黑';
border-radius: 25px;
border: 3px solid #9FA8DA;
max-width: 200px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #9FA8DA, stop:1 #7986CB);
}
""")
back_btn.clicked.connect(self.show_main_page) # 改为页面切换
func_layout.addWidget(back_btn)
frame_layout.addWidget(func_frame, alignment=Qt.AlignCenter)
frame_layout.addStretch(1)
return widget
def create_count_page(self):
"""创建题目数量页面"""
widget = QWidget()
# 主布局
main_layout = QVBoxLayout(widget)
main_layout.setContentsMargins(30, 20, 30, 20)
main_layout.setSpacing(0)
# 主容器
frame = QFrame()
frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)
frame.setStyleSheet("""
QFrame {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFD1DC, stop:1 #B5EAD7);
border-radius: 20px;
border: 3px solid #FF9EBC;
}
""")
main_layout.addWidget(frame)
frame_layout = QVBoxLayout(frame)
frame_layout.setContentsMargins(40, 30, 40, 30)
frame_layout.setSpacing(0)
# 顶部空间
frame_layout.addStretch(1)
# 显示当前学段
self.level_label = QLabel()
self.level_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.level_label.setStyleSheet("""
QLabel {
font: bold 16pt '微软雅黑';
color: #FF6B9C;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
frame_layout.addWidget(self.level_label)
frame_layout.addSpacing(30)
# 输入提示
count_label = QLabel("🎯 请输入题目数量（10-30）")
count_label.setStyleSheet("""
QLabel {
font: bold 18pt '微软雅黑';
color: #5A5A5A;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
count_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
frame_layout.addWidget(count_label)
# 装饰性emoji
emoji_label = QLabel("🔢 ✨ 📚 💫")
emoji_label.setStyleSheet("""
QLabel {
font: bold 16pt 'Arial';
color: #FF6B9C;
background: transparent;
qproperty-alignment: AlignCenter;
}
""")
emoji_label.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
frame_layout.addWidget(emoji_label)
frame_layout.addSpacing(30)
# 输入框
self.count_input = QLineEdit()
self.count_input.setFont(QFont("微软雅黑", 14))
self.count_input.setMinimumSize(200, 50)
self.count_input.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
self.count_input.setAlignment(Qt.AlignCenter)
self.count_input.setStyleSheet("""
QLineEdit {
background: white;
border: 3px solid #FF9EBC;
border-radius: 20px;
font: bold 14pt '微软雅黑';
color: #FF6B9C;
padding: 5px;
selection-background-color: #FFE4EC;
}
QLineEdit:focus {
border: 3px solid #FF6B9C;
background: #FFF9FA;
}
""")
frame_layout.addWidget(self.count_input, alignment=Qt.AlignCenter)
frame_layout.addSpacing(40)
# 按钮区域
btn_frame = QFrame()
btn_frame.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
btn_frame.setStyleSheet("background: transparent; border: none;")
btn_layout = QHBoxLayout(btn_frame)
btn_layout.setSpacing(30)
# 开始答题按钮
start_btn = QPushButton("🚀 开始冒险")
start_btn.setMinimumSize(210, 60)
start_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
start_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF9EBC, stop:1 #FF6B9C);
color: white;
font: bold 14pt '微软雅黑';
border-radius: 30px;
border: 3px solid #FF85A1;
max-width: 220px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF85A1, stop:1 #FF5784);
}
QPushButton:pressed {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FF5784, stop:1 #FF3D6D);
}
""")
start_btn.clicked.connect(self.start_question)
btn_layout.addWidget(start_btn)
# 返回按钮
back_btn = QPushButton("🔙 返回选择")
back_btn.setMinimumSize(210, 60)
back_btn.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
back_btn.setStyleSheet("""
QPushButton {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #C7CEEA, stop:1 #9FA8DA);
color: white;
font: bold 14pt '微软雅黑';
border-radius: 30px;
border: 3px solid #9FA8DA;
max-width: 220px;
}
QPushButton:hover {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #9FA8DA, stop:1 #7986CB);
}
""")
back_btn.clicked.connect(self.show_level_page) # 改为页面切换
btn_layout.addWidget(back_btn)
frame_layout.addWidget(btn_frame, alignment=Qt.AlignCenter)
frame_layout.addStretch(2)
return widget
def update_level_page(self):
"""更新学段选择页面的欢迎信息"""
if self.user_system and self.user_system.current_user:
welcome_text = f"🎉 欢迎回来，{self.user_system.current_user}！ 🎉"
self.welcome_label.setText(welcome_text)
def update_count_page(self, level: str):
"""更新题目数量页面的学段信息"""
level_text = {"primary": "🏫 小学乐园", "middle": "🏰 初中城堡", "high": "🚀 高中太空"}.get(level, level)
self.level_label.setText(f"🗺️ 当前地图：{level_text}")
self.count_input.clear()
self.count_input.setFocus()
# 修改原有方法
def open_login(self):
"""打开登录界面 - 改为页面切换"""
self.show_login_page()
def open_register(self):
"""打开注册界面 - 改为页面切换"""
self.show_register_page()
def on_level_selected(self, level: str):
"""学段选择后进入题目数量输入"""
if self.user_system:
self.user_system.set_level(level)
self.current_level = level
self.update_count_page(level)
self.show_count_page()
def start_question(self):
"""开始答题"""
try:
count = int(self.count_input.text())
if 10 <= count <= 30:
self.question_count = count
self.show_question_page(self.current_level, count)
else:
QMessageBox.warning(self, "⚠️ 提示", "请输入10-30之间的数字哦！")
except ValueError:
QMessageBox.warning(self, "⚠️ 提示", "请输入有效的数字！")
# 其他方法保持不变...
def create_user_menu(self):
"""创建用户菜单栏"""
if self.menu_bar:
self.menu_bar.clear()
else:
self.menu_bar = self.menuBar()
self.menu_bar.setStyleSheet("""
QMenuBar {
background: qlineargradient(x1:0, y1:0, x2:0, y2:1,
stop:0 #FFD1DC, stop:1 #B5EAD7);
color: #FF6B9C;
font: bold 12pt '微软雅黑';
border-bottom: 2px solid #FF9EBC;
}
QMenuBar::item {
background: transparent;
padding: 5px 10px;
}
QMenuBar::item:selected {
background: #FF9EBC;
border-radius: 10px;
}
""")
# 用户菜单
user_menu = self.menu_bar.addMenu(f"🎮 欢迎（点这里哦），{self.user_system.current_user}")
user_menu.setStyleSheet("""
QMenu {
background: white;
border: 2px solid #FF9EBC;
border-radius: 15px;
}
QMenu::item {
padding: 8px 20px;
font: 11pt '微软雅黑';
}
QMenu::item:selected {
background: #FFE4EC;
border-radius: 10px;
}
""")
user_menu.addAction("🔑 修改密码", self.open_change_password)
user_menu.addSeparator()
user_menu.addAction("🚪 退出登录", self.logout)
def open_change_password(self):
"""打开修改密码界面"""
if self.user_system and self.user_system.current_user:
from .login_ui import ChangePasswordUI
change_password_ui = ChangePasswordUI(self)
change_password_ui.exec_() # 这个还是弹窗，因为涉及敏感操作
else:
QMessageBox.warning(self, "提示", "请先登录")
def logout(self):
"""退出登录"""
if self.user_system:
self.user_system.current_user = None
self.user_system.current_level = None
QMessageBox.information(self, "🎮 再见", "期待下次与你一起冒险！")
self.show_main_page()
def clear_menu_bar(self):
"""清空菜单栏"""
if self.menu_bar:
self.menu_bar.clear()
self.menu_bar = None
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setStyle('Fusion')
window = MainWindow()
window.show()
sys.exit(app.exec_())
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