import sys from PySide6.QtWidgets import ( QApplication, QMainWindow, QWidget, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, QPushButton, QMessageBox, QFrame, ) from PySide6.QtCore import Qt, QTimer from PySide6.QtGui import QFont, QCursor class LoginWindow(QMainWindow): """登录窗口类，优化宽高比例和布局美观度""" def __init__(self, use_dark_theme=False): super().__init__() # 浅色主题样式表 self.light_style = """ QMainWindow, QWidget { background-color: #f0f2f5; } QLabel#titleLabel { font-weight: bold; color: #1a73e8; } QLabel#subtitleLabel { font-size: 16px; color: #5f6368; } QLabel#normalLabel { font-size: 14px; color: #5f6368; } QLabel#linkLabel { font-size: 14px; color: #1a73e8; text-decoration: underline; background: transparent; border: none; } QLabel#hintLabel { font-size: 16px; color: white; background-color: #4caf50; border-radius: 8px; padding: 3px 16px; min-height: 29px; min-width: 106px; max-width: 300px; border: none; text-align: center; } QLineEdit { padding: 10px; border: 1px solid #dadce0; border-radius: 6px; font-size: 14px; background-color: white; color: #202124; } QLineEdit:focus { border: 2px solid #1a73e8; outline: none; } QPushButton { background-color: #1a73e8; color: white; padding: 10px; border-radius: 6px; font-size: 16px; font-weight: 500; } QPushButton:hover { background-color: #1765cc; } QPushButton:pressed { background-color: #165dba; } QFrame#loginFrame { background-color: white; border-radius: 10px; padding: 30px; border: 1px solid #e0e0e0; max-height: 350px; max-width: 400px; /* 限制登录框最大宽度 */ } """ # 深色主题样式表 self.dark_style = """ QMainWindow, QWidget { background-color: #1a1a1a; } QLabel#titleLabel { font-weight: bold; color: #8ab4f8; } QLabel#subtitleLabel { font-size: 16px; color: #d0d0d0; } QLabel#normalLabel { font-size: 14px; color: #d0d0d0; } QLabel#linkLabel { font-size: 14px; color: #8ab4f8; text-decoration: underline; background: transparent; border: none; } QLabel#hintLabel { font-size: 16px; color: white; background-color: #4caf50; border-radius: 8px; padding: 3px 16px; min-height: 29px; min-width: 106px; max-width: 300px; border: none; text-align: center; } QLineEdit { padding: 10px; border: 1px solid #444444; border-radius: 6px; font-size: 14px; background-color: #333333; color: #e0e0e0; } QLineEdit:focus { border: 2px solid #8ab4f8; outline: none; } QPushButton { background-color: #1a73e8; color: white; padding: 10px; border-radius: 6px; font-size: 16px; font-weight: 500; } QPushButton:hover { background-color: #2962ff; } QPushButton:pressed { background-color: #1565c0; } QFrame#loginFrame { background-color: #2d2d2d; border-radius: 10px; padding: 30px; border: 1px solid #444444; max-height: 350px; max-width: 400px; /* 限制登录框最大宽度 */ } """ # 初始化主题 if use_dark_theme: self.setStyleSheet(self.dark_style) else: self.setStyleSheet(self.light_style) self.init_ui() def init_ui(self): # 宽高比例调整为3:2（宽度减少，更紧凑美观） self.setWindowTitle("密胺餐盘自动化生产控制系统") self.resize(900, 600) # 3:2比例（900/600=1.5） self.setMinimumSize(750, 500) # 最小尺寸保持3:2比例 # 创建中心部件和主布局 central_widget = QWidget() self.setCentralWidget(central_widget) main_layout = QVBoxLayout(central_widget) main_layout.setContentsMargins(50, 10, 50, 50) main_layout.setSpacing(15) # 提示信息容器 hint_container = QWidget() hint_container.setFixedHeight(50) hint_layout = QHBoxLayout(hint_container) hint_layout.setContentsMargins(0, 0, 0, 0) hint_layout.setAlignment(Qt.AlignCenter) self.hint_label = QLabel("密码: 123") self.hint_label.setObjectName("hintLabel") self.hint_label.setAlignment(Qt.AlignHCenter | Qt.AlignVCenter) self.hint_label.setVisible(False) hint_layout.addWidget(self.hint_label) main_layout.addWidget(hint_container) # 系统标题（随窗口动态缩放） self.title_label = QLabel("密胺餐盘自动化生产控制系统") self.title_label.setObjectName("titleLabel") self.title_label.setAlignment(Qt.AlignCenter) main_layout.addWidget(self.title_label) # 系统描述 subtitle_label = QLabel("高效、安全的自动化控制系统") subtitle_label.setObjectName("subtitleLabel") subtitle_label.setAlignment(Qt.AlignCenter) subtitle_label.setFixedHeight(25) main_layout.addWidget(subtitle_label) main_layout.addSpacing(20) # 登录框（宽度减少，更紧凑） login_frame = QFrame() login_frame.setObjectName("loginFrame") login_layout = QVBoxLayout(login_frame) login_layout.setSpacing(20) login_layout.setContentsMargins(20, 20, 20, 20) # 账号输入 self.username_input = QLineEdit() self.username_input.setPlaceholderText("请输入账号") self.username_input.setText("manager") self.username_input.setMinimumWidth(250) self.username_input.setMaximumWidth(350) # 限制输入框最大宽度 # 密码输入 self.password_input = QLineEdit() self.password_input.setPlaceholderText("请输入密码") self.password_input.setEchoMode(QLineEdit.Password) self.password_input.setMinimumWidth(250) self.password_input.setMaximumWidth(350) # 登录按钮和忘记密码布局 btn_layout = QVBoxLayout() self.login_btn = QPushButton("登录") self.login_btn.clicked.connect(self.validate_login) self.login_btn.setMinimumWidth(250) self.login_btn.setMaximumWidth(350) forgot_layout = QHBoxLayout() forgot_layout.setAlignment(Qt.AlignLeft) self.forgot_password = QLabel("忘记密码") self.forgot_password.setObjectName("linkLabel") self.forgot_password.setTextInteractionFlags(Qt.TextSelectableByMouse) self.forgot_password.setCursor(QCursor(Qt.PointingHandCursor)) self.forgot_password.mousePressEvent = self.show_password_hint forgot_layout.addWidget(self.forgot_password) forgot_layout.addStretch() btn_layout.addWidget(self.login_btn) btn_layout.addLayout(forgot_layout) login_layout.addWidget(self.username_input) login_layout.addWidget(self.password_input) login_layout.addLayout(btn_layout) # 水平布局（登录框宽度占比减少，左右留白增加） center_layout = QHBoxLayout() center_layout.addStretch(2) # 左侧空白占2份 center_layout.addWidget(login_frame, 3) # 登录框占3份 center_layout.addStretch(2) # 右侧空白占2份 main_layout.addLayout(center_layout, 2) main_layout.addStretch(1) # 默认选中密码框 self.password_input.setFocus() # 提示定时器 self.hint_timer = QTimer(self) self.hint_timer.setSingleShot(True) self.hint_timer.timeout.connect(self.hide_password_hint) # 初始化标题大小 self.adjust_title_size() def adjust_title_size(self): """调整标题大小，适应新的宽高比例""" window_width = self.width() # 字体大小计算更保守（宽度减少后避免文字过大） font_size = max(20, min(36, window_width // 66)) # 除数增大，字体增长更平缓 font = QFont() font.setPointSize(font_size) self.title_label.setFont(font) def resizeEvent(self, event): """窗口大小改变时调整标题""" super().resizeEvent(event) self.adjust_title_size() def toggle_theme(self): """切换主题接口""" current_style = self.styleSheet() if current_style == self.light_style: self.setStyleSheet(self.dark_style) else: self.setStyleSheet(self.light_style) def show_password_hint(self, event): self.hint_label.setVisible(True) self.hint_timer.start(3000) def hide_password_hint(self): self.hint_label.setVisible(False) def validate_login(self): username = self.username_input.text().strip() password = self.password_input.text().strip() if password != "123": QMessageBox.warning(self, "登录失败", "密码错误，请重试！") return if username == "manager": self.open_workshop_manager_interface() elif username == "admin": self.open_debugger_interface() else: QMessageBox.warning(self, "登录失败", "用户名不存在！") return def open_workshop_manager_interface(self): current_style = self.styleSheet() self.workshop_window = WorkshopManagerWindow(current_style) self.workshop_window.show() self.close() def open_debugger_interface(self): current_style = self.styleSheet() self.debugger_window = DebuggerWindow(current_style) self.debugger_window.show() self.close() class WorkshopManagerWindow(QMainWindow): def __init__(self, style_sheet): super().__init__() self.setStyleSheet(style_sheet) self.init_ui() def init_ui(self): self.setWindowTitle("车间主管控制台 - 密胺餐盘自动化生产控制系统") self.resize(1050, 700) # 3:2比例 self.setMinimumSize(900, 600) central_widget = QWidget() self.setCentralWidget(central_widget) layout = QVBoxLayout(central_widget) title_label = QLabel("欢迎使用车间主管系统") title_label.setObjectName("titleLabel") title_label.setAlignment(Qt.AlignCenter) title_label.setFont(QFont("Arial", 18, QFont.Bold)) info_label = QLabel("这里是密胺餐盘生产线的管理和监控功能界面") info_label.setObjectName("normalLabel") info_label.setAlignment(Qt.AlignCenter) layout.addStretch() layout.addWidget(title_label) layout.addWidget(info_label) layout.addStretch() class DebuggerWindow(QMainWindow): def __init__(self, style_sheet): super().__init__() self.setStyleSheet(style_sheet) self.init_ui() def init_ui(self): self.setWindowTitle("调试人员控制台 - 密胺餐盘自动化生产控制系统") self.resize(1050, 700) # 3:2比例 self.setMinimumSize(900, 600) central_widget = QWidget() self.setCentralWidget(central_widget) layout = QVBoxLayout(central_widget) title_label = QLabel("欢迎使用调试人员系统") title_label.setObjectName("titleLabel") title_label.setAlignment(Qt.AlignCenter) title_label.setFont(QFont("Arial", 18, QFont.Bold)) info_label = QLabel("这里是密胺餐盘生产设备的调试和参数配置界面") info_label.setObjectName("normalLabel") info_label.setAlignment(Qt.AlignCenter) layout.addStretch() layout.addWidget(title_label) layout.addWidget(info_label) layout.addStretch() if __name__ == "__main__": app = QApplication(sys.argv) window = LoginWindow(use_dark_theme=False) window.show() sys.exit(app.exec())