这是使用PyQT5作为UI的首次提交,将后端和UI合并到1个工程中，统一使用了Python，没有使用JS和HTML
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UI/views/main_window.py
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209
UI/views/main_window.py
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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主窗口类，包含导航和主内容区域
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"""
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import sys
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import os
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from PyQt5.QtWidgets import (QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
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QPushButton, QStackedWidget, QLabel, QStatusBar, QSizePolicy, QMessageBox, QApplication)
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from PyQt5.QtCore import Qt, pyqtSignal
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from PyQt5.QtGui import QIcon, QCloseEvent
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from views.test_monitor_view import TestMonitorView
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from views.test_plan_view import TestPlanView
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from views.test_result_view import TestResultView
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from views.system_settings_view import SystemSettingsView
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class MainWindow(QMainWindow):
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# 定义窗口关闭信号
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window_closed = pyqtSignal()
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def __init__(self):
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print("开始初始化主窗口...")
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super().__init__()
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print("设置窗口标题和尺寸...")
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self.setWindowTitle("DTM试验管理系统")
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# 设置初始窗口大小（屏幕的90%）
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from PyQt5.QtWidgets import QDesktopWidget
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screen = QDesktopWidget().screenGeometry()
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self.resize(int(screen.width() * 0.9), int(screen.height() * 0.9))
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# 窗口居中
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self.move((screen.width() - self.width()) // 2, (screen.height() - self.height()) // 2)
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# 创建中心部件
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print("创建中心部件...")
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self.central_widget = QWidget()
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self.setCentralWidget(self.central_widget)
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# 创建主布局
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print("创建主布局...")
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self.main_layout = QVBoxLayout(self.central_widget)
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self.main_layout.setContentsMargins(0, 0, 0, 0)
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self.main_layout.setSpacing(0)
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# 创建导航栏
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print("创建导航栏...")
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self.create_navigation_bar()
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# 创建主内容区域
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print("创建主内容区域...")
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self.create_main_content()
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# 创建状态栏
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print("创建状态栏...")
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self.create_status_bar()
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# 应用样式表
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print("应用样式表...")
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self.apply_styles()
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# 默认显示第一个视图
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print("切换到默认视图...")
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self.switch_to_view(0)
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# 窗口初始化完成后设置为最大化显示
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self.showMaximized()
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print("主窗口初始化完成")
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def create_navigation_bar(self):
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"""创建导航栏"""
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print("创建导航栏部件...")
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self.nav_bar = QWidget()
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self.nav_bar.setObjectName("nav-bar")
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nav_layout = QHBoxLayout(self.nav_bar)
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nav_layout.setContentsMargins(10, 10, 10, 10)
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nav_layout.setSpacing(20)
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# 应用标题
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title_label = QLabel("跌落系统管理")
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title_label.setObjectName("title")
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title_label.setAlignment(Qt.AlignCenter)
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title_label.setStyleSheet("font-size: 24px; font-weight: bold;")
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nav_layout.addWidget(title_label)
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# 添加弹性空间
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nav_layout.addStretch()
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# 右侧功能按钮
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self.nav_buttons = []
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# 试验监测按钮
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btn_monitor = QPushButton("🖥 试验监测")
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btn_monitor.setObjectName("nav-button")
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btn_monitor.setCheckable(True)
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btn_monitor.clicked.connect(lambda: self.switch_to_view(0))
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nav_layout.addWidget(btn_monitor)
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self.nav_buttons.append(btn_monitor)
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# 试验计划按钮
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btn_plan = QPushButton("📋 试验计划")
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btn_plan.setObjectName("nav-button")
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btn_plan.setCheckable(True)
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btn_plan.clicked.connect(lambda: self.switch_to_view(1))
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nav_layout.addWidget(btn_plan)
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self.nav_buttons.append(btn_plan)
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# 测试结果按钮
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btn_result = QPushButton("📊 测试结果")
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btn_result.setObjectName("nav-button")
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btn_result.setCheckable(True)
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btn_result.clicked.connect(lambda: self.switch_to_view(2))
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nav_layout.addWidget(btn_result)
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self.nav_buttons.append(btn_result)
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# 系统设置按钮（齿轮图标）
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btn_settings = QPushButton("⚙ 系统设置")
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btn_settings.setObjectName("nav-button")
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btn_settings.setCheckable(True)
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btn_settings.clicked.connect(lambda: self.switch_to_view(3))
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nav_layout.addWidget(btn_settings)
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self.nav_buttons.append(btn_settings)
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# 添加关闭按钮 （取消关闭按钮，复用主窗口的关闭按钮）
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# close_button = QPushButton("×")
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# close_button.setObjectName("close-button")
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# close_button.clicked.connect(self.close_application)
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# nav_layout.addWidget(close_button)
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self.main_layout.addWidget(self.nav_bar)
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print("导航栏创建完成")
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def create_main_content(self):
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"""创建主内容区域"""
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print("创建主内容区域...")
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self.content_area = QStackedWidget()
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self.main_layout.addWidget(self.content_area)
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# 创建各个视图
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print("创建试验监控视图...")
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self.test_monitor_view = TestMonitorView() # 默认监控界面
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print("创建试验计划视图...")
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self.test_plan_view = TestPlanView()
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print("创建测试结果视图...")
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self.test_result_view = TestResultView()
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print("创建系统设置视图...")
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self.system_settings_view = SystemSettingsView()
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# 添加到堆叠窗口
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print("添加视图到堆叠窗口...")
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self.content_area.addWidget(self.test_monitor_view) # 索引0：试验监控（默认）
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self.content_area.addWidget(self.test_plan_view) # 索引1：试验计划
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self.content_area.addWidget(self.test_result_view) # 索引2：测试结果
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self.content_area.addWidget(self.system_settings_view) # 索引3：系统设置
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print("主内容区域创建完成")
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def create_status_bar(self):
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"""创建状态栏"""
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print("创建状态栏...")
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self.status_bar = QStatusBar()
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self.setStatusBar(self.status_bar)
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self.status_bar.showMessage("就绪")
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print("状态栏创建完成")
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def apply_styles(self):
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"""应用样式表"""
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try:
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style_file = os.path.join(os.path.dirname(os.path.abspath(__file__)), '..', 'styles', 'app_style.qss')
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if os.path.exists(style_file):
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with open(style_file, 'r', encoding='utf-8') as f:
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style_sheet = f.read()
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# 全局应用样式，确保按钮等控件样式生效
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QApplication.instance().setStyleSheet(style_sheet)
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print(f"导入全局样式: {style_file}")
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else:
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print(f"样式文件未找到: {style_file}")
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except Exception as e:
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print(f"应用样式时出错: {e}")
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def close_application(self):
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"""关闭应用程序"""
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reply = QMessageBox.question(self, "确认退出", "确定要关闭系统吗？", QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
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if reply == QMessageBox.Yes:
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self.close()
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def closeEvent(self, event: QCloseEvent):
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"""重写窗口关闭事件"""
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print("主窗口关闭事件触发")
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# 发出窗口关闭信号
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self.window_closed.emit()
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# 接受关闭事件
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event.accept()
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print("主窗口关闭完成")
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def switch_to_view(self, index):
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"""切换视图"""
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# 更新按钮状态
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for i, button in enumerate(self.nav_buttons):
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button.setChecked(i == index)
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# 切换内容
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self.content_area.setCurrentIndex(index)
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# 更新状态栏
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view_names = ["试验监控", "试验计划", "测试结果", "系统设置"]
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if index < len(view_names):
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self.status_bar.showMessage(f"当前视图: {view_names[index]}")
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