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

UI/controllers/__init__.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-

UI/controllers/main_controller.py

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+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+主控制器，负责协调各个模块和数据管理
+"""
+
+from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
+from models.monitor_model import MonitorModel
+from models.dut_model import DUTModel
+from models.system_model import SystemModel
+
+
+class MainController(QObject):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        
+        # 初始化各个数据模型
+        self._monitor_model = MonitorModel()
+        self._dut_model = DUTModel()
+        self._system_model = SystemModel()
+        
+        # 导航属性
+        self._current_view = "test_arrangement"  # 默认视图
+        
+    # 信号定义
+    currentViewChanged = pyqtSignal()
+    
+    # 属性访问器
+    @pyqtProperty('QString', notify=currentViewChanged)
+    def currentView(self):
+        return self._current_view
+    
+    @currentView.setter
+    def setCurrentView(self, view):
+        if self._current_view != view:
+            self._current_view = view
+            self.currentViewChanged.emit()
+            
+    # 模型访问器
+    @pyqtProperty('QObject*', constant=True)
+    def monitorModel(self):
+        return self._monitor_model
+        
+    @pyqtProperty('QObject*', constant=True)
+    def dutModel(self):
+        return self._dut_model
+        
+    @pyqtProperty('QObject*', constant=True)
+    def systemModel(self):
+        return self._system_model
+        
+    # 视图切换方法
+    @pyqtSlot(str)
+    def switchView(self, view_name):
+        """切换视图"""
+        self.setCurrentView = view_name