add main_ui.py(中交三航主界面)

controller/main_controller.py

@@ -0,0 +1,21 @@
+from  view.main_window import MainWindow
+
+class MainController:
+    def __init__(self):
+        # 主界面
+        self.main_window = MainWindow()
+
+        # 初始化子界面
+        self._initSubViews()
+
+        # 初始化子控制器
+        # self._initSubControllers()
+
+
+        # self.__connectSignals()
+    
+    def showMainWindow(self):
+        self.main_window.show()
+
+    def _initSubViews(self):
+        pass