add main_ui.py(中交三航主界面)

main_ui.py

@@ -0,0 +1,8 @@
+from PySide6.QtWidgets import QApplication
+from controller.main_controller import MainController
+
+if __name__ == "__main__":
+    app = QApplication([])
+    controller = MainController()
+    controller.showMainWindow()
+    app.exec()