结构大修改，改成朴实无华的结构，不过度架构。能跑就行

Assets/Plugins/FairyGUI/Examples/Bag/BagMain.cs

@@ -0,0 +1,36 @@
+using UnityEngine;
+using FairyGUI;
+
+/// <summary>
+/// A game bag demo, demonstrated how to customize loader to load icons not in the UI package.
+/// </summary>
+public class BagMain : MonoBehaviour
+{
+    GComponent _mainView;
+    BagWindow _bagWindow;
+
+    void Awake()
+    {
+        //Register custom loader class
+        UIObjectFactory.SetLoaderExtension(typeof(MyGLoader));
+    }
+
+    void Start()
+    {
+        Application.targetFrameRate = 60;
+        Stage.inst.onKeyDown.Add(OnKeyDown);
+        GRoot.inst.SetContentScaleFactor(1136, 640);
+        _mainView = this.GetComponent<UIPanel>().ui;
+        
+        _bagWindow = new BagWindow();
+        _mainView.GetChild("bagBtn").onClick.Add(() => { _bagWindow.Show(); });
+    }
+
+    void OnKeyDown(EventContext context)
+    {
+        if (context.inputEvent.keyCode == KeyCode.Escape)
+        {
+            Application.Quit();
+        }
+    }
+}