/// <summary>
/// 加载window
/// </summary>
/// <param name="windowName"></param>
void LoadWindow(string windowName)
{
string path = PathManager.GetWindowPath(windowName);
var obj = ResourceManager.Load <GameObject>(path);
var windowObj = PoolManager.InstantiateGameObject(obj, PoolType.Window);
windowObj.transform.SetParent(MainCanvas.transform, false);
UIWindowBase window = windowObj.GetComponent <UIWindowBase>();
_windowDict.Add(windowObj.name, window);
var uiDict = window.LoadAllUI();
RegistUI(window, uiDict);
window.Init();
}