// 设置父类，属于UGUI特有的
public override void SetParent(Transform trans)
{
if (_poolDefaultRect == null)
{
_poolDefaultRect = gameObject.GetComponent <RectTransform>();
}
RectTransformHelper.SetParent(_poolDefaultRect, trans);
}
private void Init()
{
// 1.创建RectTransform
_factoryGoRootRect = GameObjectHelper.CreateRectTransform(_factoryName);
_factoryGoRoot = _factoryGoRootRect.gameObject;
// 2.挂载在 UGUI对象池下面的Root GameObject下面的东西
RectTransformHelper.SetParent(_factoryGoRootRect, RectTransformPool.Instance.FindTrans());
}