Unity中代码修改UI层级关系

 /// <summary>/// 修改UI背景图的层级/// *******背景图和显示图层必须在同意级别**********/// </summary>/// <param name="Trans_Background">背景图</param>/// <param name="Trans_Show">要显示的图层</param>private void ChangeUI_Layer_Method(Transform Trans_Background, Transform Trans_Show){if (Trans_Background != null && Trans_Show != null){//1、获取要显示的图层信息int Int_ShowLayer = Trans_Show.GetSiblingIndex();Debug.Log("要显示的图层是：" + Int_ShowLayer);//2、获取背景图层信息int Int_BackgroundLayer = Trans_Background.GetSiblingIndex();Debug.Log("背景图的图层是：" + Int_BackgroundLayer);//3、修改背景图的层级if (Int_ShowLayer == 0){Trans_Background.SetAsFirstSibling();}else{//4、判断背景图和要显示的图层关系if (Int_ShowLayer < Int_BackgroundLayer){Trans_Background.SetSiblingIndex(Int_ShowLayer);}else{Trans_Background.SetSiblingIndex(Int_ShowLayer - 1);}}}}