public static T FindChild <T>(GameObject parent, string childName)
{
GameObject uiGO = UnityTool.FindChild(parent, childName);
if (uiGO == null)
{
Debug.LogError("在游戏物体" + parent + "下面查找不到" + childName);
return(default(T));
}
return(uiGO.GetComponent <T>());
}