Unity3D 改变对象下所有子对象的组件属性

//获取对象下所有子对象的Transform
Transform[] allChildrenTransform = GameObject.Find("falali").GetComponentsInChildren<Transform>();
foreach(Transform child in allChildrenTransform)
{
//do something
}

//获取对象下所有子对象的Renderer
Renderer[] allChildren = GameObject.Find("falali").GetComponentsInChildren<Renderer>();
foreach(Renderer child in allChildren)
{
child.materials[0].mainTexture = tex01;
}