| componentOrGameObject | 要检查的对象。必须是组件或 GameObject。 |
bool 如果对象是常规预制的组成部分，则为 true。
如果给定对象是常规预制实例或预制资源的组成部分，则返回 true。
如果对象是模型预制或预制变体的一部分，则返回 false。
如果对象以常规预制作为其最外层的预制实例根对象，则该对象是常规预制实例的组成部分。 若要获取最外层的预制实例根对象，请使用 GetOutermostPrefabInstanceRoot。
对于在预制模式下加载的预制内容，此方法不会检查加载该加载内容的预制资源，因为这些预制内容会被加载到预览场景中，并且在预制模式下编辑时不属于资源。这意味着对于预制模式下的预制内容，此方法仅对属于常规预制实例的对象返回 true。若要检查对象是否属于预制模式下的预制内容，请使用 PrefabStage.IsPartOfPrefabContents。
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