Unity查找某个资源的引用位置

unity中实现查找某个资源被prefab等引用的位置。首先需要在Project Setting的Editor中把Asset Serialization的Mode改成Force Text形式

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EditorSettings.serializationMode = SerializationMode.ForceText;
string path = AssetDatabase.GetAssetPath(Selection.activeObject);
if (!string.IsNullOrEmpty(path))
{
	string guid = AssetDatabase.AssetPathToGUID(path);
	List<string> withoutExtensions = new List<string>(){".prefab",".unity",".mat",".asset"};
	string[] files = Directory.GetFiles(Application.dataPath, "*.*", SearchOption.AllDirectories)
		.Where(s => withoutExtensions.Contains(Path.GetExtension(s).ToLower())).ToArray();
	int startIndex = 0;
	for (; startIndex < files.Length; startIndex++) {				string file = files [startIndex];
		 EditorUtility.DisplayCancelableProgressBar ("匹配资源中", file, (float)startIndex / (float)files.Length);
		if (Regex.IsMatch (File.ReadAllText (file), guid)) {
			Debug.Log (file, AssetDatabase.LoadAssetAtPath<Object> (GetRelativeAssetsPath (file)));
		}			
	}		 
	EditorUtility.ClearProgressBar ();
	Debug.Log ("查找结束");	
}