Unity中查找未打成图集的图片

写了个Unity小插件，能够遍历目录将没有打成图集的图片搜索出来
WithOutFolders为不搜索的目录
ConatainLastExtensions为搜索图片格式

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using UnityEngine;
using System.Collections;
using UnityEditor;
using System.IO;
using System.Collections.Generic;
using System.Linq;
public class FindUnDoTag  {
	[MenuItem("Libs/查找未打成图集的图片")]
	private static void FindUnTagResource()
	{
		List<string> WithOutFolders = new List<string>(){"Assets/Libs","Assets/Platforms","Assets/Plugins","Assets/Resources"};
		List<string> ConatainLastExtensions = new List<string>(){".png"};
		string[] files = Directory.GetFiles (Application.dataPath, "*.*", SearchOption.AllDirectories)
			.Where (s =>{ 
				for(int k=0;k<WithOutFolders.Count;k++){
					if(s.Contains(WithOutFolders[k])){
						return false;
					}
				}
				return ConatainLastExtensions.Contains (Path.GetExtension (s).ToLower ());
			}).ToArray ();
		string splitString = "Assets/";
		for (int i = 0; i < files.Length; i++) {
			string fullName = files [i].Substring (files [i].IndexOf(splitString));
			TextureImporter importer = AssetImporter.GetAtPath(fullName) as TextureImporter;
//			TextureImporter textureImporter = (TextureImporter)TextureImporter.GetAtPath (fullName);
			if (importer.spritePackingTag == "") {
				Log.Error (fullName);
			}
	
		}
		Log.Trace ("查找结束");
	}
}