Unity客户端架构-Resource

using UnityEngine;using System.Collections;using System.IO;using System;public  class  Resource {    private static Hashtable texts = new Hashtable();    private static Hashtable images = new Hashtable();    private static Hashtable prefabs = new Hashtable();    public static GameObject LoadPrefab(string path)    {        object obj = Resource.prefabs[path];        if (obj == null)        {            Resource.prefabs.Remove(path);            GameObject gameObject = (GameObject)Resources.LoadAssetAtPath(path, typeof(GameObject));            Resource.prefabs.Add(path, gameObject);            return gameObject;        }        return obj as GameObject;    }    public static string LoadTextFile(string path, string ext)    {        object obj = Resource.texts[path];        if (obj == null)        {            Resource.texts.Remove(path);            string text = string.Empty;#if UINTY_EDITOR            string pathstr = Util.GetDataDir() + "/StreamingAssets/" + path + ext;#else            string pathstr = Util.AppContentDataUri + path + ext;#endif            text = File.ReadAllText(pathstr);            Resource.texts.Add(pathstr, ext);            return text;        }        return obj as string;    }    public static Texture2D LoadTexture(string path)    {        object obj = Resource.images[path];        if(obj == null)        {            Resource.images.Remove(path);            Texture2D texture2D = (Texture2D)Resources.Load(path, typeof(Texture2D));            Resource.images.Add(path,texture2D);            return texture2D;        }        return obj as Texture2D;    }}