public  Sprite LoadSourceSprite(string relativePath)
    {
        //Debug.Log("relativePath=" + relativePath);
        //把資源加載到內(nèi)存中
        Object Preb = Resources.Load(relativePath, typeof(Sprite));
        Sprite tmpsprite = null;
        try
        {
            tmpsprite = Instantiate(Preb) as Sprite;
        }
        catch ( System.Exception ex )
        {
        }
        //用加載得到的資源對(duì)象，實(shí)例化游戲?qū)ο?，?shí)現(xiàn)游戲物體的動(dòng)態(tài)加載
        return tmpsprite;
        //return Resources.Load(relativePath, typeof(Sprite)) as Sprite;
    }

//引入命名空間
using System;
using System.IO;
    /// <summary>
    /// 加載圖片的Byte[]數(shù)組
    /// </summary>
    /// <param name="filesName">地址</param>
    public List<byte[]> LoadImage(string filesName)
    {
        List<byte[]> list = new List<byte[]>();
        string tempPath ="E:\"+filesName;  // 圖片所在文件夾地址
        List<string> filePaths = new List<string>();
        string imgtype = "*.BMP|*.JPG|*.PNG";
        string[] ImageType = imgtype.Split('|');
        for (int i = 0; i < ImageType.Length; i++)
        {
            //文件夾下所有的圖片路徑  
            string[] dirs = Directory.GetFiles(tempPath, ImageType[i]);
            for (int j = 0; j < dirs.Length; j++)
            {
                filePaths.Add(dirs[j]);
            }
        }
        for (int i = 0; i < filePaths.Count; i++)
        {
            byte[] bs = getImageByte(filePaths[i]);
            list.Add(bs);
        }
        return list;
    }
    #endregion
    /// <summary>  
    /// 根據(jù)圖片路徑返回圖片的字節(jié)流byte[]  
    /// </summary>  
    /// <param name="imagePath">圖片路徑</param>  
    /// <returns>返回的字節(jié)流</returns>  
    private byte[] getImageByte(string imagePath)
    {
        FileStream files = new FileStream(imagePath, FileMode.Open,FileAccess.Read);
        files.Seek(0,SeekOrigin.Begin);
        byte[] imgByte = new byte[files.Length];
        files.BeginRead(imgByte,0,(int)files.Length,CallBack,files);
        return imgByte;
    }
    /// <summary>
    /// 異步加載
    /// </summary>
    /// <param name="ar"></param>
    void CallBack(IAsyncResult ar)
    {
        FileStream fs = ar.AsyncState as FileStream;
        fs.Close();
        fs.Dispose();
    }

List<byte[]> data=new  List<byte[]>();  //臨時(shí)接收?qǐng)D片數(shù)據(jù)流
List<Texture2D> turList=new List<Texture2D>();  //保存圖片
data=加載類.LoadImage("測(cè)試圖片");
foreach (byte[] item in data)
{
   Texture2D tex = new Texture2D(100, 100, TextureFormat.RGBA32, false);  
   tex.LoadImage(item); //建議哪里調(diào)用哪里轉(zhuǎn)  還可轉(zhuǎn)精靈
   turList.Add(tex);  
}

public static class ImageLoad {
         public static Texture2D LoadImageByte(string path){
            FileStream files=new FileStream (PathSet.dataPath+path,FileMode.Open,FileAccess.Read);
            files.Seek(0,SeekOrigin.Begin);
            byte[] imgByte=new byte[files.Length];
            //少量臨時(shí)加載會(huì) 紅問(wèn)號(hào) 
            //files.BeginRead(imgByte,0,(int)files.Length,CallBack,files);
            files.Read(imgByte,0,imgByte.Length);
            files.Close();
            Texture2D tx=new Texture2D (512,512);
            tx.LoadImage(imgByte);
            return tx;
        }
       static void CallBack(IAsyncResult ar){
           FileStream fileStream=ar.AsyncState as FileStream;
            fileStream.Close();
            fileStream.Dispose();
       } 
    }