using UnityEngine;using System.Collections;using System.IO;using UnityEngine.UI;public class UITexLoader : MonoBehaviour {    public string texname;    private Texture2D m_Tex;          private void LoadFromFile(string path)    {        m_Tex = new Texture2D(1, 1);        m_Tex.LoadImage(ReadPNG(path));    }    private byte[] ReadPNG(string path)    {        FileStream fileStream = new FileStream(path, FileMode.Open, System.IO.FileAccess.Read);        fileStream.Seek(0, SeekOrigin.Begin);        byte[] binary = new byte[fileStream.Length]; //创建文件长度的buffer        fileStream.Read(binary, 0, (int)fileStream.Length);        fileStream.Close();        fileStream.Dispose();        fileStream = null;        return binary;    }    // Use this for initialization    void Start()    {                LoadFromFile(texname);        Sprite tempSprite = new Sprite();        tempSprite = Sprite.Create(m_Tex, new Rect(0, 0, m_Tex.width, m_Tex.height), new Vector2(0, 0));        GetComponent<Image>().sprite  =tempSprite;    }		// Update is called once per frame	void Update ()    {		}}