1.从网页加载

using UnityEngine;

using System.Collections;

using System.IO;

public class WWWLoadGUITex: MonoBehaviour {

void Update () {

}

IEnumerator Start()

{

GUITexture guiTexture = gameObject.GetComponent<GUITexture > ();

string filePath = "http://mp3.zhuqu.com/static/images/water/86/867b534c61bc1c0d34667cbd92372c01.jpg";

WWW www = new WWW(filePath);

yield return www ;

this.gameObject.GetComponent<GUITexture >().texture = www.texture;

}

2.从本地加载

public class NewBehaviourScript : MonoBehaviour {

// Use this for initialization

void Start()

{

this.gameObject.GetComponent<GUITexture>().texture = GetPic(Application.dataPath + @"/Pictures/1.jpg");

}

Texture GetPic(string filePath)

{

Texture temp = new Texture();

FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read);

byte[] array = new byte[fs.Length];

fs.Read(array, 0, (int)fs.Length);

Texture2D _tex2 = new Texture2D(128, 128);

_tex2.LoadImage(array);

temp = _tex2 as Texture;

return temp;

}

// Update is called once per frame

void Update () {

}

}