//方法一： Image/pic 在 Assets/Resources/目录下 Image _myImage; void Start(){    _myImage.sprite = Resources.Load("Image/pic", typeof(Sprite)) as Sprite;}//方法二：mySprite 为外部指定的图片资源

Image _myImage;

Sprite _ISprite; void Start()  {

　　_myImage.sprite = ISprite  }

//方法三 Image myImage; void Start () { StartCoroutine(GetImage()); } IEnumerator GetImage() {    string url = "http://www.5dbb.com/images/logo.gif";    WWW www = new WWW(url);    yield return www; if (string.IsNullOrEmpty(www.error)) {    Texture2D tex = www.texture;    Sprite temp = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(0, 0)); myImage.sprite = temp; } }