//更新图片
void UpdateImage(string imageURL)
{
if (string.IsNullOrEmpty(imageURL))
{
return; //如果文件不存在
}
Texture2D tex = new Texture2D(1920, 1080);
tex.LoadImage(LoadLocalImageByIO.LoadImageBytes(imageURL));
//不手动掉用销毁，有可能引发内存泄漏！！！！！
if (GetComponent <Image>().sprite != null)
{
DestroyImmediate(GetComponent <Image>().sprite.texture, false);
}
GetComponent <Image>().sprite = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), Vector2.zero);
}
void Start()
{
if (transform.parent == null || transform.parent.GetComponent <Canvas>() == null)
{
Debug.LogError("请把该示例(LoadImageExample)放置在Canvas内。");
return;
}
Texture2D tex = new Texture2D(1920, 1080);
tex.LoadImage(LoadLocalImageByIO.LoadImageBytes(ConfigXML.AppMediaPath + @"TestImage.png"));
//不手动掉用销毁，有可能引发内存泄漏！！！！！
if (GetComponent <Image>().sprite != null)
{
DestroyImmediate(GetComponent <Image>().sprite.texture, false);
}
GetComponent <Image>().sprite = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), Vector2.zero);
}