Unity使用WebRequest简单使用_lua如何使用unitywebrequest下载文件

WebRequest加载文档

IEnumerator LoadResourceCorotine()
    {
        UnityWebRequest request = UnityWebRequest.Get(@"http://localhost/fish.lua.txt");
        yield return request.SendWebRequest();
        string str = request.downloadHandler.text;
        File.WriteAllText(@"D:\PlayerGamePackage\fish.lua.txt", str);
    }
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WebRequest加载图片

IEnumerator LoadImageByUrl(string url,Action<Texture2D> action) 
        {
            UnityWebRequest request = new UnityWebRequest(url);
            DownloadHandlerTexture downloadHandler = new DownloadHandlerTexture(true);
            request.downloadHandler = downloadHandler;
            yield return request.SendWebRequest();
            Texture2D texture = null;
            if (!request.isNetworkError||request.isHttpError)
            {
                texture = downloadHandler.texture;
            }
            if (action!=null)
            {
                action(texture);
            }
            //Texture2D转Sprite
            //Sprite sprite = Sprite.Create(texture, new Rect(0, 0, texture.width, texture.height), Vector2.zero);
        }
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UnityWebRequest下载AB包

IEnumerator Instiate()
    {
        string uri = "http://192.168.1.103:9090/1/prefabs";
        UnityWebRequest request = UnityWebRequestAssetBundle.GetAssetBundle(uri,0);
        yield return request.SendWebRequest();

        AssetBundle ab = DownloadHandlerAssetBundle.GetContent(request);
        GameObject cube= ab.LoadAsset<GameObject>("Cube");
        Instantiate(cube);
    }
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UnityWebRequest下载并保存AB

    IEnumerator Instiate() {
        UnityWebRequest request = UnityWebRequest.Get(abPath);
        request.SendWebRequest();
        while (!request.isDone) {
            Debug.Log(request.downloadProgress);
            yield return 0;
        }
        if (request.isDone) {
            Debug.Log("下载完成");
        }
        byte [] data = request.downloadHandler.data;
        string fileName = Path.GetFileName(abPath);
        using (FileStream fs = new FileStream(Application.streamingAssetsPath + "/" + fileName , FileMode.Create)) {
            fs.Write(data , 0 , data.Length);
        }
        AssetBundle ab = AssetBundle.LoadFromMemory(data);
    }
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