UnityAPI-UnityWebRequest

1. 创建连接

// 以下两种方式等价
new UnityWebRequest(url);
UnityWebRequest.Get(url);

2. 设置http传输的表头

www.SetRequestHeader("User-Agent", "Mozilla / 5.0(Windows NT 10.0;WOW64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / 75.0.3770.100Safari / 537.36");
www.SetRequestHeader("Content-Type", "utf8");

3. 获取传输的文本

www.downloadHandler.text

4. 获取传输的图片：DownloadHandlerTexture

DownloadHandlerTexture texDl = new DownloadHandlerTexture(true);
// 设置引用
www.downloadHandler = texDl;
Texture2D t = texDl.texture;
GetComponent().overrideSprite = Sprite.Create(t, new Rect(0, 0, t.width, t.height), Vector2.zero, 1f);
GetComponent().texture = t;

实例

IEnumerator UploadCardBase(string url)
{
    var www = new UnityWebRequest(url);
    DownloadHandlerTexture texDl = new DownloadHandlerTexture(true);
    www.downloadHandler = texDl;
    yield return www.SendWebRequest();
    // 材质
    Renderer renderer = GetComponent();
    renderer.material.mainTexture = texDl.texture;
    Texture2D t = texDl.texture;
    // 图像
    GetComponent().overrideSprite = Sprite.Create(t, new Rect(0, 0, t.width, t.height), Vector2.zero, 1f);
    // 原始图像
    GetComponent().texture = t;
}

IEnumerator UploadCardBase2(string url)
{
    var www = UnityWebRequest.Get(url);
    www.SetRequestHeader("User-Agent", "Mozilla / 5.0(Windows NT 10.0;WOW64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / 75.0.3770.100Safari / 537.36");
    www.SetRequestHeader("Content-Type", "utf8");
    yield return www.SendWebRequest();

    if (www.result == UnityWebRequest.Result.ProtocolError || www.result == UnityWebRequest.Result.ConnectionError)
    {
        Debug.Log(www.error);
    }
    else
    {
        Debug.Log(www.downloadHandler.text);
    }
}