Unity、Android使用UnityWebRequest读取StreamingAssets路径下配置文件（WWW方法已经弃用）

https://blog.csdn.net/xukaishun/article/details/118814929

/// <summary>
/// 通过UnityWebRequest获取本地StreamingAssets文件夹中的Json文件
/// </summary>
/// <param name="path">StreamingAssets文件夹中文件名字加后缀</param>
/// <returns></returns>

public static string GetTextForStreamingAssets(string path)
{
    var uri = new System.Uri(Path.Combine(Application.streamingAssetsPath, path));
    UnityWebRequest request = UnityWebRequest.Get(uri);
    request.SendWebRequest();//读取数据
    if (request.error == null)
    {
        while (true)
        {
            if (request.downloadHandler.isDone)//是否读取完数据
            {
                Debug.Log(request.downloadHandler.text);
                return request.downloadHandler.text;
            }
        }
    }
    else
    {
        return null;
    }

}