BiliRanking.Core.BiliInterface.GetMP4UrlBackUp C# (CSharp) Метод

        public static string GetMP4UrlBackUp(uint aid, int page = 1)
        {
            Log.Info("开始使用备选方案获取MP4地址 - aid" + aid);
            string h5url = "http://www.bilibili.com/m/html5?aid=" + aid + "&page=" + page;
            string html = GetHtml(h5url);
            JavaScriptSerializer j = new JavaScriptSerializer();
            BiliH5videoInfo info = new BiliH5videoInfo();
            info = j.Deserialize<BiliH5videoInfo>(html);
            if (info.src == "http://static.hdslb.com/error.mp4")
            {
                Log.Error("错误的AV号或页码！（有些老视频没有mp4格式的哦= =）");
                return null;
            }
            else
            {
                return info.src;
            }
        }