/// <summary> /// /// </summary> /// <param name="url"></param> /// <returns></returns> private Media ExtractBefore20151230(String url) { String videoID = HTTPHelper.GetParameterValue(url, "video_id"); if (videoID == null) { throw new Exception("无法获得URL[" + url + "]的video_id参数"); } String videoAPIAccessURL = VIDEO_API_ADDRESS + videoID; String responseString = HTTPHelper.SendHTTPGetRequest(videoAPIAccessURL); return(ExtractURL(url, responseString)); }