/// 获得相关文章
 /// </summary>
 /// <param name="topCount"></param>
 /// <param name="articleId"></param>
 /// <returns></returns>
 public static List <ArticleInfo> GetRelatedArticleList(int topCount, int articleId, string tags)
 {
     return(ArticleManage.GetRelatedArticleList(topCount, articleId, tags));
 }