//删除新闻
        public string DelNews(string articleId)
        {
            //#region 操作日志
            ////yungchu
            ////敏感字-无
            //BizLog bizlog = new BizLog()
            //{
            //	Summary = "新闻删除",
            //	KeywordType = KeywordType.ArticleId,
            //	Keyword = articleId,
            //	UserCode = _workContext.User.UserUame,
            //	UserRealName = _workContext.User.UserUame,
            //	UserType = UserType.LMS_User,
            //	SystemCode = SystemType.LMS,
            //	ModuleName = "新闻管理"
            //};

            //_operateLogServices.WriteLog(bizlog, _newService.Get(int.Parse(articleId)));
            //#endregion

            return(_newService.DelNews(int.Parse(articleId)));
        }