/// <summary> /// 搜索热词 /// </summary> public string HotSearchWord(SimpleSearchFilter filter) { try { var pindex = VideoNodeKeyArray.Instance.Items[new VideoNodeKey(filter.platform, 0, filter.auth)]; var words = LuceneDictionary.Instance.Dictionary[pindex].Items; IEnumerable <XElement> page = null; if (filter.lang == CustomArray.LanguageArray[1]) { page = words.Skip(filter.c * (filter.s - 1)).Take(filter.c).Select <InstrumentNode, XElement> (v => { return(new XElement("keyword", LanguageUtils.FormatTraditionChinese(v.Key))); }); } else { page = words.Skip(filter.c * (filter.s - 1)).Take(filter.c).Select <InstrumentNode, XElement> (v => { return(new XElement("keyword", v.Key)); }); } var xml = new XElement("keywords", new XElement("count", words.Count), new XElement("page_count", PageUtils.PageCount(words.Count, filter.c)), page ); return(xml.ToString(SaveOptions.DisableFormatting)); } catch (KeyNotFoundException) { return(BoxUtils.FormatErrorMsg("不存在该平台下的热词信息")); } catch (Exception ex) { return(BoxUtils.FormatErrorMsg(ex)); } }