public static List <SearchVm2> Query(string keyWord, int rowNum, int count) { //定义solr //ISolrOperations<SearchVm2> solr= ServiceLocator.Current.GetInstance<ISolrOperations<SearchVm2>>(); //建立排序,条件. QueryOptions options = new QueryOptions(); options.Rows = count; //数据条数 options.Start = 1; //开始项 //创建查询条件 var qTB = new SolrQueryByField("text", keyWord); //创建条件集合 List <ISolrQuery> query = new List <ISolrQuery>(); //添加条件 query.Add(qTB); //按照时间倒排序. options.AddOrder(new SortOrder("CreateTime", Order.DESC)); //条件集合之间的关系 var qTBO = new SolrMultipleCriteriaQuery(query, "OR"); //执行查询,有5个重载 //SolrQueryResults<SearchVm2> results = solr.Query(qTBO,options); return(null);//results; }
internal SolrQueryResults <Dictionary <string, object> > Execute(SolrCompositeQuery compositeQuery, Type resultType) { var options = new QueryOptions(); if (compositeQuery.Methods != null) { var list1 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Select).Select(m => (SelectMethod)m).ToList(); if (list1.Any()) { foreach ( var str in list1.SelectMany(selectMethod => (IEnumerable <string>)selectMethod.FieldNames)) { options.Fields.Add(str.ToLowerInvariant()); } options.Fields.Add("_uniqueid"); options.Fields.Add("_datasource"); } var list2 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.GetResults).Select(m => (GetResultsMethod)m).ToList(); if (list2.Any()) { if (options.Fields.Count > 0) { options.Fields.Add("score"); } else { options.Fields.Add("*"); options.Fields.Add("score"); } } var list3 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.OrderBy).Select(m => (OrderByMethod)m).ToList(); if (list3.Any()) { foreach (var orderByMethod in list3) { var field = orderByMethod.Field; options.AddOrder(new SortOrder(field, orderByMethod.SortDirection == SortDirection.Ascending ? Order.ASC : Order.DESC)); } } int startIdx; int maxHits; this.GetMaxHits(compositeQuery, this._contentSearchSettings.SearchMaxResults(), out startIdx, out maxHits); var list4 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Skip).Select(m => (SkipMethod)m).ToList(); if (list4.Any()) { var num = list4.Sum(skipMethod => skipMethod.Count); options.Start = new int?(num); } var list5 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Take).Select(m => (TakeMethod)m).ToList(); if (list5.Any()) { var num = list5.Sum(takeMethod => takeMethod.Count); options.Rows = new int?(num); } var list6 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Count).Select(m => (CountMethod)m).ToList(); if (compositeQuery.Methods.Count == 1 && list6.Any()) { options.Rows = new int?(0); } var list7 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Any).Select(m => (AnyMethod)m).ToList(); if (compositeQuery.Methods.Count == 1 && list7.Any()) { options.Rows = new int?(0); } var list8 = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.GetFacets).Select(m => (GetFacetsMethod)m).ToList(); if (compositeQuery.FacetQueries.Count > 0 && (list8.Any() || list2.Any())) { foreach ( var facetQuery in GetFacetsPipeline.Run( new GetFacetsArgs(null, compositeQuery.FacetQueries, this._context.Index.Configuration.VirtualFieldProcessors, this._context.Index.FieldNameTranslator)).FacetQueries.ToHashSet()) { if (facetQuery.FieldNames.Any()) { var minimumResultCount = facetQuery.MinimumResultCount; if (facetQuery.FieldNames.Count() == 1) { var fieldNameTranslator = this.FieldNameTranslator as SolrFieldNameTranslator; var fieldName = facetQuery.FieldNames.First(); if (fieldNameTranslator != null && fieldName == fieldNameTranslator.StripKnownExtensions(fieldName) && this._context.Index.Configuration.FieldMap.GetFieldConfiguration(fieldName) == null) { fieldName = fieldNameTranslator.GetIndexFieldName( fieldName.Replace("__", "!").Replace("_", " ").Replace("!", "__"), true); } /** * ******* UPDATED HERE ******* * If any FilterValues passed into the Facets, add them to the FilterValues AND the Facet On * have them excluded */ if (facetQuery.FilterValues.Any()) { options.AddFilterQueries(new LocalParams { { "tag", fieldName } } +new SolrQueryInList(fieldName, facetQuery.FilterValues.Cast <string>())); options.AddFacets( new SolrFacetFieldQuery(new LocalParams { { "ex", fieldName } } +fieldName)); } else { options.AddFacets((ISolrFacetQuery) new SolrFacetFieldQuery(fieldName) { MinCount = minimumResultCount }); } } if (facetQuery.FieldNames.Count() > 1) { options.AddFacets((ISolrFacetQuery) new SolrFacetPivotQuery() { Fields = (ICollection <string>) new string[1] { string.Join(",", facetQuery.FieldNames) }, MinCount = minimumResultCount }); } } } if (!list2.Any()) { options.Rows = new int?(0); } } } if (compositeQuery.Filter != null) { options.AddFilterQueries((ISolrQuery)compositeQuery.Filter); } options.AddFilterQueries((ISolrQuery) new SolrQueryByField("_indexname", this._context.Index.Name)); if (!this._settings.DefaultLanguage().StartsWith(this._cultureCode)) { options.AddFilterQueries((ISolrQuery) new SolrQueryByField("_language", this._cultureCode + "*") { Quoted = false }); } var loggingSerializer = new SolrLoggingSerializer(); var q = loggingSerializer.SerializeQuery(compositeQuery.Query); var solrSearchIndex = this._context.Index as SolrSearchIndex; try { if (!options.Rows.HasValue) { options.Rows = new int?(this._contentSearchSettings.SearchMaxResults()); } SearchLog.Log.Info("Query - " + q, null); SearchLog.Log.Info( "Serialized Query - ?q=" + q + "&" + string.Join("&", loggingSerializer.GetAllParameters(options).Select(p => string.Format("{0}={1}", p.Key, p.Value)).ToArray()), null); return(this.SolrOperations.Query(q, options)); } catch (Exception ex) { if (!(ex is SolrConnectionException) && !(ex is SolrNetException)) { throw; } else { var message = ex.Message; if (ex.Message.StartsWith("<?xml")) { var xmlDocument = new XmlDocument(); xmlDocument.LoadXml(ex.Message); var xmlNode1 = xmlDocument.SelectSingleNode("/response/lst[@name='error'][1]/str[@name='msg'][1]"); var xmlNode2 = xmlDocument.SelectSingleNode( "/response/lst[@name='responseHeader'][1]/lst[@name='params'][1]/str[@name='q'][1]"); if (xmlNode1 != null && xmlNode2 != null) { SearchLog.Log.Error( string.Format("Solr Error : [\"{0}\"] - Query attempted: [{1}]", xmlNode1.InnerText, xmlNode2.InnerText), null); return(new SolrQueryResults <Dictionary <string, object> >()); } } Log.Error(message, this); return(new SolrQueryResults <Dictionary <string, object> >()); } } }
internal SolrQueryResults <Dictionary <string, object> > Execute(SolrCompositeQuery compositeQuery, Type resultType) { var queryOpertions = new QueryOptions(); if (compositeQuery.Methods != null) { var selectFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Select).Select(m => (SelectMethod)m).ToList(); if (selectFields.Any()) { foreach (var fieldName in selectFields.SelectMany(selectMethod => selectMethod.FieldNames)) { queryOpertions.Fields.Add(fieldName.ToLowerInvariant()); } if (!this.context.SecurityOptions.HasFlag(SearchSecurityOptions.DisableSecurityCheck)) { queryOpertions.Fields.Add(BuiltinFields.UniqueId); queryOpertions.Fields.Add(BuiltinFields.DataSource); } } var getResultsFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.GetResults).Select(m => (GetResultsMethod)m).ToList(); if (getResultsFields.Any()) { if (queryOpertions.Fields.Count > 0) { queryOpertions.Fields.Add("score"); } else { queryOpertions.Fields.Add("*"); queryOpertions.Fields.Add("score"); } } var sortFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.OrderBy).Select(m => ((OrderByMethod)m)).ToList(); if (sortFields.Any()) { foreach (var sortField in sortFields) { var fieldName = sortField.Field; queryOpertions.AddOrder(new SortOrder(fieldName, sortField.SortDirection == SortDirection.Ascending ? Order.ASC : Order.DESC)); } } var skipFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Skip).Select(m => (SkipMethod)m).ToList(); if (skipFields.Any()) { var start = skipFields.Sum(skipMethod => skipMethod.Count); queryOpertions.Start = start; } var takeFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Take).Select(m => (TakeMethod)m).ToList(); if (takeFields.Any()) { var rows = takeFields.Sum(takeMethod => takeMethod.Count); queryOpertions.Rows = rows; } var countFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Count).Select(m => (CountMethod)m).ToList(); if (compositeQuery.Methods.Count == 1 && countFields.Any()) { queryOpertions.Rows = 0; } var anyFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.Any).Select(m => (AnyMethod)m).ToList(); if (compositeQuery.Methods.Count == 1 && anyFields.Any()) { queryOpertions.Rows = 0; } var facetFields = compositeQuery.Methods.Where(m => m.MethodType == QueryMethodType.GetFacets).Select(m => (GetFacetsMethod)m).ToList(); if (compositeQuery.FacetQueries.Count > 0 && (facetFields.Any() || getResultsFields.Any())) { var result = GetFacetsPipeline.Run(this.pipeline, new GetFacetsArgs(null, compositeQuery.FacetQueries, this.context.Index.Configuration.VirtualFieldProcessors, this.context.Index.FieldNameTranslator)); var facetQueries = result.FacetQueries.ToHashSet(); foreach (var facetQuery in facetQueries) { if (!facetQuery.FieldNames.Any()) { continue; } var minCount = facetQuery.MinimumResultCount; if (facetQuery.FieldNames.Count() == 1) { var fn = FieldNameTranslator as SolrFieldNameTranslator; var fieldName = facetQuery.FieldNames.First(); if (fn != null && fieldName == fn.StripKnownExtensions(fieldName) && this.context.Index.Configuration.FieldMap.GetFieldConfiguration(fieldName) == null) { fieldName = fn.GetIndexFieldName(fieldName.Replace("__", "!").Replace("_", " ").Replace("!", "__"), true); } queryOpertions.AddFacets(new SolrFacetFieldQuery(fieldName) { MinCount = minCount }); } if (facetQuery.FieldNames.Count() > 1) { queryOpertions.AddFacets(new SolrFacetPivotQuery { Fields = new[] { string.Join(",", facetQuery.FieldNames) }, MinCount = minCount }); } } if (!getResultsFields.Any()) { queryOpertions.Rows = 0; } } } if (compositeQuery.Filter != null) { queryOpertions.AddFilterQueries(compositeQuery.Filter); } queryOpertions.AddFilterQueries(new SolrQueryByField(BuiltinFields.IndexName, this.context.Index.Name)); if (!Settings.DefaultLanguage.StartsWith(this.cultureCode)) { queryOpertions.AddFilterQueries(new SolrQueryByField(BuiltinFields.Language, this.cultureCode + "*") { Quoted = false }); } var querySerializer = new SolrLoggingSerializer(); var serializedQuery = querySerializer.SerializeQuery(compositeQuery.Query); var idx = this.context.Index as SolrSearchIndex; PrepareHiglightOptions(compositeQuery, queryOpertions); try { if (queryOpertions.Rows == null) { queryOpertions.Rows = this.contentSearchSettings.SearchMaxResults(); } SearchLog.Log.Info("Query - " + serializedQuery); SearchLog.Log.Info("Serialized Query - " + "?q=" + serializedQuery + "&" + string.Join("&", querySerializer.GetAllParameters(queryOpertions).Select(p => string.Format("{0}={1}", p.Key, p.Value)).ToArray())); return(GetOperations(idx).Query(serializedQuery, queryOpertions)); } catch (Exception exception) { if (!(exception is SolrConnectionException) && !(exception is SolrNetException)) { throw; } var message = exception.Message; if (exception.Message.StartsWith("<?xml")) { var doc = new XmlDocument(); doc.LoadXml(exception.Message); var errorNode = doc.SelectSingleNode("/response/lst[@name='error'][1]/str[@name='msg'][1]"); var queryNode = doc.SelectSingleNode("/response/lst[@name='responseHeader'][1]/lst[@name='params'][1]/str[@name='q'][1]"); if (errorNode != null && queryNode != null) { message = string.Format("Solr Error : [\"{0}\"] - Query attempted: [{1}]", errorNode.InnerText, queryNode.InnerText); SearchLog.Log.Error(message); return(new SolrQueryResults <Dictionary <string, object> >()); } } Log.Error(message, this); return(new SolrQueryResults <Dictionary <string, object> >()); } }
/// <summary> /// 根据搜索关键词和排序、筛选条件获取(第N页数据)检索数据 /// </summary> /// <param name="keyword">搜索关键词</param> /// <param name="sort">排序条件:1.新品排序 2.价格升序 3.价格降序 4.折扣升序</param> /// <param name="brands">筛选品牌:e.g. ["华为","小米","iphone"]</param> /// <returns>检索结果集合</returns> public SolrQueryResults <ProductSearchModel> GetProductListByOptionsAndPageIndex(string keyword, int sort, string brands, int pageIndex, int pageSize) { //创建solr对象 ISolrOperations <ProductSearchModel> solr = ServiceLocator.Current.GetInstance <ISolrOperations <ProductSearchModel> >(); //判断参数是否为空or所有 if (!string.IsNullOrEmpty(keyword) && keyword.Trim() != "*") { keyword = keyword.Trim().Replace(@"\", " "); keyword = StringVerify.StringToPattern(keyword);//转义这些Solr特殊字符 + - && || ! ( ) { } [ ] ^ ” ~ * ? : \ //string[] keywords = keyword.Split(' '); //创建条件集合 QueryOptions options = new QueryOptions(); options.Rows = pageSize; options.Start = pageSize * (pageIndex - 1); List <ISolrQuery> query = new List <ISolrQuery>(); //构建OR关系条件 List <ISolrQuery> keyOr = new List <ISolrQuery>(); //if (keywords.Length > 0) //{ // foreach (var k in keywords) // { // if (!string.IsNullOrEmpty(k.Trim())) // { // keyOr.Add(new SolrQuery("Name_IK:" + k)); // keyOr.Add(new SolrQuery("searchText:" + k)); // } // } //} //else //{ // keyword=keyword.Replace(" ", ""); // keyOr.Add(new SolrQuery("Name_IK:" +keywords)); // keyOr.Add(new SolrQuery("searchText:" + keywords)); //} keyOr.Add(new SolrQuery("Name_IK:" + keyword)); keyOr.Add(new SolrQuery("searchText:" + keyword)); var ko = new SolrMultipleCriteriaQuery(keyOr, "OR"); query.Add(ko); //排序条件 switch (sort) { case 1: //设定查询结果的排序,按照上架时间降序.[2016.7.20修改需求,上新排序改为默认的权重排序] //options.AddOrder(new SolrNet.SortOrder("OnSaleTime", SolrNet.Order.DESC)); break; case 2: //按照打折后的价格升序. options.AddOrder(new SolrNet.SortOrder("DiscountPrice", SolrNet.Order.ASC)); break; case 3: //按照打折后的价格降序. options.AddOrder(new SolrNet.SortOrder("DiscountPrice", SolrNet.Order.DESC)); break; case 4: //按照折扣升序.(1折、2折、3折...10折) options.AddOrder(new SolrNet.SortOrder("DiscountRate", SolrNet.Order.ASC)); break; default: break; } //品牌筛选 SolrQueryResults <ProductSearchModel> products; if (brands != "") { var blist = JsonHelper.ToObject <List <string> >(brands); //品牌筛选(&&操作)由于传过来的值肯定都是完整的品牌名称 //所以不用去Brand_IK中检索,而是直接去Brank中匹配 //构建OR关系条件 List <ISolrQuery> brandOr = new List <ISolrQuery>(); for (int i = 0; i < blist.Count; i++) { blist[i] = StringVerify.StringToPattern(blist[i]);//转义这些Solr特殊字符 + - && || ! ( ) { } [ ] ^ ” ~ * ? : \ brandOr.Add(new SolrQuery("Brand:" + blist[i])); } //foreach (var brand in blist) //{ // brandOr.Add(new SolrQuery("Brand:" + brand)); //} var bo = new SolrMultipleCriteriaQuery(brandOr, "OR"); query.Add(bo); //最终跟Query主条件进行构建 AND 关系条件 var querys = new SolrMultipleCriteriaQuery(query, "AND"); products = solr.Query(querys, options); } else { //输入关键词,检索数据,顺便给品牌分组,返回品牌数组 var facet = new FacetParameters { Queries = new[] { new SolrFacetFieldQuery("Brand") } }; options.Facet = facet; products = solr.Query(ko, options); } return(products); } return(null); }