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);
}
