public void Edit(LuceneModel model)
{
model.Action = LuceneType.Modify;
_luceneModels.Enqueue(model);
}
public void Add(LuceneModel model)
{
model.Action = LuceneType.Insert;
_luceneModels.Enqueue(model);
}
public void Delete(int id,int type)
{
var model = new LuceneModel {ID = id, Type = type};
model.Action = LuceneType.Delete;
_luceneModels.Enqueue(model);
}
public List<LuceneModel> SearchFromIndexData(string q)
{
string keyword = q;
var directory = FSDirectory.Open(new DirectoryInfo(LucenePath), new NoLockFactory());
var reader = IndexReader.Open(directory, true);
var searcher = new IndexSearcher(reader);
////--------------------------------------这里配置搜索条件
////PhraseQuery query = new PhraseQuery();
////foreach(string word in Common.SplitContent.SplitWords(Request.QueryString["SearchKey"])) {
//// query.Add(new Term("content", word));//这里是 and关系
////}
////query.SetSlop(100);
////关键词Or关系设置
//var queryOr = new BooleanQuery();
//TermQuery query;
//foreach (var word in SplitContent.SplitWords(keyword))
//{
// query = new TermQuery(new Term("title", word));
// queryOr.Add(query, BooleanClause.Occur.SHOULD);//这里设置 条件为Or关系
//}
////--------------------------------------
//var collector = TopScoreDocCollector.create(1000, true);
////searcher.Search(query, null, collector);
//searcher.Search(queryOr, null, collector);
q = SplitContent.SplitWords(q, new PanGuTokenizer());
var queryParser = new QueryParser("content", new PanGuAnalyzer(true));
var query = queryParser.Parse(q);
var titleQueryParser = new QueryParser("title", new PanGuAnalyzer(true));
var titleQuery = titleQueryParser.Parse(q);
var bq = new BooleanQuery();
bq.Add(query, BooleanClause.Occur.SHOULD);
bq.Add(titleQuery, BooleanClause.Occur.SHOULD);
var collector = TopScoreDocCollector.create(1000, true);
searcher.Search(bq, null, collector);
var totalCount = collector.GetTotalHits();//返回总条数
var docs = collector.TopDocs(0, 10).scoreDocs;//取前十条数据 可以通过它实现LuceneNet搜索结果分页
var result = new List<LuceneModel>();
for (int i = 0; i < docs.Length; i++)
{
var docId = docs[i].doc;
var doc = searcher.Doc(docId);
var model = new LuceneModel();
model.Content = doc.Get("content");
model.HightLightContent = SplitContent.HightLight(keyword, doc.Get("content"));
model.Title = doc.Get("title");
model.HightLightTitle = SplitContent.HightLight(keyword, doc.Get("title"));
model.ID = Convert.ToInt32(doc.Get("id"));
result.Add(model);
}
return result;
}
