private IndexWriter InitIndex(Func <IConcurrentMergeScheduler> newScheduler, Random random, MockDirectoryWrapper dir, bool initialCommit)
{
dir.SetLockFactory(NoLockFactory.GetNoLockFactory());
IndexWriter writer = new IndexWriter(dir,
NewIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))
.SetMaxBufferedDocs(10)
.SetMergeScheduler(newScheduler()));
IConcurrentMergeScheduler scheduler = writer.Config.MergeScheduler as IConcurrentMergeScheduler;
if (scheduler != null)
{
scheduler.SetSuppressExceptions();
}
if (initialCommit)
{
writer.Commit();
}
Document doc = new Document();
doc.Add(NewTextField("content", "aaa", Field.Store.NO));
doc.Add(NewTextField("id", "0", Field.Store.NO));
for (int i = 0; i < 157; i++)
{
writer.AddDocument(doc);
}
return(writer);
}
public static List <int> Search(string key)
{
if (string.IsNullOrEmpty(key))
{
return(null);
}
key = key.Trim().ToLower();
var rs = new List <int>();
try
{
var indexDir = Path.Combine(System.IO.Directory.GetCurrentDirectory(), "lucene");
var VERSION = Lucene.Net.Util.LuceneVersion.LUCENE_48;
if (System.IO.Directory.Exists(indexDir) == true)
{
var reader = DirectoryReader.Open(FSDirectory.Open(new DirectoryInfo(indexDir)));
var search = new IndexSearcher(reader);
var directory = FSDirectory.Open(new DirectoryInfo(indexDir), NoLockFactory.GetNoLockFactory());
var reader2 = DirectoryReader.Open(directory);
var search2 = new IndexSearcher(reader2);
//var parser = new QueryParser(VERSION, "title", new JieBaAnalyzer(TokenizerMode.Search));
var booleanQuery = new BooleanQuery();
var list = CutKeyWord(key);
foreach (var word in list)
{
var query1 = new TermQuery(new Term("title", word));
var query2 = new TermQuery(new Term("summary", word));
booleanQuery.Add(query1, Occur.SHOULD);
booleanQuery.Add(query2, Occur.SHOULD);
}
var collector = TopScoreDocCollector.Create(1000, true);
search2.Search(booleanQuery, null, collector);
var docs = collector.GetTopDocs(0, collector.TotalHits).ScoreDocs;
foreach (var d in docs)
{
var num = d.Doc;
var document = search.Doc(num);// 拿到指定的文档
var articleId = document.Get("articleId");
//var name = document.Get("title");
if (int.TryParse(articleId, out int mid) == true)
{
rs.Add(mid);
}
}
}
}
catch (Exception ex)
{
Console.WriteLine($"SearchMerchs ex={ex}");
}
return(rs);
}
