搜索Lucene索引

Question

我正在使用Lucene.Net版本2.3.2.1。当我调用index（）方法时，它将索引C：\ Index中的文档。但是当我调用SearchLucene（）方法时，什么都没有出来。

这里是我的索引（）和SearchLucene（）方法：

public void Index(string strHash, string filePath, string encryptedPath, string password, string fileName) 
{ 
    string indexFileLocation = @"C:\Index"; 
    Lucene.Net.Store.Directory dir = 
     Lucene.Net.Store.FSDirectory.GetDirectory(indexFileLocation, false); 

    //create an analyzer to process the text 
    Lucene.Net.Analysis.Analyzer analyzer = new 
    Lucene.Net.Analysis.Standard.StandardAnalyzer(); 

    //create the index writer with the directory and analyzer defined. 
    Lucene.Net.Index.IndexWriter indexWriter = new 
    Lucene.Net.Index.IndexWriter(dir, analyzer);/*true to create a new index*/ 

    //create a document, add in a single field 
    Lucene.Net.Documents.Document doc = new Lucene.Net.Documents.Document(); 

    doc.Add(new Field("keywordHash", strHash, Field.Store.YES, Field.Index.TOKENIZED)); 
    doc.Add(new Field("keywordPath", filePath, Field.Store.YES, Field.Index.NO)); 
    doc.Add(new Field("keywordEncPath", encryptedPath, Field.Store.YES, Field.Index.TOKENIZED)); 
    doc.Add(new Field("keywordPassword", password, Field.Store.YES, Field.Index.TOKENIZED)); 
    //doc.Add(new Field("keywordEncryptedFile", encryptedFile, Field.Store.YES, Field.Index.ANALYZED)); 
    doc.Add(new Field("keywordFileName", fileName, Field.Store.YES, Field.Index.NO)); 


    //write the document to the index 
    indexWriter.AddDocument(doc); 

    //optimize and close the writer 
    indexWriter.Optimize(); 
    indexWriter.Close(); 


} 


public void LuceneSearch() 
{ 
    HashAlg hashAlg = new HashAlg(); 
    string keywordLower = tbSearchEnc.Text.ToLower(); 
    string keywordHash; 

    if (rbMD5Search.Checked == true) 
    { 
     keywordHash = hashAlg.GenerateHashMD5(keywordLower); 
    } 
    else 
    { 
     keywordHash = hashAlg.GenerateHashSHA1(keywordLower); 
    } 

    string indexFileLocation = @"C:\Index"; 
    //Lucene.Net.Store.Directory dir = Lucene.Net.Store.FSDirectory.GetDirectory(indexFileLocation, false); 
    //Lucene.Net.Analysis.Analyzer analyzer = new Lucene.Net.Analysis.Standard.StandardAnalyzer(); 
    Lucene.Net.Search.IndexSearcher searcher = new Lucene.Net.Search.IndexSearcher(indexFileLocation); 
    //create an index searcher that will perform the search 
    //Lucene.Net.Search.IndexSearcher searcher = new Lucene.Net.Search.IndexSearcher(dir); 

    //build a query object 
    //Query query = new TermQuery(new Term("keywordHash", keywordHash)); 
    Lucene.Net.Index.Term searchTerm = new Lucene.Net.Index.Term("keywordHash", keywordHash); 
    Lucene.Net.Search.Query query = new Lucene.Net.Search.TermQuery(searchTerm); 

    //execute the query 
    Lucene.Net.Search.Hits hits = searcher.Search(query); 
    int result = hits.Length(); 
    //iterate over the results. 
    for (int i = 0; i < result; i++) 
    { 
     Document doc = hits.Doc(i); 
     string hashValue = doc.Get("keywordHash"); 
     Console.WriteLine(hashValue); 
     string path = doc.Get("keywordPath"); 
     Console.WriteLine(path); 
     string encPath = doc.Get("keywordEncPath"); 
     Console.WriteLine(encPath); 
     string fileName = doc.Get("keywordFileName"); 
     Console.WriteLine(fileName); 

     listBoxSearch.Items.Add(encPath); 
     Console.WriteLine(hashValue + " " + path + " " + encPath + " " + fileName); 

    } 
} 

Answer 1

我认为你需要调用IndexWriter.Commit()，你可能，除非你有一些特殊的要求，不应该与Optimize()方法麻烦。