Shulou(Shulou.com)05/31 Report--

In this issue, the editor will bring you a simple search about Lucene. The article is rich in content and analyzes and narrates it from a professional point of view. I hope you can get something after reading this article.

First of all, we will explain several basic properties and methods of Lucene.

Attributes:

TotalHits-the number of documents that match the search criteria

ScoreDocs []-an array of ScoreDoc objects containing search results

Methods:

GetMaxScore---- returns the maximum score if it has finished sorting (when passing and sorting, the program needs to control whether the field is scored or not calculated separately).

Package lab02;import java.io.File;import java.io.IOException;import org.apache.lucene.document.Document;import org.apache.lucene.index.IndexReader;import org.apache.lucene.index.Term;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.Query;import org.apache.lucene.search.TermQuery;import org.apache.lucene.search.TopDocs;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory Public class BasicSearchTest {/ * @ author Owater * @ param args * / public static void main (String [] args) throws IOException {/ / TODO Auto-generated method stub String indexDir = "E:/MyEclipse/Lucene/lab02/index" / / Open the index Directory dir = FSDirectory.open (new File (indexDir)) in the specified directory; IndexReader reader = IndexReader.open (dir); / / display all the documents in the index System.out.println ("document list in the index:"); for (int item0

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