学步园

Java代码  

1. package lucene;   
2.   
3. import org.apache.lucene.analysis.standard.StandardAnalyzer;   
4. import org.apache.lucene.document.Document;   
5. import org.apache.lucene.document.Field;   
6. import org.apache.lucene.index.IndexWriter;   
7. import org.apache.lucene.queryParser.QueryParser;   
8. import org.apache.lucene.search.Hits;   
9. import org.apache.lucene.search.IndexSearcher;   
10. import org.apache.lucene.search.Query;   
11. import org.apache.lucene.store.FSDirectory;   
12.   
13. public class FSDirectoryTest {   
14.   
15.     //建立索引的路径      
16.     public static final String path = "f://index2";   
17.   
18.     public static void main(String[] args) throws Exception {   
19.         Document doc1 = new Document();   
20.         doc1.add(new Field("name", "lighter javaeye com", Field.Store.YES, Field.Index.TOKENIZED));   
21.   
22.         Document doc2 = new Document();   
23.         doc2.add(new Field("name", "lighter blog", Field.Store.YES, Field.Index.TOKENIZED));   
24.   
25.         IndexWriter writer = new IndexWriter(FSDirectory.getDirectory(path, true), new StandardAnalyzer(), true);   
26.         writer.setMaxFieldLength(3);   
27.         writer.addDocument(doc1);   
28.         writer.setMaxFieldLength(3);   
29.         writer.addDocument(doc2);   
30.         writer.close();   
31.   
32.         IndexSearcher searcher = new IndexSearcher(path);   
33.         Hits hits = null;   
34.         Query query = null;   
35.         QueryParser qp = new QueryParser("name", new StandardAnalyzer());   
36.   
37.         query = qp.parse("lighter");   
38.         hits = searcher.search(query);   
39.         System.out.println("查找/"lighter/" 共" + hits.length() + "个结果");   
40.   
41.         Document doc = null;   
42.         for (int i = 0; i < hits.length(); i++) {   
43.             doc = hits.doc(i);   
44.             System.out.println(doc.get("name"));   
45.             doc = null;   
46.         }   
47.   
48.         query = qp.parse("javaeye");   
49.         hits = searcher.search(query);   
50.         System.out.println("查找/"javaeye/" 共" + hits.length() + "个结果");   
51.   
52.     }   
53.   
54. }  

package lucene;

import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.store.FSDirectory;

public class FSDirectoryTest {

	//建立索引的路径   
	public static final String path = "f://index2";

	public static void main(String[] args) throws Exception {
		Document doc1 = new Document();
		doc1.add(new Field("name", "lighter javaeye com", Field.Store.YES, Field.Index.TOKENIZED));

		Document doc2 = new Document();
		doc2.add(new Field("name", "lighter blog", Field.Store.YES, Field.Index.TOKENIZED));

		IndexWriter writer = new IndexWriter(FSDirectory.getDirectory(path, true), new StandardAnalyzer(), true);
		writer.setMaxFieldLength(3);
		writer.addDocument(doc1);
		writer.setMaxFieldLength(3);
		writer.addDocument(doc2);
		writer.close();

		IndexSearcher searcher = new IndexSearcher(path);
		Hits hits = null;
		Query query = null;
		QueryParser qp = new QueryParser("name", new StandardAnalyzer());

		query = qp.parse("lighter");
		hits = searcher.search(query);
		System.out.println("查找/"lighter/" 共" + hits.length() + "个结果");

		Document doc = null;
		for (int i = 0; i < hits.length(); i++) {
			doc = hits.doc(i);
			System.out.println(doc.get("name"));
			doc = null;
		}

		query = qp.parse("javaeye");
		hits = searcher.search(query);
		System.out.println("查找/"javaeye/" 共" + hits.length() + "个结果");

	}

}

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