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lucene简单实例
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寫文章的時候,感覺比較難寫的就是標題,有時候不知道起什么名字好,反正這里寫的都是關于lucene的一些簡單的實例,就隨便起啦.?
Java代碼?
package ?lighter.javaeye.com;???? import ?java.io.IOException;??import ?java.io.StringReader;???? import ?org.apache.lucene.analysis.Analyzer;??import ?org.apache.lucene.analysis.Token;??import ?org.apache.lucene.analysis.TokenStream;??import ?org.apache.lucene.analysis.standard.StandardAnalyzer;???? public ?class ?StandardAnalyzerTest???{?? ?????? ????public ?StandardAnalyzerTest()?? ????{?? ????}?? ????public ?static ?void ?main(String[]?args)??? ????{?? ?????????? ????????Analyzer?aAnalyzer?=?new ?StandardAnalyzer();?? ?????????? ????????StringReader?sr?=?new ?StringReader("lighter?javaeye?com?is?the?are?on" );?? ?????????? ????????TokenStream?ts?=?aAnalyzer.tokenStream("name" ,?sr);??? ????????try ?{?? ????????????int ?i=0 ;?? ????????????Token?t?=?ts.next();?? ????????????while (t!=null )?? ????????????{?? ?????????????????? ????????????????i++;?? ?????????????????? ????????????????System.out.println("第" +i+"行:" +t.termText());?? ?????????????????? ????????????????t=ts.next();?? ????????????}?? ????????}?catch ?(IOException?e)?{?? ????????????e.printStackTrace();?? ????????}?? ????}?? }??
引用
第1行:lighter?
第2行:javaeye?
第3行:com
Java代碼?
package ?lighter.javaeye.com;??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?{???? ?????? ????public ?static ?final ?String?path?=?"c://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()?+?"個結果" );?? ?? ????????query?=?qp.parse("javaeye" );?? ????????hits?=?searcher.search(query);?? ????????System.out.println("查找/"javaeye/"?共" ?+?hits.length()?+?"個結果" );?? ?? ????}?? ?? }??
Java代碼?
查找"lighter" ?共2 個結果?? 查找"javaeye" ?共1 個結果??
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