lucene3.0 CRUD实例（一）
鉴于网上Lucene3.0的操作介绍不够全面具体、特整理如下供大家参考
各位有好建议可共享！
创建、更新、查询索引 CRUDIndex.java
package com.wj.lucene;import java.io.File;import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;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.index.Term;import org.apache.lucene.queryParser.QueryParser;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.Query;import org.apache.lucene.search.ScoreDoc;import org.apache.lucene.search.TopDocs;import org.apache.lucene.store.Directory;import org.apache.lucene.store.SimpleFSDirectory;import org.apache.lucene.util.Version;/** * Lucene3.0 CRUD操作 * 更能如下： * 添加、追加、更新、查询所有、根据特定字符串查询 * * @author jcom * @date 2010-9-28 * */public class CRUDIndex{private static final Log LOGGER = LogFactory.getLog(CRUDIndex.class);private static String path = "c:/index";private static Directory dir = null;public static void main(String[] args) throws Exception{dir = new SimpleFSDirectory(new File(path)); //添加查询addIndex();search("张三");//更新后再查询updateIndex();search("张三");search("王五");}/** * 向索引中添加一条数据 */public static void addIndex(){System.out.println("添加开始--------------");try{/** * 创建IndexWriter对象, * 第一个参数是Directory, * 第二个是分词器, * 第三个表示是否是创建, 如果为false为在此基础上面修改, * 第四表示表示分词的最大值，比如说new MaxFieldLength(2)，就表示两个字一分，一般用IndexWriter.MaxFieldLength.LIMITED */IndexWriter write = new IndexWriter(dir, new StandardAnalyzer(Version.LUCENE_30), true,IndexWriter.MaxFieldLength.UNLIMITED);Document doc = new Document();doc.add(new Field("id", "123456", Field.Store.YES,Field.Index.NOT_ANALYZED));doc.add(new Field("userName", "张三", Field.Store.YES,Field.Index.ANALYZED));doc.add(new Field("comefrom", "北京", Field.Store.YES,Field.Index.ANALYZED));write.addDocument(doc);write.commit();write.close();} catch (Exception e){LOGGER.info(e.getMessage());}System.out.println("添加结束--------------\n");} 1 楼 tomfish88 2010-11-02 doc.add(new Field("id", "123456", Field.Store.YES,