2lucene如何创建一个索引
根据前面的那个例子，写出如下创建索引的例子，搞了老半天能，
3.0的和3.1.0的居然也那么的不一样。。。
先放着，以后备用
import java.io.File;import java.io.IOException;import org.apache.lucene.analysis.Analyzer;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.index.CorruptIndexException;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.index.IndexWriterConfig;import org.apache.lucene.index.IndexWriterConfig.OpenMode;import org.apache.lucene.store.Directory;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.store.LockObtainFailedException;import org.apache.lucene.util.Version;public class LuceneTest {String docsPath = null; //文件位置String indexPath =null; //索引位置public static void main(String[] args) {LuceneTest test = new LuceneTest();try {test.index();} catch (CorruptIndexException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (LockObtainFailedException e) {// TODO Auto-generated catch blocke.printStackTrace();} catch (IOException e) {// TODO Auto-generated catch blocke.printStackTrace();}}/** * 先创立索引 * @throws IOException * @throws LockObtainFailedException * @throws CorruptIndexException */public void index() throws CorruptIndexException, LockObtainFailedException, IOException{docsPath="F:\\Search engine\\搜索引擎\\lucene-3.1.0-src\\lucene-3.1.0\\contrib\\analyzers\\common\\readm.txt";indexPath="D:\\mywork\\LuceneTest\\lucenedic";if(docsPath==null){System.err.println("docsPath为空");System.exit(1);}File docDir = new File(docsPath);Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_31);Directory dir = FSDirectory.open(new File(indexPath));IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_31, analyzer);/*IndexWriter indexWriter1 = new IndexWriter(dir,new IndexWriterConfig(Version.LUCENE_31,new WhitespaceAnalyzer(Version.LUCENE_31)));*/iwc.setOpenMode(OpenMode.CREATE_OR_APPEND);IndexWriter indexWriter = new IndexWriter(dir,iwc);Document doc = new Document();Field pathField = new Field("path",docDir.getPath(),Field.Store.YES,Field.Index.NOT_ANALYZED_NO_NORMS);pathField.setOmitTermFreqAndPositions(true);doc.add(pathField);indexWriter.addDocument(doc);indexWriter.close();}}