Lucene索引文件示例

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package iLucene;import java.io.File;import java.io.FileNotFoundException;import java.io.IOException;import java.util.Date;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.demo.FileDocument;import org.apache.lucene.index.CorruptIndexException;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.store.FSDirectory;import org.apache.lucene.util.Version;/** * 索引某一目录下的所有文本文件 *  * @author wujinsong */public class IndexFiles {    private IndexFiles() {    }        static final File INDEX_DIR = new File("c:\\index");        public static void main(String[] args) {                if (INDEX_DIR.exists()) {            System.out.println("Cannot save index to '" + INDEX_DIR + " ' directory,please delete it first");            System.exit(1);        }                final File docDir = new File("C:\\kankan");        if (!docDir.exists() || !docDir.canRead()) {            System.out.println("Document directory '" + docDir.getAbsolutePath() + "' does not exist or is not readable, please check the path");            System.exit(1);        }                Date start = new Date();        try {            IndexWriter writer = new IndexWriter(FSDirectory.open(INDEX_DIR), new StandardAnalyzer(Version.LUCENE_CURRENT), true,                    IndexWriter.MaxFieldLength.LIMITED);            System.out.println("Indexing to directory '" + INDEX_DIR + "'...");            indexDocs(writer, docDir);            System.out.println("Optimizing...");            writer.optimize();            writer.close();                        Date end = new Date();            System.out.println(end.getTime() - start.getTime() + " total milliseconds!");        }        catch (IOException e) {            System.out.println(" caught a " + e.getClass() + "\n with message: " + e.getMessage());        }    }        /**     * 索引文件     *      * @param writer     * @param file     * @throws CorruptIndexException     * @throws IOException     */    static void indexDocs(IndexWriter writer, File file) throws CorruptIndexException, IOException {        // 不要试图索引不可读的文件        if (file.canRead()) {            if (file.isDirectory()) {                String[] files = file.list();                // 一个IO错误可能发生                if (files != null) {                    for (int i = 0; i < files.length; i++) {                        indexDocs(writer, new File(file, files[i]));                    }                }            }            else {                System.out.println("adding " + file);                try {                    writer.addDocument(FileDocument.Document(file));                }                // 至少在windows系统，一些临时文件会导致“访问拒绝”异常，检查文件是否可以被读取将不起作用。                catch (FileNotFoundException exception) {                                    }            }        }    }}
可以从https://github.com/iswu2013/iLucene/ 上获取代码！
转载请注明出去！
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