A simple example about full-text search based Java:Lucene

索引源代码：

package lUCene;

/**

* <p>Title: </p>

* <p>Description: </p>

* <p>Copyright: Copyright (c) 2003</p>

* <p>Company: </p>

* @author Shirley

* @version 1.0

*/

import org.apache.lucene.index.*;

import org.apache.lucene.analysis.*;

import Java.io.*;

import org.apache.lucene.document.*;

public class IndexFiles {

//使用方法：: IndexFiles [索引输出目录] [索引的文件列表] ...

public static void main(String[] arg) throws Exception {

String[] args = new String[2];

//索引后存放索引信息的路径

args[0] = System.getProperty("java.io.tmpdir", "tmp") + System.getProperty("file.separator") + "index-1";

//待索引文件

args[1] = "E:\\AppWork\\lucene\\rfc2047.txt";

args[2] = "E:\\AppWork\\cyberOffice\\CO\\Sheldon Java Mail.htm";

args[3] = "E:\\AppWork\\lucene\\englishtest.doc";

args[4] = "E:\\AppWork\\cyberoffice\\CO\\xls1.xls";

args[5] = "E:\\AppWork\\cyberoffice\\CO\\ppt1.ppt";

String indeXPath = args[0];

IndexWriter writer;

//用指定的语言分析器构造一个新的写索引器（第3个参数表示是否为追加索引）

writer = new IndexWriter(indexPath, new SimpleAnalyzer(), false);

for (int i=1; i<args.length; i++) {

System.out.println("Indexing file " + args[i]);

InputStream is = new FileInputStream(args[i]);

//构造包含2个字段Field的Document对象

//一个是路径path字段，不索引，只存储

//一个是内容body字段，进行全文索引，并存储

Document doc = new Document();

doc.add(Field.UnIndexed("path", args[i]));

doc.add(Field.Text("body", (Reader) new InputStreamReader(is)));

//将文档写入索引