import org.apache.lucene.search.TopDocCollector;

import org.apache.lucene.store.Directory;

import org.apache.lucene.store.FSDirectory;

public class TestQueryParser {

public static void main(String[] args) throws IOException, ParseException {

Analyzer analyzer = new PaodingAnalyzer();

String indexDir = "E:/luceneindex";

Directory dir = FSDirectory.getDirectory(indexDir);

IndexSearcher searcher = new IndexSearcher(dir);

ScoreDoc[] hits = null;

QueryParser parser = new QueryParser("address", analyzer); //name为默认字段检索

Query query = parser.parse("北京");

//Query query = parser.parse("birthday:[19820720 TO 19840203]"); //中括号包含首尾，花括号不包含。TO指范围

//Query query = parser.parse("张~"); //前缀检索

//Query query = parser.parse("上海 北京");

//Query query = parser.parse("(居住 or 北京) and 海淀");

//Query query = parser.parse("上海 北京 AND NOT name:李四");

//Query query = parser.parse("name:李*"); //前缀检索

TopDocCollector topdoc = new TopDocCollector(100);

searcher.search(query, topdoc);

hits = topdoc.topDocs().scoreDocs;

for(int i = 0; i < hits.length; i++){

Document doc = searcher.doc(hits[i].doc);

//System.out.println(hits[i].score);

System.out.print(doc.get("id") + " ");

System.out.print(doc.get("name") + " ");

System.out.print(doc.get("address") + " ");

System.out.println(doc.get("birthday") + " ");

}

searcher.close();

dir.close();

}

}

下面我们来学习Paoding对文件的索引

[java]

package com.qianyan.file;

import java.io.BufferedReader;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStreamReader;

import net.paoding.analysis.analyzer.PaodingAnalyzer;

import org.apache.lucene.analysis.Analyzer;

import org.apache.lucene.document.Document;

import org.apache.lucene.document.Field;

import org.apache.lucene.index.IndexWriter;

import org.apache.lucene.store.Directory;

import org.apache.lucene.store.FSDirectory;

public class TestFileIndex {

public static void main(String[] args) throws IOException {

String dataDir = "E:\\lucenedata";

String indexDir = "E:\\luceneindex";

File[] files = new File(dataDir).listFiles();

Analyzer analyzer = new PaodingAnalyzer();

Directory dir = FSDirectory.getDirectory(indexDir);

IndexWriter writer = new IndexWriter(dir, analyzer, true, IndexWriter.MaxFieldLength.UNLIMITED);

for(int i = 0; i < files.length; i++){

StringBuffer strBuffer = new StringBuffer();

String line = "";

FileInputStream fs = new FileInputStream(files[i].getCanonicalPath());

BufferedReader reader = new BufferedReader(new InputStreamReader(fs));

line = reader.readLine();

while(null != line){

strBuffer.append(line).append("\n");

line = reader.readLine();

}

Document document = new Document();