Lucene建立索引

package com;

import java.io.File;

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;
import org.wltea.analyzer.lucene.IKAnalyzer;

public class Index {


	public static void main(String[] args) {
		// Lucene Document的域名
		String fieldName = "discript";
		// 检索内容
		String text = "是一个好人民，住在地球村，拥有别墅，花园。";

		// 实例化IKAnalyzer分词器
		Analyzer analyzer = new IKAnalyzer();

		Directory directory = null;
		IndexWriter iwriter = null;
		File file = new File("C:/commFile/lucence");
		try {

			directory = FSDirectory.open(file);
			iwriter = new IndexWriter(directory,analyzer,true,IndexWriter.MaxFieldLength.LIMITED);
			//建立文档
			Document doc = new Document();
			doc.add(new Field(fieldName, text, Field.Store.YES,Field.Index.ANALYZED));
			doc.add(new Field("name", "anay", Field.Store.YES,Field.Index.ANALYZED));

			Document doc2 = new Document();
			doc2.add(new Field(fieldName, "中国人民", Field.Store.YES,Field.Index.ANALYZED));
			doc2.add(new Field("name", "国家", Field.Store.YES,Field.Index.ANALYZED));

			Document doc3 = new Document();
			doc3.add(new Field(fieldName, "要作主", Field.Store.YES,Field.Index.ANALYZED));
			doc3.add(new Field("name", "人民要作主", Field.Store.YES,Field.Index.ANALYZED));

			iwriter.addDocument(doc3);
			iwriter.addDocument(doc2);
			iwriter.addDocument(doc);
			// 索引优化
			iwriter.optimize();
			iwriter.close();

		}catch(Exception e ){
			e.printStackTrace();
		}
	}
}