lucene 中一个Filed中包含多值的范围查询

直接上代码：

package tools.lucene;

import java.io.File;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.PerFieldAnalyzerWrapper;
import org.apache.lucene.analysis.WhitespaceAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.NumericField;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.FSDirectory;
import org.wltea.analyzer.lucene.IKAnalyzer;

public class LuceneIndexWriter {
	
	public static String index_path="D:\\ix";
	public static String index_path2="D:\\ix2";
	public static void main(String[]args) throws Exception{
		
		
		 
		createMultiValueIndex();
		//createIndex(); 
		//词范围查询，但需要将价格字符串格式化，按位数对此，前面补0
		//TermRangeQuery  trquery  = new TermRangeQuery("price", "088", "100",true, true);
		//按数字类型范围查询
		Query trquery  = NumericRangeQuery.newIntRange("price", 1, 99,true, true);
		
		//IndexReader  indexReader = IndexReader.open(FSDirectory.open(new File(index_path)));
		IndexReader  indexReader = IndexReader.open(FSDirectory.open(new File(index_path2)));
		
		Searcher  searcher = new IndexSearcher(indexReader);
		
		TopDocs topDocs = searcher.search(trquery,100);
		
		for (ScoreDoc hits:topDocs.scoreDocs){
			
			Document doc = searcher.doc(hits.doc);
			System.out.println("doc = "+doc.getValues("price"));
			
		}
		

		
	}
	/**
	 * document包含多个同名price Filed
	 */
	private static void createMultiValueIndex() {
		Analyzer  analyzer = new IKAnalyzer();
		PerFieldAnalyzerWrapper  perFieldAnalyzerWrapper = new PerFieldAnalyzerWrapper(analyzer);
		try {
			
			//perFieldAnalyzerWrapper.addAnalyzer("price", new WhitespaceAnalyzer());
			IndexWriter writer = new IndexWriter(FSDirectory.open(new File(index_path2)), perFieldAnalyzerWrapper, true,IndexWriter.MaxFieldLength.LIMITED);
			Document doc  = new Document();000
			doc.add(new Field("hotelName", "test2", Field.Store.YES, Field.Index.ANALYZED));

			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(100));
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(200));
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(300));
			writer.addDocument(doc);
			doc  = new Document();
			doc.add(new Field("hotelName", "test3", Field.Store.YES, Field.Index.ANALYZED));
                            //增加多个同名字段(price)
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(99));
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(213));
			writer.addDocument(doc);
			
			
			doc  = new Document();
			doc.add(new Field("hotelName", "test1", Field.Store.YES, Field.Index.ANALYZED));
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(400));
			doc.add(new NumericField("price", Field.Store.YES, true).setIntValue(200));
			writer.addDocument(doc);
			
		
			
			writer.close();
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	/**
	 * price中价格按照空格分隔，保存到一个field
	 */
	private static void createIndex() {
		Analyzer  analyzer = new IKAnalyzer();
		PerFieldAnalyzerWrapper  perFieldAnalyzerWrapper = new PerFieldAnalyzerWrapper(analyzer);
		try {
			
			perFieldAnalyzerWrapper.addAnalyzer("price", new WhitespaceAnalyzer());
			IndexWriter writer = new IndexWriter(FSDirectory.open(new File(index_path)), perFieldAnalyzerWrapper, true,IndexWriter.MaxFieldLength.LIMITED);
			Document doc  = new Document();
			doc.add(new Field("hotelName", "test2", Field.Store.YES, Field.Index.ANALYZED));
			doc.add(new Field("price", "100 200 300", Field.Store.YES, Field.Index.ANALYZED));
			writer.addDocument(doc);
			
			doc  = new Document();
			doc.add(new Field("hotelName", "test1", Field.Store.YES, Field.Index.ANALYZED));
			doc.add(new Field("price", "400 500", Field.Store.YES, Field.Index.ANALYZED));
			writer.addDocument(doc);
			
			doc  = new Document();
			doc.add(new Field("hotelName", "test8", Field.Store.YES, Field.Index.ANALYZED));
                             //price字段以空格分隔，使用WhitespaceAnalyzer分词
			doc.add(new Field("price", "213 588 099 ", Field.Store.YES, Field.Index.ANALYZED));
			writer.addDocument(doc);
			
			doc  = new Document();
			doc.add(new Field("hotelName", "test3", Field.Store.YES, Field.Index.ANALYZED));
			doc.add(new Field("price", "600 700 518", Field.Store.YES, Field.Index.ANALYZED));
			writer.addDocument(doc);
			
			
			doc  = new Document();
			doc.add(new Field("hotelName", "test4", Field.Store.YES, Field.Index.ANALYZED));
			doc.add(new Field("price", "200 228 518", Field.Store.YES, Field.Index.ANALYZED));
			writer.addDocument(doc);
			
			writer.close();
			
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}