/** 这里的类实现的功能是对多个字段进行排序* 比单个难度要大，但是有相应的方法，可以满足不同项目的不同需求* */package score;import java.io.IOException;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.index.IndexWriter;import org.apache.lucene.index.Term;import org.apache.lucene.search.Hits;import org.apache.lucene.search.IndexSearcher;import org.apache.lucene.search.RangeQuery;import org.apache.lucene.search.Sort;import org.apache.lucene.search.SortField;public class SortFieldTest {public SortFieldTest(String INDEX_STORE_PATH){try{IndexWriter writer = new IndexWriter(INDEX_STORE_PATH, new StandardAnalyzer(), true);writer.setUseCompoundFile(false);//首先定义文本Document doc1 = new Document();Field f1 = new Field("bookNumber", "0000001", Field.Store.YES, Field.Index.UN_TOKENIZED);Field f2 = new Field("bookname", "钢铁是怎样炼成的", Field.Store.YES, Field.Index.TOKENIZED);Field f3 = new Field("publishdate", "1970-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc1.add(f1);doc1.add(f2);doc1.add(f3);Document doc2 = new Document();f1 = new Field("bookNumber", "0000002", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "钢铁战士", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1980-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc2.add(f1);doc2.add(f2);doc2.add(f3);Document doc3 = new Document();f1 = new Field("bookNumber", "0000003", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "篱笆女人和狗", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1990-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc3.add(f1);doc3.add(f2);doc3.add(f3);Document doc4 = new Document();f1 = new Field("bookNumber", "0000004", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "女人是水做的", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1999-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc4.add(f1);doc4.add(f2);doc4.add(f3);Document doc5 = new Document();f1 = new Field("bookNumber", "0000005", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "英雄儿女", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "2002-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc5.add(f1);doc5.add(f2);doc5.add(f3);Document doc6 = new Document();f1 = new Field("bookNumber", "0000006", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "白毛女", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1985-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc6.add(f1);doc6.add(f2);doc6.add(f3);Document doc7 = new Document();f1 = new Field("bookNumber", "0000007", Field.Store.YES, Field.Index.UN_TOKENIZED);f2 = new Field("bookname", "我的兄弟和女儿", Field.Store.YES, Field.Index.TOKENIZED);f3 = new Field("publishdate", "1978-01-01", Field.Store.YES, Field.Index.UN_TOKENIZED);doc7.add(f1);doc7.add(f2);doc7.add(f3);//将书信息加入索引writer.addDocument(doc1);writer.addDocument(doc2);writer.addDocument(doc3);writer.addDocument(doc4);writer.addDocument(doc5);writer.addDocument(doc6);writer.addDocument(doc7);writer.close();//构建一个查询IndexSearcher searcher = new IndexSearcher(INDEX_STORE_PATH);Term begin = new Term("publishdate", "1950-01-01");Term end = new Term("publishdate", "2002-01-01");RangeQuery rq = new RangeQuery(begin, end, false);//构建两个SortFieldSort sort = new Sort();//按照publishdate排序，降序SortField sf1 = new SortField("publishdate", SortField.STRING, true);//按bookNumber排序，，升序SortField sf2 = new SortField("bookname", SortField.INT, false);//先按照publishdate排，在按照bookNumber排sort.setSort(new SortField[]{sf1, sf2});Hits hits = searcher.search(rq, sort);for(int i = 0; i < hits.length(); i++){Document doc = hits.doc(i);System.out.print("书名 ：");System.out.println(doc.get("bookname"));System.out.print("得分 :");System.out.println(hits.score(i));System.out.print("内部ID :");System.out.println(hits.id(i));System.out.print("书号 : ");System.out.println(doc.get("bookNumber"));System.out.print("发行日期 : ");System.out.println(doc.get("publishdate"));System.out.println("===========================");}}catch(IOException e){e.printStackTrace();}}public static void main(String[] args) {// TODO Auto-generated method stubSortFieldTest sft = new SortFieldTest("E:\\Lucene项目\\索引文件");}}
也和他共度。甚至连吵架也是重复的，
