private String indexPath = "D:/IndexPoiData";private IndexWriter indexWriter = null;private SmartChineseAnalyzer analyzer = new SmartChineseAnalyzer(true);private IndexSearcher indexSearcher = null;// Field Nameprivate static final String IDFieldName = "id";private static final String AddressFieldName = "address";private static final String LatFieldName = "lat";private static final String LngFieldName = "lng";private static final String GeoFieldName = "geoField";// Spatial index and searchprivate SpatialContext ctx;private SpatialStrategy strategy;public PoiIndexService() throws IOException {init();}public PoiIndexService(String indexPath) throws IOException {this.indexPath = indexPath;init();}protected void init() throws IOException {Directory directory = new SimpleFSDirectory(Paths.get(indexPath));IndexWriterConfig config = new IndexWriterConfig(analyzer);indexWriter = new IndexWriter(directory, config);DirectoryReader ireader = DirectoryReader.open(directory);indexSearcher = new IndexSearcher(ireader);// Typical geospatial context// These can also be constructed from SpatialContextFactoryctx = SpatialContext.GEO;int maxLevels = 11; // results in sub-meter precision for geohash// This can also be constructed from SpatialPrefixTreeFactorySpatialPrefixTree grid = new GeohashPrefixTree(ctx, maxLevels);strategy = new RecursivePrefixTreeStrategy(grid, GeoFieldName);}

    public boolean indexPoiDataList(List<PoiData> dataList) {try {if (dataList != null && dataList.size() > 0) {List<Document> docs = new ArrayList<>();for (PoiData data : dataList) {Document doc = new Document();doc.add(new LongField(IDFieldName, data.getId(), Field.Store.YES));doc.add(new DoubleField(LatFieldName, data.getLat(), Field.Store.YES));doc.add(new DoubleField(LngFieldName, data.getLng(), Field.Store.YES));doc.add(new TextField(AddressFieldName, data.getAddress(), Field.Store.YES));Point point = ctx.makePoint(data.getLng(),data.getLat());for (Field f : strategy.createIndexableFields(point)) {doc.add(f);}docs.add(doc);}indexWriter.addDocuments(docs);indexWriter.commit();return true;}return false;} catch (Exception e) {log.error(e.toString());return false;}}

    public List<PoiData> searchPoiInCircle(double lng, double lat, double radius){List<PoiData> results= new ArrayList<>();Shape circle = ctx.makeCircle(lng, lat, DistanceUtils.dist2Degrees(radius, DistanceUtils.EARTH_MEAN_RADIUS_KM));SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, circle);Query query = strategy.makeQuery(args);Point pt = ctx.makePoint(lng, lat);ValueSource valueSource = strategy.makeDistanceValueSource(pt, DistanceUtils.DEG_TO_KM);//the distance (in km)Sort distSort = null;TopDocs docs = null;try {//false = asc distdistSort = new Sort(valueSource.getSortField(false)).rewrite(indexSearcher);docs = indexSearcher.search(query, 10, distSort);} catch (IOException e) {log.error(e.toString());}if(docs!=null){ScoreDoc[] scoreDocs = docs.scoreDocs;printDocs(scoreDocs);results = getPoiDatasFromDoc(scoreDocs);}return results;}private List<PoiData> getPoiDatasFromDoc(ScoreDoc[] scoreDocs){List<PoiData> datas = new ArrayList<>();if (scoreDocs != null) {//System.out.println("总数：" + scoreDocs.length);for (int i = 0; i < scoreDocs.length; i++) {try {Document hitDoc = indexSearcher.doc(scoreDocs[i].doc);PoiData data = new PoiData();data.setId(Long.parseLong((hitDoc.get(IDFieldName))));data.setLng(Double.parseDouble(hitDoc.get(LngFieldName)));data.setLat(Double.parseDouble(hitDoc.get(LatFieldName)));data.setAddress(hitDoc.get(AddressFieldName));datas.add(data);} catch (IOException e) {log.error(e.toString());}}}return datas;}

    public List<PoiData> searchPoiInRectangle(double minLng, double minLat, double maxLng, double maxLat) {List<PoiData> results= new ArrayList<>();Point lowerLeftPoint = ctx.makePoint(minLng, minLat);Point upperRightPoint = ctx.makePoint(maxLng, maxLat);Shape rect = ctx.makeRectangle(lowerLeftPoint, upperRightPoint);SpatialArgs args = new SpatialArgs(SpatialOperation.Intersects, rect);Query query = strategy.makeQuery(args);TopDocs docs = null;try {docs = indexSearcher.search(query, 10);} catch (IOException e) {log.error(e.toString());}if(docs!=null){ScoreDoc[] scoreDocs = docs.scoreDocs;printDocs(scoreDocs);results = getPoiDatasFromDoc(scoreDocs);}return results;} 

public List<PoiData>searchPoByRangeAndAddress(doublelng, doublelat, double range, String address){List<PoiData> results= newArrayList<>();SpatialArgsargs = newSpatialArgs(SpatialOperation.Intersects,ctx.makeCircle(lng, lat, DistanceUtils.dist2Degrees(range, DistanceUtils.EARTH_MEAN_RADIUS_KM)));Query geoQuery = strategy.makeQuery(args);QueryBuilder builder = newQueryBuilder(analyzer);Query addQuery = builder.createPhraseQuery(AddressFieldName, address);BooleanQuery.BuilderboolBuilder = newBooleanQuery.Builder();boolBuilder.add(addQuery, Occur.SHOULD);boolBuilder.add(geoQuery,Occur.MUST);Query query = boolBuilder.build();TopDocs docs = null;try {docs = indexSearcher.search(query, 10);} catch (IOException e) {log.error(e.toString());}if(docs!=null){ScoreDoc[] scoreDocs = docs.scoreDocs;printDocs(scoreDocs);results = getPoiDatasFromDoc(scoreDocs);}return results;}

smartcn SmartChineseAnalyzer这\是\一个\lucen\中文\分\词\的\例子\你\可以\直接\运行\它\chines\analy\can\analysi\english\text\too\中国\农业\银行\农行\和\建设\银行\建行\江苏\南京\江\宁\上\元\大街\12\号\东南\大学\是\一\所\985\高校\MMSegAnalyzer ComplexAnalyzer这是\一个\lucene\中文\分词\的\例子\你\可以\直接\运行\它\chinese\analyer\can\analysis\english\text\too\中国农业\银行\农行\和\建设银行\建\行\江苏南京\江\宁\上\元\大街\12\号\东南大学\是一\所\985\高校\IKAnalyzer这是\一个\lucene\中文\分词\的\例子\你\可以\直接\运行\它\chinese\analyer\can\analysis\english\text\too.\中国农业银行\农行\和\建设银行\建行\江苏\南京\江宁\上元\大街\12号\东南大学\是\一所\985\高校\