search-parent/mall-search/src/main/java/com/uas/search/service/impl/SearchServiceImpl.java

package com.uas.search.service.impl;

import static com.uas.search.constant.model.Sort.Field.PRICE;
import static com.uas.search.constant.model.Sort.Field.RESERVE;
import static com.uas.search.util.SearchUtils.getDocuments;
import static com.uas.search.util.SearchUtils.releaseIndexSearcher;

import com.alibaba.fastjson.JSONObject;
import com.uas.search.annotation.NotEmpty;
import com.uas.search.constant.SearchConstants;
import com.uas.search.constant.model.CollectField;
import com.uas.search.constant.model.PageParams;
import com.uas.search.constant.model.PageParams.FilterField;
import com.uas.search.constant.model.SPage;
import com.uas.search.grouping.DistinctGroupCollector;
import com.uas.search.grouping.GoodsGroupCollector;
import com.uas.search.model.Brand;
import com.uas.search.model.Component;
import com.uas.search.model.Goods;
import com.uas.search.model.Kind;
import com.uas.search.model.PCBGoods;
import com.uas.search.model.TradeGoods;
import com.uas.search.model.V_Products;
import com.uas.search.service.SearchService;
import com.uas.search.sort.StringFieldComparatorSource;
import com.uas.search.util.CollectionUtils;
import com.uas.search.util.DocumentToObjectUtils;
import com.uas.search.util.ObjectToDocumentUtils;
import com.uas.search.util.SearchUtils;
import com.uas.search.util.StringUtils;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.Term;
import org.apache.lucene.sandbox.queries.DuplicateFilter;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.NumericRangeQuery;
import org.apache.lucene.search.PrefixQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.Sort;
import org.apache.lucene.search.SortField;
import org.apache.lucene.search.SortField.Type;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.TotalHitCountCollector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

/**
 * 搜索索引
 * 
 * @author sunyj
 * @since 2016年8月5日 下午2:21:26
 */
@Service
public class SearchServiceImpl implements SearchService {

	/**
	 * 获取联想词时返回的最大数目
	 */
	private static final int SIMILAR_NUM = 20;

	/**
	 * 获取联想词时返回的最大数目
	 */
	private static final int SIMILAR_NUM_EIGHT = 8;

	/**
	 * 所有物料
	 */
	private static final String ALL_PRODUCTS = "all";

	/**
	 * 标准物料
	 */
	private static final String STANDARD_PRODUCTS = "standard";

	/**
	 * 非标物料
	 */
	private static final String NONSTANDARD_PRODUCTS = "nStandard";

	/**
	 * 默认的页码
	 */
	private static final int PAGE_INDEX = 1;

	/**
	 * 默认每页的大小
	 */
	private static final int PAGE_SIZE = 20;

	/**
	 * 默认每页的大小
	 */
	private static final int BRAND_PAGE_SIZE = 100;

	private static Logger logger = LoggerFactory.getLogger(SearchServiceImpl.class);

	/**
	 * 查询所有物料
	 *
	 * @param keyword 关键词
	 * @param page    页码
	 * @param size    尺寸
	 * @param enUU 企业UU
	 * @param type  all 全部  standard 标准   nStandard 非标
	 * @return idPage
	 * @throws IOException 输入异常
	 */
	@Override
	public SPage<Long> getProductIds(Long enUU, String keyword, Integer page, Integer size, String type) throws IOException {
		List<Long> ids = new ArrayList<>();
		SPage<Document> documents = getProductDocuments(enUU, keyword, page, size, type);
		SPage<Long> sPage = new SPage<>(documents.getTotalPage(), documents.getTotalElement(), documents.getPage(),
				documents.getSize(), documents.isFirst(), documents.isLast());
		for (Document document : documents.getContent()) {
			ids.add(Long.parseLong(document.get(SearchConstants.PRODUCT_PRIVATE_ID_FIELD)));
		}
		sPage.setContent(ids);
		return sPage;
	}

	private SPage<Document> getProductDocuments(Long enUU, String keyword, Integer page, Integer size, String type) throws IOException {
//		if (SearchUtils.isKeywordInvalid(keyword)) {
//			throw new IllegalArgumentException("搜索关键词无效：" + keyword);
//		}
		BooleanQuery q1 = new BooleanQuery();
		if (null != enUU) {
			q1.add(new TermQuery(new Term(SearchConstants.PRODUCT_PRIVATE_ENUU_FIELD, String.valueOf(enUU))), BooleanClause.Occur.MUST);
		}
		if (STANDARD_PRODUCTS.equals(type)) {
			q1.add(new TermQuery(new Term(SearchConstants.PRODUCT_PRIVATE_STANDARD_FIELD, String.valueOf(1))), BooleanClause.Occur.MUST);
		} else if (NONSTANDARD_PRODUCTS.equals(type)) {
			q1.add(new TermQuery(new Term(SearchConstants.PRODUCT_PRIVATE_STANDARD_FIELD, String.valueOf(0))), BooleanClause.Occur.MUST);
		}
		q1.add(new TermQuery(new Term(SearchConstants.PRODUCT_PRIVATE_B2CENABLED_FIELD, String.valueOf(1))), BooleanClause.Occur.MUST);
		BooleanQuery booleanQuery = new BooleanQuery();
		booleanQuery.add(q1, BooleanClause.Occur.MUST);
		if (!StringUtils.isEmpty(keyword)) {
			BooleanQuery q2 = new BooleanQuery();
			q2.add(createQuery(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD, keyword, true,1), BooleanClause.Occur.SHOULD);
			q2.add(createQuery(SearchConstants.PRODUCT_PRIVATE_PBRANDEN_FIELD, keyword, true,1), BooleanClause.Occur.SHOULD);
			q2.add(createQuery(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD, keyword, true,1), BooleanClause.Occur.SHOULD);
			booleanQuery.add(q2, BooleanClause.Occur.MUST);
		}
		logger.info(booleanQuery.toString());
		return getDocuments(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME, booleanQuery, new Sort(sortProduct(keyword)), page, size);
	}

	/**
	 * @return 物料排序规则
	 */
	private SortField sortProduct(String keyword) {
		// id
		return new SortField(SearchConstants.PRODUCT_PRIVATE_ID_FIELD, Type.LONG, true);
	}

	@Override
	public SPage<Long> getKindIds(String keyword, Integer page, Integer size) throws IOException {
		List<Long> ids = new ArrayList<>();
		SPage<Document> documents = getKindDocuments(keyword, page, size);;
		SPage<Long> sPage = new SPage<>(documents.getTotalPage(), documents.getTotalElement(), documents.getPage(),
                documents.getSize(), documents.isFirst(), documents.isLast());
		for (Document document : documents.getContent()) {
			ids.add(Long.parseLong(document.get(SearchConstants.KIND_ID_FIELD)));
		}
		sPage.setContent(ids);
		return sPage;
	}

	@Override
	public SPage<Map<String, Object>> getKinds(String keyword, Integer page, Integer size) throws IOException {
		List<Map<String, Object>> kinds = new ArrayList<>();
		SPage<Document> documents = getKindDocuments(keyword, page, size);
		SPage<Map<String, Object>> sPage = new SPage<>(documents.getTotalPage(),
				documents.getTotalElement(), documents.getPage(), documents.getSize(), documents.isFirst(),
				documents.isLast());
		for (Document document : documents.getContent()) {
			Map<String, Object> kind = new HashMap<>();
			kind.put("id", Long.parseLong(document.get(SearchConstants.KIND_ID_FIELD)));
			kind.put("nameCn", document.get(SearchConstants.KIND_NAMECN_FIELD));
			kinds.add(kind);
		}
		sPage.setContent(kinds);
		return sPage;
	}

	private SPage<Document> getKindDocuments(String keyword, Integer page, Integer size) throws IOException {
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("搜索关键词无效：" + keyword);
		}
		BooleanQuery booleanQuery = SearchUtils.getBooleanQuery(SearchConstants.KIND_NAMECN_FIELD, keyword);
		logger.info(booleanQuery.toString());
		return getDocuments(SearchConstants.KIND_TABLE_NAME, booleanQuery, new Sort(sortKind(keyword)), page, size);
	}

    /**
     * @return 类目排序规则
     */
    private SortField[] sortKind(String keyword) {
        // 分数 > 访问量 > 搜索次数
        return new SortField[]{
                sortField(SearchConstants.KIND_VISIT_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.KIND_SEARCH_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
				new SortField(SearchConstants.KIND_NAMECN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword))
        };
    }

    /**
     * 构造 SortField
     *
     * @param field        Name of field to sort by.  Can be <code>null</code> if
     *                     <code>type</code> is SCORE or DOC.
     * @param type         Type of values in the terms.
     * @param reverse      True if natural order should be reversed.
     * @param missingValue Used for 'sortMissingFirst/Last'
     * @return SortField
     */
    private SortField sortField(String field, Type type, boolean reverse, Object missingValue) {
        SortField sortField = new SortField(field, type, reverse);
        sortField.setMissingValue(missingValue);
        return sortField;
    }

	@Override
	public SPage<Long> getBrandIds(String keyword, Integer page, Integer size) throws IOException {
		List<Long> ids = new ArrayList<>();
		SPage<Document> documents = getBrandDocuments(keyword, page, size);
		SPage<Long> sPage = new SPage<>(documents.getTotalPage(), documents.getTotalElement(), documents.getPage(),
                documents.getSize(), documents.isFirst(), documents.isLast());
		for (Document document : documents.getContent()) {
			ids.add(Long.parseLong(document.get(SearchConstants.BRAND_ID_FIELD)));
		}
		sPage.setContent(ids);
		return sPage;
	}

	@Override
	public SPage<Map<String, Object>> getBrands(String keyword, Integer page, Integer size) throws IOException {
		List<Map<String, Object>> brands = new ArrayList<>();
		SPage<Document> documents = getBrandDocuments(keyword, page, size);
		SPage<Map<String, Object>> sPage = new SPage<Map<String, Object>>(documents.getTotalPage(),
				documents.getTotalElement(), documents.getPage(), documents.getSize(), documents.isFirst(),
				documents.isLast());
		for (Document document : documents.getContent()) {
			Map<String, Object> brand = new HashMap<String, Object>();
			brand.put("id", Long.parseLong(document.get(SearchConstants.BRAND_ID_FIELD)));
			brand.put("uuid", document.get(SearchConstants.BRAND_UUID_FIELD));
			brand.put("nameCn", document.get(SearchConstants.BRAND_NAMECN_FIELD));
			brand.put("nameEn", document.get(SearchConstants.BRAND_NAMEEN_FIELD));
			brands.add(brand);
		}
		sPage.setContent(brands);
		return sPage;
	}

	@Override
	public SPage<Map<String, Object>> getBrandsAndSellers(String keyword, Integer page, Integer size)
		throws IOException {
		List<Map<String, Object>> content = new ArrayList<>();
        Map<String, Object> map = new HashMap<>();
        List<Long> brandIds = new ArrayList<>();
        SPage<Object> stock = null;
		SPage<Object> futures = null;

        // 精准匹配
        SPage<Long> documents = getBrandIds(keyword, page, size, false);
        SPage<Map<String, Object>> sPage = new SPage<>(1, 1, 1, documents.getSize(), true, true);
        // 精准匹配成功
        if (!CollectionUtils.isEmpty(documents.getContent())) {
            Map<String, List<String>> keywordFeildsMap = new HashMap<>();
            List<String> goodsFeilds = new ArrayList<>();
            goodsFeilds.add(SearchConstants.GOODS_PR_PBRAND_EN_UNTOKENIZED_FIELD);
            goodsFeilds.add(SearchConstants.GOODS_PR_PBRAND_CN_UNTOKENIZED_FIELD);

            List<String> productsFeilds = new ArrayList<>();
            productsFeilds.add(SearchConstants.PRODUCT_PRIVATE_PBRAND_CN_FIELD);
            productsFeilds.add(SearchConstants.PRODUCT_PRIVATE_PBRAND_EN_FIELD);
            keywordFeildsMap.put("goods", goodsFeilds);
            keywordFeildsMap.put("products", productsFeilds);
            brandIds.add(documents.getContent().get(0));
            // 获取卖家信息
            Map<String, SPage<Object>> sellers = querySellers(keyword, keywordFeildsMap, page, size, false, SearchConstants.BRAND);
			stock = sellers.get("stock");
			futures = sellers.get("futures");

            map.put("stock", stock);
            map.put("futures", futures);
        // 模糊匹配
        } else {
            SPage<Long> brandPage = getBrandIds(keyword, page, size, true);
            brandIds = brandPage.getContent();
            sPage = new SPage<>(brandPage.getTotalPage(), brandPage.getTotalElement(), brandPage.getPage(), brandPage.getSize(), brandPage.isFirst(), brandPage.isLast());
        }

		map.put("brandIds", brandIds);
		content.add(map);
        sPage.setContent(content);
        return sPage;
	}

	@Override
	public Map<String, Object> getSellersWithKind(String keyword, Integer page, Integer size)
		throws IOException {
		Map<String, Object> map = new HashMap<>();
		SPage<Object> stock = null;
		SPage<Object> futures = null;

        Map<String, List<String>> keywordFeildsMap = new HashMap<>();
        List<String> goodsFeilds = new ArrayList<>();
        goodsFeilds.add(SearchConstants.GOODS_PR_KIND_FIELD);

        List<String> productsFeilds = new ArrayList<>();
        productsFeilds.add(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD);
        keywordFeildsMap.put("goods", goodsFeilds);
        keywordFeildsMap.put("products", productsFeilds);

		Map<String, SPage<Object>> sellers = querySellers(keyword, keywordFeildsMap, page, size, true, SearchConstants.KIND);
		stock = sellers.get("stock");
		futures = sellers.get("futures");

		map.put("stock", stock);
		map.put("futures", futures);
		return map;
	}

	/**
     * 获取品牌id
     * @param keyword
     * @param page
     * @param size
     * @return
     */
    private SPage<Long> getBrandIds(String keyword, Integer page, Integer size, Boolean tokenized) throws IOException{
        List<Long> brandIds = new ArrayList<>();
        if (SearchUtils.isKeywordInvalid(keyword)) {
            throw new IllegalArgumentException("搜索关键词无效：" + keyword);
        }
        BooleanQuery booleanQuery = new BooleanQuery();
        if (tokenized) {
            booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMECN_FIELD, keyword),
                BooleanClause.Occur.SHOULD);
            booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMEEN_FIELD, keyword),
                BooleanClause.Occur.SHOULD);
        } else {
            booleanQuery.add(new TermQuery(new Term(SearchConstants.BRAND_NAMECN_UNTOKENIZED_FIELD, keyword.toLowerCase())), Occur.SHOULD);
            booleanQuery.add(new TermQuery(new Term(SearchConstants.BRAND_NAMEEN_UNTOKENIZED_FIELD, keyword.toLowerCase())), Occur.SHOULD);
        }
        logger.info(booleanQuery.toString());
        SPage<Document> documents = getDocuments(SearchConstants.BRAND_TABLE_NAME, booleanQuery, new Sort(sortBrand(keyword)), page,
            size);

        SPage<Long> sPage = new SPage<Long>(documents.getTotalPage(),
            documents.getTotalElement(), documents.getPage(), documents.getSize(), documents.isFirst(),
            documents.isLast());
        for (Document document : documents.getContent()) {
            brandIds.add(Long.parseLong(document.get(SearchConstants.BRAND_ID_FIELD)));
        }
        sPage.setContent(brandIds);
        return sPage;
    }

	/**
	 * 获取品牌Document
	 * @param keyword 关键词
	 * @param page 页码
	 * @param size 页数
	 * @return
	 * @throws IOException
	 */
	private SPage<Document> getBrandDocuments(String keyword, Integer page, Integer size) throws IOException {
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("搜索关键词无效：" + keyword);
		}

		BooleanQuery booleanQuery = new BooleanQuery();

		booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMECN_FIELD, keyword),
			BooleanClause.Occur.SHOULD);
		booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMEEN_FIELD, keyword),
			BooleanClause.Occur.SHOULD);

		logger.info(booleanQuery.toString());
		return getDocuments(SearchConstants.BRAND_TABLE_NAME, booleanQuery, new Sort(sortBrand(keyword)), page,
				size);
	}

	/**
	 * @return 品牌排序规则
	 */
	private SortField[] sortBrand(String keyword) {
		// 自定义排序 > 权重 > 访问量 > 搜索次数 > 分数
        // 分数排序放在最后，是因为有的中英文名称相同，分数翻倍，但实际匹配度并不高
        return new SortField[]{
                sortField(SearchConstants.BRAND_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                sortField(SearchConstants.BRAND_VISIT_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.BRAND_SEARCH_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
				new SortField(SearchConstants.BRAND_NAMEEN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, true)),
				new SortField(SearchConstants.BRAND_NAMECN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword))
        };
	}

	@Override
	public Map<String, Object> getComponentIds(String keyword, PageParams pageParams) {
		Map<String, Object> searchComponentIds = getComponentIds(keyword, pageParams, null, null);
		return searchComponentIds;
		// TODO 对品牌、类目甚至拼音混合搜索（待完善）
		// int total = (int) searchComponentIds.get("total");
		// if (total != 0) {
		// return searchComponentIds;
		// }
		// List<Long> kindIds = getKindIds(keyword, Occur.SHOULD);
		// List<Long> brandIds = getBrandIds(keyword, Occur.SHOULD);
		// return getComponentIds(null, pageParams, kindIds, brandIds);
	}

	/**
	 * 根据关键词搜索产品
	 * 
	 * @param keyword
	 * @param pageParams
	 * @param kindIds
	 * @param brandIds
	 * @return
	 */
	private Map<String, Object> getComponentIds(String keyword, PageParams pageParams, List<Long> kindIds,
			List<Long> brandIds) {
		// 因为器件、属性值的数据量远比类目、品牌大得多，而且器件搜索可能还需进行分页，
		// 所以涉及器件、属性值的搜索，大都不能像类目和品牌一样直接利用SearchUtils.getDocuments方法
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.COMPONENT_TABLE_NAME);

		if (pageParams == null) {
			pageParams = new PageParams();
		}
		if (pageParams.getPage() <= 0)
			pageParams.setPage(1);
		if (pageParams.getSize() <= 0)
			pageParams.setSize(20);

		Map<String, Object> map = new HashMap<>();
		List<Long> ids = new ArrayList<>();
		try {
			BooleanQuery booleanQuery = new BooleanQuery();
			if (!SearchUtils.isKeywordInvalid(keyword)) {
				booleanQuery.add(setBoost(keyword), BooleanClause.Occur.MUST);
			}

			Map<FilterField, Object> filters = pageParams.getFilters();
			if (!CollectionUtils.isEmpty(filters)) {
				// 筛选类目
				if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_KINDID))) {
					String kindId = filters.get(FilterField.COMPONENT_KINDID).toString();
					TermQuery kindQuery = new TermQuery(new Term(SearchConstants.COMPONENT_KI_ID_FIELD, kindId));
					booleanQuery.add(kindQuery, BooleanClause.Occur.MUST);
				}

				// 筛选品牌
				if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_BRANDID))) {
					String brandId = filters.get(FilterField.COMPONENT_BRANDID).toString();
					TermQuery brandQuery = new TermQuery(new Term(SearchConstants.COMPONENT_BR_ID_FIELD, brandId));
					booleanQuery.add(brandQuery, BooleanClause.Occur.MUST);
				}

				// 库存不为0
				if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_RESERVE))) {
					Boolean isReserveNotEmpty = (Boolean) filters.get(FilterField.COMPONENT_HAS_RESERVE);
					if (isReserveNotEmpty) {
						booleanQuery.add(NumericRangeQuery.newDoubleRange(SearchConstants.COMPONENT_RESERVE_FIELD, 0.0,
								Double.MAX_VALUE, false, true), BooleanClause.Occur.MUST);
					}
				}

				// 现货、呆滞库存、样品数量不为0，取或的关系
				if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_SAMPLE))
						|| !StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_ORIGINAL))
						|| !StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_INACTION_STOCK))) {
					BooleanQuery booleanQuery2 = new BooleanQuery();
					if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_SAMPLE))) {
						booleanQuery2.add(NumericRangeQuery.newDoubleRange(SearchConstants.COMPONENT_SAMPLE_QTY_FIELD,
								0.0, Double.MAX_VALUE, false, true), BooleanClause.Occur.SHOULD);
					}
					if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_ORIGINAL))) {
						booleanQuery2.add(NumericRangeQuery.newDoubleRange(SearchConstants.COMPONENT_ORIGINAL_QTY_FIELD,
								0.0, Double.MAX_VALUE, false, true), BooleanClause.Occur.SHOULD);
					}
					if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_HAS_INACTION_STOCK))) {
						booleanQuery2.add(
								NumericRangeQuery.newDoubleRange(SearchConstants.COMPONENT_INACTION_STOCK_QTY_FIELD,
										0.0, Double.MAX_VALUE, false, true),
								BooleanClause.Occur.SHOULD);
					}
					booleanQuery.add(booleanQuery2, Occur.MUST);
				}

				// 属性过滤
				if (!StringUtils.isEmpty(filters.get(FilterField.COMPONENT_PROPERTIES))) {
					JSONObject proJSON = JSONObject
							.parseObject(String.valueOf(filters.get(FilterField.COMPONENT_PROPERTIES)));
					for (String key : proJSON.keySet()) {
						String value = String.valueOf(proJSON.get(key));
						if (!StringUtils.isEmpty(value)) {
							if (!key.startsWith(SearchConstants.COMPONENT_PROPERTY_PREFIX)) {
								key = SearchConstants.COMPONENT_PROPERTY_PREFIX + key;
							}
							TermQuery propertyQuery = new TermQuery(new Term(key, value));
							booleanQuery.add(propertyQuery, BooleanClause.Occur.MUST);
						}
					}
				}
			}
			if (!CollectionUtils.isEmpty(kindIds)) {
				BooleanQuery booleanQuery2 = new BooleanQuery();
				for (Long id : kindIds) {
					booleanQuery2.add(new TermQuery(new Term(SearchConstants.COMPONENT_KI_ID_FIELD, id.toString())),
							Occur.SHOULD);
				}
				booleanQuery.add(booleanQuery2, Occur.MUST);
			}
			if (!CollectionUtils.isEmpty(brandIds)) {
				BooleanQuery booleanQuery2 = new BooleanQuery();
				for (Long id : brandIds) {
					booleanQuery2.add(new TermQuery(new Term(SearchConstants.COMPONENT_BR_ID_FIELD, id.toString())),
							Occur.SHOULD);
				}
				booleanQuery.add(booleanQuery2, Occur.MUST);
			}
			logger.info(booleanQuery.toString());

			Sort sort = new Sort(sortComponent(keyword));
			TopDocs hits;
			if (pageParams.getPage() > 1) {// 不是第一页
				TopDocs previousHits = indexSearcher.search(booleanQuery,
						(pageParams.getPage() - 1) * pageParams.getSize(), sort, true, false);
				ScoreDoc[] previousScoreDocs = previousHits.scoreDocs;
				ScoreDoc after = previousScoreDocs[previousScoreDocs.length - 1];
				hits = indexSearcher.searchAfter(after, booleanQuery, pageParams.getSize(), sort, true, false);
			} else {
				hits = indexSearcher.search(booleanQuery, pageParams.getSize(), sort, true, false);
			}

			ScoreDoc[] scoreDocs = hits.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				// 数据量太大，需要指定将获取的数据（以免载入不必要的数据，降低速度）
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(SearchConstants.COMPONENT_ID_FIELD);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				String componentId = document.get(SearchConstants.COMPONENT_ID_FIELD);
				ids.add(Long.parseLong(componentId));
				// System.out.println(componentId + "\t" + scoreDoc.score);
			}
			map.put("componentIds", ids);
			map.put("page", pageParams.getPage());
			map.put("size", pageParams.getSize());
			map.put("total", hits.totalHits);
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return map;
	}

	/**
	 * 同时搜索器件、类目、品牌，并设置boost
	 * 
	 * @param keyword
	 * @return
	 */
	private Query setBoost(String keyword) {
		BooleanQuery booleanQuery = new BooleanQuery();
		PrefixQuery prefixQuery = new PrefixQuery(
				new Term(SearchConstants.COMPONENT_CODE_FIELD, keyword.toLowerCase()));
		prefixQuery.setBoost(100);
		booleanQuery.add(prefixQuery, BooleanClause.Occur.SHOULD);
		booleanQuery.add(createQuery(SearchConstants.COMPONENT_BR_NAMECN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		booleanQuery.add(createQuery(SearchConstants.COMPONENT_BR_NAMEEN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		booleanQuery.add(createQuery(SearchConstants.COMPONENT_KI_NAME_FIELD, keyword, 1), BooleanClause.Occur.SHOULD);
		return booleanQuery;
	}

    /**
     * @return 器件排序规则
     */
    private SortField[] sortComponent(String keyword) {
        // 分数 > 器件（访问量 > 搜索次数） > 品牌（权重 > 访问量 > 搜索次数） > 类目（访问量 > 搜索次数）
        return new SortField[]{
                sortField(SearchConstants.COMPONENT_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_VISIT_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_SEARCH_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_BR_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_BR_VISIT_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_BR_SEARCH_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_KI_VISIT_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
                sortField(SearchConstants.COMPONENT_KI_SEARCH_COUNT_FIELD, Type.LONG, true, Long.MIN_VALUE),
				new SortField(SearchConstants.COMPONENT_CODE_FIELD, new StringFieldComparatorSource(keyword, true)),
				new SortField(SearchConstants.COMPONENT_BR_NAMEEN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, true)),
				new SortField(SearchConstants.COMPONENT_BR_NAMECN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, true)),
				new SortField(SearchConstants.COMPONENT_KI_NAME_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword))
        };
    }

	@Override
	public Set<Long> getKindIdsBySearchComponent(String keyword, String brandId) {
		Query filter = null;
		// 筛选品牌
		if (!StringUtils.isEmpty(brandId)) {
			filter = new TermQuery(new Term(SearchConstants.COMPONENT_BR_ID_FIELD, brandId));
		}
		return collectBySearchComponent(keyword, filter, SearchConstants.COMPONENT_KI_ID_FIELD).getValues();
	}

	@Override
	public Set<Map<String, Object>> getKindsBySearchComponent(String keyword, String brandId) {
		Query filter = null;
		// 筛选品牌
		if (!StringUtils.isEmpty(brandId)) {
			filter = new TermQuery(new Term(SearchConstants.COMPONENT_BR_ID_FIELD, brandId));
		}
		return collectBySearchComponent(keyword, filter, SearchConstants.KIND_ID_FIELD,
				new DistinctGroupCollector.CollectField(SearchConstants.KIND_ID_FIELD, "id"),
				new DistinctGroupCollector.CollectField(SearchConstants.KIND_NAMECN_FIELD, "nameCn"))
				.getCollectValues();
	}

	@Override
	public Set<Long> getBrandIdsBySearchComponent(String keyword, String kindId) {
		Query filter = null;
		// 筛选类目
		if (!StringUtils.isEmpty(kindId)) {
			filter = new TermQuery(new Term(SearchConstants.COMPONENT_KI_ID_FIELD, kindId));
		}
		return collectBySearchComponent(keyword, filter, SearchConstants.COMPONENT_BR_ID_FIELD).getValues();
	}

	@Override
	public Set<Map<String, Object>> getBrandsBySearchComponent(String keyword, String kindId) {
		Query filter = null;
		// 筛选类目
		if (!StringUtils.isEmpty(kindId)) {
			filter = new TermQuery(new Term(SearchConstants.COMPONENT_KI_ID_FIELD, kindId));
		}
		return collectBySearchComponent(keyword, filter, SearchConstants.COMPONENT_BR_ID_FIELD,
				new DistinctGroupCollector.CollectField(SearchConstants.COMPONENT_BR_ID_FIELD, "id"),
				new DistinctGroupCollector.CollectField(SearchConstants.COMPONENT_BR_UUID_FIELD, "uuid"),
				new DistinctGroupCollector.CollectField(SearchConstants.COMPONENT_BR_NAMECN_FIELD, "nameCn"))
				.getCollectValues();
	}

    /**
     * 搜索器件时统计指定信息
     *
     * @param keyword       关键词
     * @param filter        过滤条件
     * @param groupField    统计的单个字段（多为 id）
     * @param collectFields 统计的多个字段（详细信息），可为空
     * @return 统计信息
     */
    private DistinctGroupCollector collectBySearchComponent(String keyword, Query filter, String groupField, DistinctGroupCollector.CollectField... collectFields){
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("搜索关键词无效：" + keyword);
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.COMPONENT_TABLE_NAME);
		try {
			BooleanQuery booleanQuery = new BooleanQuery();
			keyword = URLDecoder.decode(keyword, "UTF-8");
			booleanQuery.add(setBoost(keyword), BooleanClause.Occur.MUST);

			if(filter != null){
				booleanQuery.add(filter, Occur.FILTER);
			}
			logger.info(booleanQuery.toString());

			DistinctGroupCollector collector = new DistinctGroupCollector(groupField, collectFields);
			indexSearcher.search(booleanQuery, collector);
			return collector;
		} catch (IOException e) {
			throw new IllegalStateException("统计失败", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
	}

	@Override
	public List<String> getSimilarKeywords(String keyword, Integer size) {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		List<String> result = new ArrayList<>();

		// 相似的器件原厂型号数量足够，直接返回
		List<String> componentCodes = getSimilarComponentCodes(keyword, size);
		result.addAll(componentCodes);
		removeDuplicate(result);
		if (result.size() == size) {
			return result;
		}

		// 获取相似类目
		List<String> kindNames = getSimilarKindNames(keyword, size);
		if (!CollectionUtils.isEmpty(kindNames)) {
			result.addAll(kindNames);
			removeDuplicate(result);
			// 如果总的数量超出SIMILAR_NUM，去除多余的元素
			if (result.size() > size) {
				removeElements(result, size);
				return result;
			}
		}

		// 获取相似品牌
		List<String> brandNames = getSimilarBrandNames(keyword, size);
		if (!CollectionUtils.isEmpty(brandNames)) {
			result.addAll(brandNames);
			removeDuplicate(result);
			if (result.size() > size) {
				removeElements(result, size);
				return result;
			}
		}

		return result;
	}

	@Override
	public List<Map<String, Object>> getSimilarComponents(String componentCode, Integer size) {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		if (SearchUtils.isKeywordInvalid(componentCode)) {
			throw new IllegalArgumentException("输入无效：" + componentCode);
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.COMPONENT_TABLE_NAME);

		List<Map<String, Object>> components = new ArrayList<>();
		try {
			PrefixQuery prefixQuery = new PrefixQuery(
					new Term(SearchConstants.COMPONENT_CODE_FIELD, componentCode.toLowerCase()));
			logger.info(prefixQuery.toString());

            Sort sort = new Sort(new SortField(SearchConstants.COMPONENT_CODE_FIELD, new StringFieldComparatorSource(componentCode)));
			TopDocs hits = indexSearcher.search(prefixQuery, size, sort);
			ScoreDoc[] scoreDocs = hits.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(SearchConstants.COMPONENT_ID_FIELD);
				fieldsToLoad.add(SearchConstants.COMPONENT_UUID_FIELD);
				fieldsToLoad.add(SearchConstants.COMPONENT_CODE_FIELD);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				Map<String, Object> map = new HashMap<>();
				map.put("id", Long.parseLong(document.get(SearchConstants.COMPONENT_ID_FIELD)));
				map.put("uuid", document.get(SearchConstants.COMPONENT_UUID_FIELD));
				map.put("code", document.get(SearchConstants.COMPONENT_CODE_FIELD));
				components.add(map);
			}
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return components;
	}

	@Override
	public List<Map<String, Object>> getSimilarBrands(String brandName, Integer size) throws IOException {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		if (SearchUtils.isKeywordInvalid(brandName)) {
			throw new IllegalArgumentException("输入无效：" + brandName);
		}
		List<Map<String, Object>> brands = new ArrayList<Map<String, Object>>();
		// 品牌名称带有空格，并且中英文名并无一定顺序，因此对nameCn、nameEn均要搜索
		BooleanQuery booleanQuery = new BooleanQuery();
		// 搜索nameCn
		booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMECN_FIELD, brandName),
				BooleanClause.Occur.SHOULD);
		// 搜索nameEn
		booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.BRAND_NAMEEN_FIELD, brandName),
				BooleanClause.Occur.SHOULD);
		logger.info(booleanQuery.toString());

        Sort sort = new Sort(new SortField(SearchConstants.BRAND_NAMEEN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(brandName)),
                new SortField(SearchConstants.BRAND_NAMECN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(brandName)));
		List<Document> documents = getDocuments(SearchConstants.BRAND_TABLE_NAME, booleanQuery, sort, null, size)
				.getContent();
		for (Document document : documents) {
			Map<String, Object> brand = new HashMap<>();
			brand.put("id", Long.parseLong(document.get(SearchConstants.BRAND_ID_FIELD)));
			brand.put("uuid", document.get(SearchConstants.BRAND_UUID_FIELD));
			brand.put("nameCn", document.get(SearchConstants.BRAND_NAMECN_FIELD));
			brand.put("nameEn", document.get(SearchConstants.BRAND_NAMEEN_FIELD));
			brands.add(brand);
		}
		return brands;
	}

	@Override
	public List<Map<String, Object>> getSimilarKinds(String kindName, Integer size) throws IOException {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		return getSimilarKinds(kindName, null, null, size);
	}

	@Override
	public List<Map<String, Object>> getSimilarLeafKinds(String kindName, Integer size) throws IOException {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		return getSimilarKinds(kindName, (short) 1, null, size);
	}

	@Override
	public List<Map<String, Object>> getSimilarKindsByLevel(String kindName, Short level, Integer size) throws IOException {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		return getSimilarKinds(kindName, null, level, size);
	}

	/**
	 * 根据输入的类目名获取联想词
	 * 
	 * @param kindName
	 *            类目名
	 * @param isLeaf
	 *            是否只获取末级类目
	 * @param level
	 *            指定的类目级别
	 * @param size 指定的联想词数目
	 * @return
	 */
	private List<Map<String, Object>> getSimilarKinds(String kindName, Short isLeaf, Short level, Integer size) throws IOException {
		size = size == null || size < 1 ? SIMILAR_NUM : size;
		if (SearchUtils.isKeywordInvalid(kindName)) {
			throw new IllegalArgumentException("输入无效：" + kindName);
		}
		List<Map<String, Object>> kinds = new ArrayList<>();
		BooleanQuery booleanQuery = new BooleanQuery();
		booleanQuery.add(SearchUtils.getBooleanQuery(SearchConstants.KIND_NAMECN_FIELD, kindName),
				BooleanClause.Occur.MUST);

		if (isLeaf != null && isLeaf == 1) {
			booleanQuery.add(new TermQuery(new Term(SearchConstants.KIND_ISLEAF_FIELD, String.valueOf(isLeaf))),
					BooleanClause.Occur.MUST);
		} else {
			if (level != null && level > 0) {
				booleanQuery.add(new TermQuery(new Term(SearchConstants.KIND_LEVEL_FIELD, String.valueOf(level))),
						BooleanClause.Occur.MUST);
			}
		}
		logger.info(booleanQuery.toString());

        Sort sort = new Sort(new SortField(SearchConstants.KIND_NAMECN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(kindName)));
		List<Document> documents = getDocuments(SearchConstants.KIND_TABLE_NAME, booleanQuery, sort, null, size).getContent();
		for (Document document : documents) {
			Map<String, Object> map = new HashMap<>();
			map.put("id", Long.parseLong(document.get(SearchConstants.KIND_ID_FIELD)));
			map.put("nameCn", document.get(SearchConstants.KIND_NAMECN_FIELD));
			map.put("isLeaf", Short.parseShort(document.get(SearchConstants.KIND_ISLEAF_FIELD)));
			map.put("level", Short.parseShort(document.get(SearchConstants.KIND_LEVEL_FIELD)));
			kinds.add(map);
		}
		return kinds;
	}

	@Override
	public List<Map<String, String>> getSimilarPropertyValues(Long kindId, Long propertyId, String keyword,
			Long topNum) {
		if (kindId == null || propertyId == null) {
			throw new IllegalArgumentException("类目id和属性id不能为空");
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.COMPONENT_TABLE_NAME);

		String propertyIdString = String.valueOf(propertyId);
		if (!propertyIdString.startsWith(SearchConstants.COMPONENT_PROPERTY_PREFIX)) {
			propertyIdString = SearchConstants.COMPONENT_PROPERTY_PREFIX + propertyIdString;
		}
		propertyIdString = propertyIdString + SearchConstants.COMPONENT_PROPERTY_TOKENIZED_SUFFIX;
		if (keyword == null) {
			keyword = "";
		}
		if (topNum == null || topNum < 1) {
			topNum = (long) SIMILAR_NUM;
		}

		List<String> propertyValues = new ArrayList<>();
		try {
			BooleanQuery booleanQuery = new BooleanQuery();
			booleanQuery.add(new TermQuery(new Term(SearchConstants.COMPONENT_KI_ID_FIELD, String.valueOf(kindId))),
					BooleanClause.Occur.MUST);
			booleanQuery.add(new PrefixQuery(new Term(propertyIdString, keyword.toLowerCase())),
					BooleanClause.Occur.MUST);
			logger.info(booleanQuery.toString());
			// 如果只搜索topNum个结果，去除重复的属性值后，数目很可能是不够的
			TopDocs topDocs = indexSearcher.search(booleanQuery, SearchConstants.TOP_NUM);
			ScoreDoc[] scoreDocs = topDocs.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(propertyIdString);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				String propertyValue = document.get(propertyIdString);
				if (!StringUtils.isEmpty(propertyValue) && !propertyValues.contains(propertyValue)) {
					propertyValues.add(propertyValue);
				}
				if (propertyValues.size() >= topNum) {
					break;
				}
			}
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}

		List<Map<String, String>> result = new ArrayList<>();
		for (String propertyValue : propertyValues) {
			Map<String, String> map = new HashMap<>();
			map.put("propertyValue", propertyValue);
			result.add(map);
		}
		return result;

	}

	/**
	 * 根据输入获取相似的器件原厂型号
	 * 
	 * @param componentCode
	 * @param size 指定的联想词数目
	 * @return
	 */
	private List<String> getSimilarComponentCodes(String componentCode, Integer size) {
		return getSimilarValues(SearchConstants.COMPONENT_TABLE_NAME, SearchConstants.COMPONENT_CODE_FIELD,
                SearchConstants.COMPONENT_CODE_FIELD, componentCode.toLowerCase(), size, true);
	}

	/**
	 * 根据输入获取相似的品牌名称
	 * 
	 * @param brandName
	 * @param size 指定的联想词数目
	 * @return
	 */
	private List<String> getSimilarBrandNames(String brandName, Integer size) {
		// 获取相似的中文品牌
		List<String> nameCns = getSimilarValues(SearchConstants.BRAND_TABLE_NAME, SearchConstants.BRAND_NAMECN_FIELD,
                SearchConstants.BRAND_NAMECN_UNTOKENIZED_FIELD, brandName, size, false);
		// 相似的中文品牌数量足够，直接返回
		if (nameCns != null && nameCns.size() == SIMILAR_NUM) {
			return nameCns;
		}

		List<String> names = nameCns;
		// 获取相似的英文品牌
		List<String> nameEns = getSimilarValues(SearchConstants.BRAND_TABLE_NAME, SearchConstants.BRAND_NAMEEN_FIELD,
                SearchConstants.BRAND_NAMEEN_UNTOKENIZED_FIELD, brandName, size, false);
		names.addAll(nameEns);
		return names;
	}

	/**
	 * 根据输入获取相似的类目名称
	 * 
	 * @param kindName
	 * @param size 指定的联想词数目
	 * @return
	 */
	private List<String> getSimilarKindNames(String kindName, Integer size) {
		return getSimilarValues(SearchConstants.KIND_TABLE_NAME, SearchConstants.KIND_NAMECN_FIELD,
                SearchConstants.KIND_NAMECN_UNTOKENIZED_FIELD, kindName, size, false);
	}

    /**
     * 根据输入值获取该域相似的值
     *
     * @param tableName      表名
     * @param field          联想字段
     * @param sortField      排序字段
     * @param keyword        关键词
     * @param size           联想词数目
     * @param usePrefixQuery 是否使用 PrefixQuery
     * @return 联想词
     */
    private List<String> getSimilarValues(String tableName, String field, String sortField, String keyword, Integer size, boolean usePrefixQuery) {
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("输入无效：" + keyword);
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(tableName);

		List<String> result = new ArrayList<>();
		try {
			Query query;
            if(usePrefixQuery){
                query = new PrefixQuery(new Term(field, keyword.toLowerCase()));
            }else{
                query = SearchUtils.getBooleanQuery(field, keyword);
            }
			logger.info(query.toString());
			Sort sort = new Sort(new SortField(sortField, new StringFieldComparatorSource(keyword)));
			TopDocs hits = indexSearcher.search(query, size, sort);
			ScoreDoc[] scoreDocs = hits.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(field);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				result.add(document.get(field));
				// System.out.println(document.get(field) + "\t" +
				// scoreDoc.score);
			}
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return result;
	}

	/**
	 * 移除集合中重复的元素
	 * 
	 * @param list
	 * @return
	 */
	private void removeDuplicate(List<String> list) {
		if (list == null) {
			return;
		}
		List<String> result = new ArrayList<>();
		for (String str : list) {
			if (!result.contains(str)) {
				result.add(str);
			}
		}
		list.removeAll(list);
		list.addAll(result);
	}

	/**
	 * 删除集合内 startIndex（含）后的元素
	 * 
	 * @param list
	 * @param startIndex
	 */
	private void removeElements(List<? extends String> list, int startIndex) {
		if (CollectionUtils.isEmpty(list)) {
			return;
		}
		int listsSize = list.size();
		for (int i = listsSize - 1; i >= startIndex; i--) {
			list.remove(i);
		}
	}

	@Override
	public Map<String, Object> getGoodsIds(String keyword, PageParams pageParams) throws IOException {
//		List<String> keywordFields = new ArrayList<>();
		// 先根据品牌搜索，品牌不存在再搜索型号等
//		keywordFields.add(SearchConstants.GOODS_BR_NAME_CN_UNTOKENIZED_FIELD);
//		keywordFields.add(SearchConstants.GOODS_BR_NAME_EN_UNTOKENIZED_FIELD);
//		Map<String, Object> goodsIds = getGoodsIds(keyword, keywordFields, false, pageParams);
//		if (CollectionUtils.isEmpty(goodsIds) || goodsIds.get("componentIds") == null
//				|| JSONObject.parseArray(goodsIds.get("componentIds").toString()).isEmpty()) {
//            keyword = recursivelyGetGoodsIds(keyword, null, true);
//			goodsIds = getGoodsIds(keyword, null, true, pageParams);
//		}
//		return goodsIds;
		Map<String, Object> map = new HashMap<>();
		List<String> goodsFields = new ArrayList<>();
		List<String> productsFields = new ArrayList<>();
		// 先根据品牌搜索，品牌不存在再搜索型号等
		goodsFields.add(SearchConstants.GOODS_PR_PCMPCODE_FIELD);
		goodsFields.add(SearchConstants.GOODS_CMP_CODE_FIELD);

		productsFields.add(SearchConstants.PRODUCT_PRIVATE_CMPCODE_FIELD);
		productsFields.add(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD);
		map.put("stock", getGoodsIds(keyword, goodsFields, true, pageParams));
		map.put("futures", getProductIds(keyword, pageParams));
		return map;
	}

	/**
	 * @param keyword
	 * @param keywordFields
	 *            要查询的字段
	 * @param tokenized
	 *            是否分词
	 * @param pageParams
	 * @return
	 */
	private Map<String, Object> getGoodsIds(String keyword, List<String> keywordFields, Boolean tokenized,
			PageParams pageParams) {
		// 因为器件、属性值的数据量远比类目、品牌大得多，而且器件搜索可能还需进行分页，
		// 所以涉及器件、属性值的搜索，大都不能像类目和品牌一样直接利用SearchUtils.getDocuments方法
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.GOODS_TABLE_NAME);

		if (pageParams == null) {
			pageParams = new PageParams();
		}
		if (pageParams.getPage() <= 0)
			pageParams.setPage(1);
		if (pageParams.getSize() <= 0)
			pageParams.setSize(20);

		Map<String, Object> map = new HashMap<String, Object>();
//		List<Long> cmpIds = new ArrayList<>();
		List<Long> goIds = new ArrayList<>();
		try {
			BooleanQuery booleanQuery = queryGoods(keyword, keywordFields, tokenized);
			setGoodsFilter(pageParams.getFilters(), booleanQuery);
			logger.info(booleanQuery.toString());

            Sort sort = sortGoods(keyword, pageParams.getSort());
			TopDocs hits;
			if (pageParams.getPage() > 1) {// 不是第一页
				TopDocs previousHits = indexSearcher.search(booleanQuery,
						(pageParams.getPage() - 1) * pageParams.getSize(), sort, true, false);
				int totalHits = previousHits.totalHits;
				if ((pageParams.getPage() - 1) * pageParams.getSize() >= totalHits) {
					return map;
				}
				ScoreDoc[] previousScoreDocs = previousHits.scoreDocs;
				ScoreDoc after = previousScoreDocs[previousScoreDocs.length - 1];
				hits = indexSearcher.searchAfter(after, booleanQuery, pageParams.getSize(), sort, true, false);
			} else {
				hits = indexSearcher.search(booleanQuery, pageParams.getSize(), sort, true, false);
			}

			// 数据量太大，需要指定将获取的数据（以免载入不必要的数据，降低速度）
			Set<String> fieldsToLoad = new HashSet<>();
//			fieldsToLoad.add(SearchConstants.GOODS_CMP_ID_FIELD);
			fieldsToLoad.add(SearchConstants.GOODS_GO_ID_FIELD);
			ScoreDoc[] scoreDocs = hits.scoreDocs;
            int totalHits = hits.totalHits;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
//                String cmpId = document.get(SearchConstants.GOODS_CMP_ID_FIELD);
//				cmpIds.add(StringUtils.isEmpty(cmpId) || cmpId.equals(ObjectToDocumentUtils.NULL_VALUE) ? null : Long.valueOf(cmpId));
				String goId = document.get(SearchConstants.GOODS_GO_ID_FIELD);
                if (!StringUtils.isEmpty(goId) && !goId.equals(ObjectToDocumentUtils.NULL_VALUE)) {
                    goIds.add(Long.valueOf(goId));
                } else {
                    totalHits--;
                }
			}
//			map.put("componentIds", cmpIds);
			map.put("content", goIds);
			map.put("page", pageParams.getPage());
			map.put("size", pageParams.getSize());
			map.put("totalElement", totalHits);
			int totalPage = (int) Math.ceil(totalHits / (1.0 * pageParams.getSize()));
			map.put("totalPage", totalPage);
			map.put("last", totalPage == pageParams.getPage() ? true : false);
			map.put("first", pageParams.getPage() == 1 ? true : false);
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return map;
	}

	/**
	 * 获取物料信息
	 * @param keyword
	 * @return
	 */
	private SPage<Long> getProductIds(String keyword, PageParams pageParams) throws IOException{
		if (pageParams == null) {
			pageParams = new PageParams();
		}
		if (pageParams.getPage() <= 0)
			pageParams.setPage(1);
		if (pageParams.getSize() <= 0)
			pageParams.setSize(20);

		BooleanQuery q1 = new BooleanQuery();
		q1.add(new TermQuery(new Term(SearchConstants.PRODUCT_PRIVATE_B2CENABLED_FIELD, String.valueOf(1))), BooleanClause.Occur.MUST);
		BooleanQuery booleanQuery = new BooleanQuery();
		booleanQuery.add(q1, BooleanClause.Occur.MUST);
		if (!StringUtils.isEmpty(keyword)) {
			BooleanQuery q2 = new BooleanQuery();
			q2.add(createQuery(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD, keyword, true,1), BooleanClause.Occur.SHOULD);
			q2.add(createQuery(SearchConstants.PRODUCT_PRIVATE_CMPCODE_FIELD, keyword, true,1), BooleanClause.Occur.SHOULD);
			booleanQuery.add(q2, BooleanClause.Occur.MUST);
		}
		logger.info(booleanQuery.toString());
		SPage<Document> documents =  getDocuments(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME, booleanQuery, new Sort(sortProduct(keyword)), pageParams.getPage(), pageParams.getSize());

		SPage<Long> sPage = new SPage<>(documents.getTotalPage(), documents.getTotalElement(), documents.getPage(), documents.getSize(), documents.isFirst(), documents.isLast());
		List<Long> productIds = new ArrayList<>();
		for (Document document : documents.getContent()) {
			productIds.add(Long.parseLong(document.get(SearchConstants.PRODUCT_PRIVATE_ID_FIELD)));
		}
		sPage.setContent(productIds);
		return sPage;
	}

    /**
     * 递归查询批次（如果没有结果，则降低精度，直至长度为 1）
     *
     * @param keyword       关键词
     * @param keywordFields 要查询的字段
     * @param tokenized     是否分词
     * @return 最后一次搜索的关键词
     */
    private String recursivelyGetGoodsIds(String keyword, List<String> keywordFields, Boolean tokenized) throws IOException {
        IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.GOODS_TABLE_NAME);
        try {
            BooleanQuery booleanQuery = queryGoods(keyword, keywordFields, tokenized);
            logger.info(booleanQuery.toString());
            TotalHitCountCollector collector = new TotalHitCountCollector();
            indexSearcher.search(booleanQuery, collector);
            // 如果没有结果，则降低精度，直至 keyword 长度为 1
            if (collector.getTotalHits() < 1 && !SearchUtils.isKeywordInvalid(keyword) && keyword.length() > 1) {
                return recursivelyGetGoodsIds(keyword.substring(0, keyword.length() - 1), keywordFields, tokenized);
            }
            return keyword;
        } finally {
            releaseIndexSearcher(indexSearcher);
        }
    }

    /**
     * 设置批次过滤条件
     *
     * @param filters 指定的过滤条件
     * @param query   原查询
     */
    private void setGoodsFilter(Map<FilterField, Object> filters, BooleanQuery query) {
        Object status;
        // 筛选状态
        if (!CollectionUtils.isEmpty(filters) && !StringUtils.isEmpty(filters.get(FilterField.GOODS_STATUS))) {
            // 如果明确指定了状态，则直接过滤批次（结果中不包括没有批次的器件）
            status = filters.get(FilterField.GOODS_STATUS);
            filter(status, SearchConstants.GOODS_GO_STATUS_FIELD, query);
        } else {
            // 如果未明确指定状态，则使用默认状态分情况进行过滤（结果中包括没有批次的器件）
            status = Arrays.asList(TradeGoods.VALID_STATUS);
            // 批次 id 不为空时，对状态过滤
            Query goNullQuery = SearchUtils.getNullQuery(SearchConstants.GOODS_GO_ID_FIELD);
            BooleanQuery q1 = new BooleanQuery();
            q1.add(goNullQuery, Occur.MUST_NOT);
            filter(status, SearchConstants.GOODS_GO_STATUS_FIELD, q1);
            // 或者批次 id 为空（此时是器件）
            BooleanQuery q2 = new BooleanQuery();
            q2.add(SearchUtils.getNullQuery(SearchConstants.GOODS_CMP_ID_FIELD), Occur.MUST_NOT);
            q2.add(goNullQuery, Occur.MUST);

            BooleanQuery booleanQuery = new BooleanQuery();
            booleanQuery.add(q1, Occur.SHOULD);
            booleanQuery.add(q2, Occur.SHOULD);
            query.add(booleanQuery, Occur.FILTER);
        }

        if (CollectionUtils.isEmpty(filters)) {
            return;
        }
        // 筛选类目
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_KINDID))) {
            filter(filters.get(FilterField.GOODS_KINDID), SearchConstants.GOODS_KI_ID_FIELD, query);
        }

        // 筛选品牌
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_BRANDID))) {
            filter(filters.get(FilterField.GOODS_BRANDID), SearchConstants.GOODS_BR_ID_FIELD, query);
        }

        // 筛选货源
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_STORE_TYPE))) {
            filter(filters.get(FilterField.GOODS_STORE_TYPE), SearchConstants.GOODS_ST_TYPE_FIELD, query);
        }

        // 筛选货币
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_CRNAME))) {
            filter(filters.get(FilterField.GOODS_CRNAME), SearchConstants.GOODS_CRNAME_FIELD, query);
        }

        // 价格筛选
        Object minPriceRmb = filters.get(FilterField.GOODS_MINPRICERMB);
        Object maxPriceRmb = filters.get(FilterField.GOODS_MAXPRICERMB);
        Object minPriceUsd = filters.get(FilterField.GOODS_MINPRICEUSD);
        Object maxPriceUsd = filters.get(FilterField.GOODS_MAXPRICEUSD);
        // 筛选人民币价格
        if (!StringUtils.isEmpty(minPriceRmb) || !StringUtils.isEmpty(maxPriceRmb)) {
            Double minPrice = null;
            Double maxPrice = null;
            if (!StringUtils.isEmpty(minPriceRmb)) {
                minPrice = Double.valueOf(minPriceRmb.toString());
            }
            if (!StringUtils.isEmpty(maxPriceRmb)) {
                maxPrice = Double.valueOf(maxPriceRmb.toString());
            }
            query.add(NumericRangeQuery.newDoubleRange(SearchConstants.GOODS_GO_MINPRICERMB_FIELD,
                    minPrice, maxPrice, true, true), BooleanClause.Occur.FILTER);
        }
        // 筛选美元价格
        if (!StringUtils.isEmpty(minPriceUsd) || !StringUtils.isEmpty(maxPriceUsd)) {
            Double minPrice = null;
            Double maxPrice = null;
            if (!StringUtils.isEmpty(minPriceUsd)) {
                minPrice = Double.valueOf(minPriceUsd.toString());
            }
            if (!StringUtils.isEmpty(maxPriceUsd)) {
                maxPrice = Double.valueOf(maxPriceUsd.toString());
            }
            query.add(NumericRangeQuery.newDoubleRange(SearchConstants.GOODS_GO_MINPRICEUSD_FIELD,
                    minPrice, maxPrice, true, true), BooleanClause.Occur.FILTER);
        }
    }

	/**
	 * 设置批次过滤条件
	 *
	 * @param filters 指定的过滤条件
	 * @param query   原查询
	 */
	private void setProductsFilter(Map<FilterField, Object> filters, BooleanQuery query) {
		Object status;
		// 筛选状态
		if (!CollectionUtils.isEmpty(filters) && !StringUtils.isEmpty(filters.get(FilterField.PRODUCT_STATUS))) {
			// 如果明确指定了状态，则直接过滤物料
			status = filters.get(FilterField.PRODUCT_STATUS);
			filter(status, SearchConstants.PRODUCT_PRIVATE_B2CENABLED_FIELD, query);
		} else {
			// 如果未明确指定状态，则使用默认状态分情况进行过滤（结果中包括没有批次的器件）
			status = Arrays.asList(V_Products.VALID_STATUS);
			// 或者批次 id 为空（此时是器件）
			BooleanQuery q2 = new BooleanQuery();

			BooleanQuery booleanQuery = new BooleanQuery();
			booleanQuery.add(q2, Occur.SHOULD);
			query.add(booleanQuery, Occur.FILTER);
		}
	}

    /**
     * 批次排序规则
     */
    private Sort sortGoods(String keyword, com.uas.search.constant.model.Sort sort) {
        List<SortField> sortFieldList = new ArrayList<>();
        sortFieldList.add(SortField.FIELD_SCORE);
        if (sort != null) {
            com.uas.search.constant.model.Sort.Field field = sort.getField();
            if (field == null) {
                throw new IllegalArgumentException("排序字段不可为空：" + sort);
            }
            boolean reverse = sort.isReverse();
            if (field == RESERVE) {
                // 库存
                sortFieldList.addAll(Arrays.asList(
                        // 降序时，默认值为最小值；升序时，默认值为最大值
                        sortField(SearchConstants.GOODS_GO_RESERVE_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.GOODS_CMP_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                        sortField(SearchConstants.GOODS_BR_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                        sortField(SearchConstants.GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                        sortField(SearchConstants.GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, false, Double.MAX_VALUE)
                ));
            } else if (field == PRICE) {
                // 价格
                sortFieldList.addAll(Arrays.asList(
                        // 降序时，默认值为最小值；升序时，默认值为最大值
                        sortField(SearchConstants.GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.GOODS_CMP_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                        sortField(SearchConstants.GOODS_BR_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                        sortField(SearchConstants.GOODS_GO_RESERVE_FIELD, Type.DOUBLE, true, Double.MIN_VALUE)
                ));
            } else {
                throw new IllegalArgumentException("不支持该排序方式：" + field);
            }
        } else {
            // 默认（综合排序）
            sortFieldList.addAll(Arrays.asList(
                    sortField(SearchConstants.GOODS_CMP_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                    sortField(SearchConstants.GOODS_BR_WEIGHT_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                    sortField(SearchConstants.GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                    sortField(SearchConstants.GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                    sortField(SearchConstants.GOODS_GO_RESERVE_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                    sortField(SearchConstants.GOODS_GO_MINDELIVERY_FIELD, Type.LONG, false, Long.MAX_VALUE)
            ));
        }
        sortFieldList.addAll(Arrays.asList(
                // 如果仍然无法得到正确结果，就根据按照型号等顺序严格排列
                new SortField(SearchConstants.GOODS_CMP_CODE_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.GOODS_PR_PCMPCODE_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.GOODS_BR_NAME_EN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.GOODS_BR_NAME_CN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.GOODS_KI_NAME_CN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                sortField(SearchConstants.GOODS_GO_UPDATE_DATE_FIELD, Type.LONG, true, Long.MIN_VALUE)
        ));
        SortField[] sortFields = new SortField[sortFieldList.size()];
        sortFieldList.toArray(sortFields);
        return new Sort(sortFields);
    }

    @Override
    public Map<String, Object> getPCBGoodsIds(String keyword, PageParams pageParams) throws IOException {
        keyword = recursivelyGetPCBGoodsIds(keyword);
        // 因为器件、属性值等的数据量远比类目、品牌大得多，而且器件搜索可能还需进行分页，
        // 所以涉及器件、属性值的搜索，大都不能像类目和品牌一样直接利用SearchUtils.getDocuments方法
        IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.PCB_GOODS_TABLE_NAME);

        if (pageParams == null) {
            pageParams = new PageParams();
        }
        if (pageParams.getPage() <= 0)
            pageParams.setPage(1);
        if (pageParams.getSize() <= 0)
            pageParams.setSize(20);

        Map<String, Object> map = new HashMap<String, Object>();
        List<Long> pcbIds = new ArrayList<>();
        List<Long> goIds = new ArrayList<>();
        try {
            BooleanQuery booleanQuery = queryPCBGoods(keyword);
            setPCBGoodsFilter(pageParams.getFilters(), booleanQuery);
            logger.info(booleanQuery.toString());

            Sort sort = sortPCBGoods(keyword, pageParams.getSort());
            TopDocs hits;
            if (pageParams.getPage() > 1) { // 不是第一页
                TopDocs previousHits = indexSearcher.search(booleanQuery,
                        (pageParams.getPage() - 1) * pageParams.getSize(), sort, true, false);
                int totalHits = previousHits.totalHits;
                if ((pageParams.getPage() - 1) * pageParams.getSize() >= totalHits) {
                    return map;
                }
                ScoreDoc[] previousScoreDocs = previousHits.scoreDocs;
                ScoreDoc after = previousScoreDocs[previousScoreDocs.length - 1];
                hits = indexSearcher.searchAfter(after, booleanQuery, pageParams.getSize(), sort, true, false);
            } else {
                hits = indexSearcher.search(booleanQuery, pageParams.getSize(), sort, true, false);
            }

            // 数据量太大，需要指定将获取的数据（以免载入不必要的数据，降低速度）
            Set<String> fieldsToLoad = new HashSet<>();
            fieldsToLoad.add(SearchConstants.PCB_GOODS_PCB_ID_FIELD);
            fieldsToLoad.add(SearchConstants.PCB_GOODS_GO_ID_FIELD);
            ScoreDoc[] scoreDocs = hits.scoreDocs;
            for (ScoreDoc scoreDoc : scoreDocs) {
                Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
                String pcbId = document.get(SearchConstants.PCB_GOODS_PCB_ID_FIELD);
                pcbIds.add(StringUtils.isEmpty(pcbId) || pcbId.equals(ObjectToDocumentUtils.NULL_VALUE) ? null : Long.valueOf(pcbId));
                String goId = document.get(SearchConstants.PCB_GOODS_GO_ID_FIELD);
                goIds.add(StringUtils.isEmpty(goId) || goId.equals(ObjectToDocumentUtils.NULL_VALUE) ? null : Long.valueOf(goId));
            }
            map.put("pcbIds", pcbIds);
            map.put("goodsIds", goIds);
            map.put("page", pageParams.getPage());
            map.put("size", pageParams.getSize());
            map.put("total", hits.totalHits);
        } catch (IOException e) {
            logger.error("", e);
        } finally {
            releaseIndexSearcher(indexSearcher);
        }
        return map;
    }


    /**
     * 递归查询 PCB 批次（如果没有结果，则降低精度，直至长度为 1）
     *
     * @param keyword       关键词
     * @return 最后一次搜索的关键词
     */
    private String recursivelyGetPCBGoodsIds(String keyword) throws IOException {
        IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.PCB_GOODS_TABLE_NAME);
        try {
            BooleanQuery booleanQuery = queryPCBGoods(keyword);
            logger.info(booleanQuery.toString());
            TotalHitCountCollector collector = new TotalHitCountCollector();
            indexSearcher.search(booleanQuery, collector);
            // 如果没有结果，则降低精度，直至 keyword 长度为 1
            if (collector.getTotalHits() < 1 && !SearchUtils.isKeywordInvalid(keyword) && keyword.length() > 1) {
                return recursivelyGetPCBGoodsIds(keyword.substring(0, keyword.length() - 1));
            }
            return keyword;
        } finally {
            releaseIndexSearcher(indexSearcher);
        }
    }

    /**
     * 设置 PCB 批次过滤条件
     *
     * @param filters 指定的过滤条件
     * @param query   原查询
     */
    private void setPCBGoodsFilter(Map<FilterField, Object> filters, BooleanQuery query) {
        Object status;
        // 筛选状态
        if (!CollectionUtils.isEmpty(filters) && !StringUtils.isEmpty(filters.get(FilterField.GOODS_STATUS))) {
            // 如果明确指定了状态，则直接过滤批次（结果中不包括没有批次的 PCB）
            status = filters.get(FilterField.GOODS_STATUS);
            filter(status, SearchConstants.PCB_GOODS_GO_STATUS_FIELD, query);
        } else {
            // 如果未明确指定状态，则使用默认状态分情况进行过滤（结果中包括没有批次的 PCB）
            status = Arrays.asList(TradeGoods.VALID_STATUS);
            // 批次 id 不为空时，对状态过滤
            Query goNullQuery = SearchUtils.getNullQuery(SearchConstants.PCB_GOODS_GO_ID_FIELD);
            BooleanQuery q1 = new BooleanQuery();
            q1.add(goNullQuery, Occur.MUST_NOT);
            filter(status, SearchConstants.PCB_GOODS_GO_STATUS_FIELD, q1);
            // 或者批次 id 为空（此时是PCB）
            BooleanQuery q2 = new BooleanQuery();
            q2.add(SearchUtils.getNullQuery(SearchConstants.PCB_GOODS_PCB_ID_FIELD), Occur.MUST_NOT);
            q2.add(goNullQuery, Occur.MUST);

            BooleanQuery booleanQuery = new BooleanQuery();
            booleanQuery.add(q1, Occur.SHOULD);
            booleanQuery.add(q2, Occur.SHOULD);
            query.add(booleanQuery, Occur.FILTER);
        }

        if (CollectionUtils.isEmpty(filters)) {
            return;
        }
        // 筛选类目
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_KINDID))) {
            filter(filters.get(FilterField.GOODS_KINDID), SearchConstants.PCB_GOODS_KI_ID_FIELD, query);
        }

        // 筛选品牌
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_BRANDID))) {
            filter(filters.get(FilterField.GOODS_BRANDID), SearchConstants.PCB_GOODS_BR_ID_FIELD, query);
        }

        // 筛选货币
        if (!StringUtils.isEmpty(filters.get(FilterField.GOODS_CRNAME))) {
            filter(filters.get(FilterField.GOODS_CRNAME), SearchConstants.PCB_GOODS_CRNAME_FIELD, query);
        }

        // 价格筛选
        Object minPriceRmb = filters.get(FilterField.GOODS_MINPRICERMB);
        Object maxPriceRmb = filters.get(FilterField.GOODS_MAXPRICERMB);
        Object minPriceUsd = filters.get(FilterField.GOODS_MINPRICEUSD);
        Object maxPriceUsd = filters.get(FilterField.GOODS_MAXPRICEUSD);
        // 筛选人民币价格
        if (!StringUtils.isEmpty(minPriceRmb) || !StringUtils.isEmpty(maxPriceRmb)) {
            Double minPrice = null;
            Double maxPrice = null;
            if (!StringUtils.isEmpty(minPriceRmb)) {
                minPrice = Double.valueOf(minPriceRmb.toString());
            }
            if (!StringUtils.isEmpty(maxPriceRmb)) {
                maxPrice = Double.valueOf(maxPriceRmb.toString());
            }
            query.add(NumericRangeQuery.newDoubleRange(SearchConstants.PCB_GOODS_GO_MINPRICERMB_FIELD,
                    minPrice, maxPrice, true, true), BooleanClause.Occur.FILTER);
        }
        // 筛选美元价格
        if (!StringUtils.isEmpty(minPriceUsd) || !StringUtils.isEmpty(maxPriceUsd)) {
            Double minPrice = null;
            Double maxPrice = null;
            if (!StringUtils.isEmpty(minPriceUsd)) {
                minPrice = Double.valueOf(minPriceUsd.toString());
            }
            if (!StringUtils.isEmpty(maxPriceUsd)) {
                maxPrice = Double.valueOf(maxPriceUsd.toString());
            }
            query.add(NumericRangeQuery.newDoubleRange(SearchConstants.PCB_GOODS_GO_MINPRICEUSD_FIELD,
                    minPrice, maxPrice, true, true), BooleanClause.Occur.FILTER);
        }
    }

    /**
     * PCB 批次排序规则
     */
    private Sort sortPCBGoods(String keyword, com.uas.search.constant.model.Sort sort) {
        List<SortField> sortFieldList = new ArrayList<>();
        sortFieldList.add(SortField.FIELD_SCORE);
        if (sort != null) {
            com.uas.search.constant.model.Sort.Field field = sort.getField();
            if (field == null) {
                throw new IllegalArgumentException("排序字段不可为空：" + sort);
            }
            boolean reverse = sort.isReverse();
            if (field == RESERVE) {
                // 库存
                sortFieldList.addAll(Arrays.asList(
                        // 降序时，默认值为最小值；升序时，默认值为最大值
                        sortField(SearchConstants.PCB_GOODS_GO_RESERVE_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.PCB_GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                        sortField(SearchConstants.PCB_GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, false, Double.MAX_VALUE)
                ));
            } else if (field == PRICE) {
                // 价格
                sortFieldList.addAll(Arrays.asList(
                        // 降序时，默认值为最小值；升序时，默认值为最大值
                        sortField(SearchConstants.PCB_GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.PCB_GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, reverse, reverse ? Double.MIN_VALUE : Double.MAX_VALUE),
                        sortField(SearchConstants.PCB_GOODS_GO_RESERVE_FIELD, Type.DOUBLE, true, Double.MIN_VALUE)
                ));
            } else {
                throw new IllegalArgumentException("不支持该排序方式：" + field);
            }
        } else {
            // 默认（综合排序）
            sortFieldList.addAll(Arrays.asList(
                    sortField(SearchConstants.PCB_GOODS_GO_MINPRICERMB_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                    sortField(SearchConstants.PCB_GOODS_GO_MINPRICEUSD_FIELD, Type.DOUBLE, false, Double.MAX_VALUE),
                    sortField(SearchConstants.PCB_GOODS_GO_RESERVE_FIELD, Type.DOUBLE, true, Double.MIN_VALUE),
                    sortField(SearchConstants.PCB_GOODS_GO_MINDELIVERY_FIELD, Type.LONG, false, Long.MAX_VALUE)
            ));
        }
        sortFieldList.addAll(Arrays.asList(
                // 如果仍然无法得到正确结果，就根据按照型号等顺序严格排列
                new SortField(SearchConstants.PCB_GOODS_PR_PCMPCODE_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.PCB_GOODS_BR_NAME_EN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.PCB_GOODS_BR_NAME_CN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                new SortField(SearchConstants.PCB_GOODS_KI_NAME_CN_UNTOKENIZED_FIELD, new StringFieldComparatorSource(keyword, false)),
                sortField(SearchConstants.PCB_GOODS_GO_UPDATE_DATE_FIELD, Type.LONG, true, Long.MIN_VALUE)
        ));
        SortField[] sortFields = new SortField[sortFieldList.size()];
        sortFieldList.toArray(sortFields);
        return new Sort(sortFields);
    }

	@Override
	public List<Map<String, Object>> collectBySearchGoods(String keyword, CollectField collectedField,
			Map<FilterField, Object> filters) throws IOException {
		List<String> keywordFields = new ArrayList<>();
		// 先根据品牌搜索，品牌不存在再搜索型号等
		keywordFields.add(SearchConstants.GOODS_BR_NAME_CN_UNTOKENIZED_FIELD);
		keywordFields.add(SearchConstants.GOODS_BR_NAME_EN_UNTOKENIZED_FIELD);
		List<Map<String, Object>> result = collectBySearchGoods(keyword, keywordFields, false, collectedField, filters);
		if (CollectionUtils.isEmpty(result)) {
            keyword = recursivelyGetGoodsIds(keyword, null, true);
			result = collectBySearchGoods(keyword, null, true, collectedField, filters);
		}
		return result;
	}

	/**
	 * 获取卖家信息
	 * @param keyword 关键词
	 * @param keywordFields 搜索字段
	 * @param page 页码
	 * @param size 页数
	 * @param tokenized 是否分词
	 * @param duplicate 去重类型
	 * @return
	 */
	private Map<String, SPage<Object>> querySellers(String keyword, Map<String, List<String>> keywordFields, Integer page, Integer size, boolean tokenized, String duplicate) throws IOException {
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("搜索关键词无效：" + keyword);
		}
		// 现货卖家
		Map<String, SPage<Object>> map = new HashMap<>();
		// 期货卖家
		BooleanQuery booleanQuery = new BooleanQuery();
        // TODO 卖家排序
        Sort sort = null;
		// 未指定搜索的字段，则采用默认搜索逻辑
		if (CollectionUtils.isEmpty(keywordFields)) {
			Map<String, Query> boostQuerys = setSellersBoost(keyword);
		} else {
			BooleanQuery goodsBooleanQuery = new BooleanQuery();
			for (String keywordField : keywordFields.get("goods")) {
				if (!tokenized) {
                    goodsBooleanQuery.add(new TermQuery(new Term(keywordField, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
				} else {
                    goodsBooleanQuery.add(SearchUtils.getBooleanQuery(keywordField, keyword), BooleanClause.Occur.SHOULD);
				}
				booleanQuery.add(goodsBooleanQuery, Occur.MUST);
                // 现货卖家
                map.put("stock", querySellers(SearchConstants.GOODS_TABLE_NAME, page, size, booleanQuery, sort, duplicate));
			}

            BooleanQuery productsBooleanQuery = new BooleanQuery();
			for (String keywordField : keywordFields.get("products")) {
                if (!tokenized) {
                    productsBooleanQuery.add(new TermQuery(new Term(keywordField, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
                } else {
                    productsBooleanQuery.add(SearchUtils.getBooleanQuery(keywordField, keyword), BooleanClause.Occur.SHOULD);
                }
                booleanQuery.add(productsBooleanQuery, Occur.MUST);
                // 期货卖家
                map.put("futures", querySellers(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME, page, size, booleanQuery, sort, duplicate));
            }
			logger.info(booleanQuery.toString());
		}

		return map;
	}

	private SPage<Object> querySellers(String indexName, Integer page, Integer size, Query query, Sort sort, String duplicateType)  throws IOException {
		SPage<Object> sPage = new SPage<>();
		if (page != null && page > 0) {
			sPage.setPage(page);
		} else {
			sPage.setPage(PAGE_INDEX);
			sPage.setFirst(true);
		}
		size = size != null && size > 0 ? size : PAGE_SIZE;
		sPage.setSize(duplicateType.equals(SearchConstants.BRAND) ? BRAND_PAGE_SIZE : size);

		DuplicateFilter duplicateFilter = null;
		if (!StringUtils.isEmpty(duplicateType)) {
			if (duplicateType.equals(SearchConstants.BRAND)) {
				duplicateFilter = new DuplicateFilter(indexName.equals(SearchConstants.GOODS_TABLE_NAME) ? SearchConstants.GOODS_PR_PBRAND_EN_CN_STUUID_UNTOKENIZED_FIELD : SearchConstants.PRODUCT_PRIVATE_PBRAND_ENUU_FIELD);
			} else if (duplicateType.equals(SearchConstants.KIND)) {
				duplicateFilter = new DuplicateFilter(indexName.equals(SearchConstants.GOODS_TABLE_NAME) ? SearchConstants.GOODS_KIND_STUUID_UNTOKENIZED_FIELD : SearchConstants.PRODUCT_PRIVATE_KIND_ENUU_FIELD);
			}
		}

		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(indexName);
		TopDocs topDocs;
		try {
			// 如果页码不为1
			if (sPage.getPage() > 1) {
				TopDocs previousTopDocs;
				if (sort == null) {
					previousTopDocs = duplicateFilter == null ? indexSearcher.search(query, (sPage.getPage() - 1) * sPage.getSize()) : indexSearcher.search(query, duplicateFilter, (sPage.getPage() - 1) * sPage.getSize());
				} else {
					previousTopDocs = indexSearcher.search(query, duplicateFilter, (sPage.getPage() - 1) * sPage.getSize(), sort);
				}
				int totalHits = previousTopDocs.totalHits;
				ScoreDoc[] previousScoreDocs = previousTopDocs.scoreDocs;
				if ((sPage.getPage() - 1) * sPage.getSize() >= totalHits) {
					throw new IllegalArgumentException("页码过大：元素总数量为" + totalHits);
				}
				topDocs = sort == null ? indexSearcher.searchAfter(previousScoreDocs[previousScoreDocs.length - 1], query, sPage.getSize()) :
					indexSearcher.searchAfter(previousScoreDocs[previousScoreDocs.length - 1], query, sPage.getSize(), sort);
			} else {
				sPage.setFirst(true);
				if (sort == null) {
					topDocs = duplicateFilter == null ? indexSearcher.search(query, sPage.getSize()) : indexSearcher.search(query, duplicateFilter, sPage.getSize());
				} else {
					topDocs = duplicateFilter == null ? indexSearcher.search(query, sPage.getSize(), sort) : indexSearcher.search(query, duplicateFilter, sPage.getSize(), sort);
				}
			}

			int totalHits = topDocs.totalHits;

			List<Document> documents = new ArrayList<>();
			for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
				documents.add(indexSearcher.doc(scoreDoc.doc));
			}

			List<Object> content = new ArrayList<>();
			if (indexName.equals(SearchConstants.GOODS_TABLE_NAME)) {
				Map<String, List<Object>> map = new HashMap<>();
				List<Object> allStoreUuids = new ArrayList<>();
				for (Document document : documents) {
					allStoreUuids.add(document.get(SearchConstants.GOODS_ST_UUID_FIELD));
				}
				// 按店铺分组
				for (Object object : allStoreUuids) {
					if (map.get(String.valueOf(object)) == null) {
						List<Object> storeUuids = new ArrayList<>();
						storeUuids.add(String.valueOf(object));
						map.put(String.valueOf(object), storeUuids);
					} else {
						map.get(String.valueOf(object)).add(object);
						totalHits --;
					}
				}
				// 按店铺批次数量排序
				List<Map.Entry<String, List<Object>>> stuuids = new ArrayList<>(map.entrySet());
				Collections.sort(stuuids, new Comparator<Map.Entry<String, List<Object>>> () {
					@Override
					public int compare(Map.Entry<String, List<Object>> o1, Map.Entry<String, List<Object>> o2) {
						return o1.getValue().size() - o2.getValue().size();
					}
				});
				for (int i = 0; i < (stuuids.size() < size ?  stuuids.size() : size) ; i ++) {
					content.add(stuuids.get(i).getKey());
				}
			} else if (indexName.equals(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME)) {
				for (Document document : documents) {
					content.add(Long.parseLong(document.get(SearchConstants.PRODUCT_PRIVATE_ENUU_FIELD)));
				}
			}
			// 设置总元素个数、页数等信息
			int totalPage = (int) Math.ceil(totalHits / (1.0 * sPage.getSize()));
			sPage.setTotalPage(totalPage);
			if (totalPage == sPage.getPage()) {
				sPage.setLast(true);
			}
			sPage.setSize(size);
			sPage.setTotalElement(totalHits);
			sPage.setContent(content);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return sPage;
	}

	private Map<String, Query> setSellersBoost(String keyword) {
		// TODO
		Map<String, Query> queryMap = new HashMap<>();
		BooleanQuery goodsQuery = new BooleanQuery();
		BooleanQuery productsQuery = new BooleanQuery();
		return null;
	}

	private SortField[] sortSellers(String keyword) {
		// TODO
		return null;
	}

	/**
	 * @param keyword
	 * @param keywordFields
	 *            要查询的字段
	 * @param tokenized
	 *            是否分词
	 * @param collectedField
	 * @param filters
	 * @return
	 */
	private List<Map<String, Object>> collectBySearchGoods(String keyword, List<String> keywordFields,
			Boolean tokenized, CollectField collectedField, Map<FilterField, Object> filters) {
		if (collectedField == null) {
			throw new IllegalArgumentException("参数为空：collectedField");
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.GOODS_TABLE_NAME);

		List<Map<String, Object>> result = new ArrayList<>();
		try {
			BooleanQuery booleanQuery = queryGoods(keyword, keywordFields, tokenized);
			setGoodsFilter(filters, booleanQuery);
			logger.info(booleanQuery.toString());

			// 统计
			String uniqueField;
			Set<String> fieldsToLoad = new HashSet<>();
			switch (collectedField) {
			case GOODS_KIND:
				uniqueField = SearchConstants.GOODS_KI_ID_FIELD;
				fieldsToLoad.add(SearchConstants.GOODS_KI_ID_FIELD);
				fieldsToLoad.add(SearchConstants.GOODS_KI_NAME_CN_FIELD);
				break;
			case GOODS_BRAND:
				uniqueField = SearchConstants.GOODS_BR_ID_FIELD;
				fieldsToLoad.add(SearchConstants.GOODS_BR_ID_FIELD);
				fieldsToLoad.add(SearchConstants.GOODS_BR_UUID_FIELD);
				fieldsToLoad.add(SearchConstants.GOODS_BR_NAME_CN_FIELD);
				fieldsToLoad.add(SearchConstants.GOODS_BR_NAME_EN_FIELD);
				break;
			case GOODS_STORE_TYPE:
				uniqueField = SearchConstants.GOODS_ST_TYPE_FIELD;
				fieldsToLoad.add(SearchConstants.GOODS_ST_TYPE_FIELD);
				break;
			case GOODS_CRNAME:
				uniqueField = SearchConstants.GOODS_CRNAME_FIELD;
				fieldsToLoad.add(SearchConstants.GOODS_CRNAME_FIELD);
				break;
			default:
				throw new IllegalArgumentException("不支持该统计字段：" + collectedField);
			}
			GoodsGroupCollector collector = new GoodsGroupCollector(uniqueField, fieldsToLoad);
			indexSearcher.search(booleanQuery, collector);
			result = collector.getValues();
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return result;
	}

	/**
	 * 获取查询批次的query
	 * 
	 * @param keyword
	 * @param keywordFields
	 * @param tokenized
	 * @return
	 */
	private BooleanQuery queryGoods(String keyword, List<String> keywordFields, Boolean tokenized) {
		BooleanQuery booleanQuery = new BooleanQuery();
		if (!SearchUtils.isKeywordInvalid(keyword)) {
			// 未指定搜索的字段，则采用默认搜索逻辑
			if (CollectionUtils.isEmpty(keywordFields)) {
				booleanQuery.add(setGoodsBoost(keyword), BooleanClause.Occur.MUST);
			} else {
				BooleanQuery booleanQuery2 = new BooleanQuery();
				for (String keywordField : keywordFields) {
					// 是否分词
					if (tokenized == null || !tokenized.booleanValue()) {
						booleanQuery2.add(new TermQuery(new Term(keywordField, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
					} else {
						booleanQuery2.add(SearchUtils.getBooleanQuery(keywordField, keyword), BooleanClause.Occur.SHOULD);
					}
				}
				booleanQuery.add(booleanQuery2, BooleanClause.Occur.MUST);
			}
		}
		return booleanQuery;
	}

	private BooleanQuery queryProducts(String keyword, List<String> keywordFields, Boolean tokenized) {
		BooleanQuery booleanQuery = new BooleanQuery();
		if (!SearchUtils.isKeywordInvalid(keyword)) {
			// 未指定搜索的字段，则采用默认搜索逻辑
			if (CollectionUtils.isEmpty(keywordFields)) {
//				booleanQuery.add(setGoodsBoost(keyword), BooleanClause.Occur.MUST);
			} else {
				BooleanQuery booleanQuery2 = new BooleanQuery();
				for (String keywordField : keywordFields) {
					// 是否分词
					if (tokenized == null || !tokenized.booleanValue()) {
						booleanQuery2.add(new TermQuery(new Term(keywordField, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
					} else {
						booleanQuery2.add(SearchUtils.getBooleanQuery(keywordField, keyword), BooleanClause.Occur.SHOULD);
					}
				}
				booleanQuery.add(booleanQuery2, BooleanClause.Occur.MUST);
			}
		}
		return booleanQuery;
	}

	/**
	 * 同时搜索器件、类目、品牌等，并设置boost
	 */
	private Query setGoodsBoost(String keyword) {
		BooleanQuery booleanQuery = new BooleanQuery();
        // 前缀搜索（字段并未分词，进行分词搜索时，会有边界问题，如搜索 'BC807-40,215'）
        booleanQuery.add(new PrefixQuery(new Term(SearchConstants.GOODS_CMP_CODE_FIELD, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
        booleanQuery.add(new PrefixQuery(new Term(SearchConstants.GOODS_PR_PCMPCODE_FIELD, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
		// 原厂型号
		booleanQuery.add(createQuery(SearchConstants.GOODS_CMP_CODE_FIELD, keyword, 100), BooleanClause.Occur.SHOULD);
		// 非标
		booleanQuery.add(createQuery(SearchConstants.GOODS_PR_PCMPCODE_FIELD, keyword, 100), Occur.SHOULD);
		// 品牌
		booleanQuery.add(createQuery(SearchConstants.GOODS_BR_NAME_CN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		booleanQuery.add(createQuery(SearchConstants.GOODS_BR_NAME_EN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		// 类目
		booleanQuery.add(createQuery(SearchConstants.GOODS_KI_NAME_CN_FIELD, keyword, 1), BooleanClause.Occur.SHOULD);
		// 属性值
		booleanQuery.add(createQuery(SearchConstants.GOODS_CMP_DESCRIPTION_FIELD, keyword, 1), BooleanClause.Occur.SHOULD);
		return booleanQuery;
	}

    @Override
    public List<Map<String, Object>> collectBySearchPCBGoods(String keyword, CollectField collectedField,
                                                          Map<FilterField, Object> filters) throws IOException {
        keyword = recursivelyGetPCBGoodsIds(keyword);
        if (collectedField == null) {
            throw new IllegalArgumentException("参数为空：collectedField");
        }
        IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.PCB_GOODS_TABLE_NAME);

        List<Map<String, Object>> result = new ArrayList<>();
        try {
            BooleanQuery booleanQuery = queryPCBGoods(keyword);
            setPCBGoodsFilter(filters, booleanQuery);
            logger.info(booleanQuery.toString());

            // 统计
            String uniqueField;
            Set<String> fieldsToLoad = new HashSet<>();
            switch (collectedField) {
                case GOODS_KIND:
                    uniqueField = SearchConstants.PCB_GOODS_KI_ID_FIELD;
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_KI_ID_FIELD);
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_KI_NAME_CN_FIELD);
                    break;
                case GOODS_BRAND:
                    uniqueField = SearchConstants.PCB_GOODS_BR_ID_FIELD;
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_BR_ID_FIELD);
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_BR_UUID_FIELD);
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_BR_NAME_CN_FIELD);
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_BR_NAME_EN_FIELD);
                    break;
                case GOODS_CRNAME:
                    uniqueField = SearchConstants.PCB_GOODS_CRNAME_FIELD;
                    fieldsToLoad.add(SearchConstants.PCB_GOODS_CRNAME_FIELD);
                    break;
                default:
                    throw new IllegalArgumentException("不支持该统计字段：" + collectedField);
            }
            GoodsGroupCollector collector = new GoodsGroupCollector(uniqueField, fieldsToLoad);
            indexSearcher.search(booleanQuery, collector);
            result = collector.getValues();
        } catch (IOException e) {
            logger.error("", e);
        } finally {
            releaseIndexSearcher(indexSearcher);
        }
        return result;
    }


    /**
     * 获取查询 PCB 批次的query
     *
     * @param keyword
     * @return
     */
    private BooleanQuery queryPCBGoods(String keyword) {
        BooleanQuery booleanQuery = new BooleanQuery();
        if (!SearchUtils.isKeywordInvalid(keyword)) {
            booleanQuery.add(setPCBGoodsBoost(keyword), BooleanClause.Occur.MUST);
        }
        return booleanQuery;
    }

    /**
     * 搜索 PCB，设置boost
     */
    private BooleanQuery setPCBGoodsBoost(String keyword) {
        BooleanQuery booleanQuery = new BooleanQuery();
        // 前缀搜索（字段并未分词，进行分词搜索时，会有边界问题，如搜索 'BC807-40,215'）
        booleanQuery.add(new PrefixQuery(new Term(SearchConstants.PCB_GOODS_PR_PCMPCODE_FIELD, keyword.toLowerCase())), BooleanClause.Occur.SHOULD);
        // PCB
        booleanQuery.add(createQuery(SearchConstants.PCB_GOODS_PR_PCMPCODE_FIELD, keyword, 100), Occur.SHOULD);
		// 品牌
		booleanQuery.add(createQuery(SearchConstants.PCB_GOODS_BR_NAME_CN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		booleanQuery.add(createQuery(SearchConstants.PCB_GOODS_BR_NAME_EN_FIELD, keyword, 10), BooleanClause.Occur.SHOULD);
		// 类目
		booleanQuery.add(createQuery(SearchConstants.PCB_GOODS_KI_NAME_CN_FIELD, keyword, 1), BooleanClause.Occur.SHOULD);
        return booleanQuery;
    }

    private BooleanQuery createQuery(String field, String keyword, float boost){
       return createQuery(field, keyword, false, boost);
    }


    private BooleanQuery createQuery(String field, String keyword, boolean useRegexpQuery, float boost){
        BooleanQuery booleanQuery = new BooleanQuery();
        if (StringUtils.isEmpty(field) || StringUtils.isEmpty(keyword)) {
            return booleanQuery;
        }
        // 根据空格分隔关键词，分隔的词取或的关系
        String[] array = keyword.split(" ");
        for(String str : array){
            if(!StringUtils.isEmpty(str)){
                booleanQuery.add(SearchUtils.getBooleanQuery(field, str, useRegexpQuery), Occur.SHOULD);
            }
        }
        booleanQuery.setBoost(boost);
        return booleanQuery;
    }

	/**
	 * 过滤
	 * 
	 * @param list
	 *            过滤值列表
	 * @param field
	 *            过滤的字段
	 * @param booleanQuery
	 *            查询条件
	 */
	@SuppressWarnings("unchecked")
	private void filter(Object list, String field, BooleanQuery booleanQuery) {
		List<Object> values;
		if (list instanceof List) {
			values = (List<Object>) list;
		}else{
			values = new ArrayList<>();
			values.add(list);
		}
		BooleanQuery booleanQuery2 = new BooleanQuery();
		for (Object value : values) {
			TermQuery query = new TermQuery(new Term(field, value.toString().toLowerCase()));
			booleanQuery2.add(query, BooleanClause.Occur.SHOULD);
		}
		booleanQuery.add(booleanQuery2, BooleanClause.Occur.FILTER);
	}

    @Override
    public V_Products getProduct(Long id) throws IOException {
        return DocumentToObjectUtils.toProduct(
                SearchUtils.getDocumentById(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME, SearchConstants.PRODUCT_PRIVATE_ID_FIELD, id));
    }

	/**
	 * 获取标准型号联想词
	 *
	 * @param keyword 关键词
	 * @param size    尺寸
	 * @return
	 */
	@Override
	public List<Map<String, Object>> getSimilarPCmpCodes(String keyword, Integer size) {
		size = size == null || size < 1 ? SIMILAR_NUM_EIGHT : size;
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("输入无效：" + keyword);
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME);

		List<Map<String, Object>> products = new ArrayList<>();
		try {
			PrefixQuery prefixQuery = new PrefixQuery(
					new Term(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD, keyword.toLowerCase()));
			logger.info(prefixQuery.toString());

			Sort sort = new Sort(new SortField(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD, new StringFieldComparatorSource(keyword)));
			TopDocs hits = indexSearcher.search(prefixQuery, size, sort);
			ScoreDoc[] scoreDocs = hits.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				Map<String, Object> map = new HashMap<>();
				map.put("pCmpCode", document.get(SearchConstants.PRODUCT_PRIVATE_PCMPCODE_FIELD));
				products.add(map);
			}
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return products;
	}

	/**
	 * 获取类目联想词
	 *
	 * @param keyword 关键词
	 * @param size    尺寸
	 * @return
	 */
	@Override
	public List<Map<String, Object>> getSimilarKind(String keyword, Integer size) {
		size = size == null || size < 1 ? SIMILAR_NUM_EIGHT : size;
		if (SearchUtils.isKeywordInvalid(keyword)) {
			throw new IllegalArgumentException("输入无效：" + keyword);
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(SearchConstants.PRODUCTS_PRIVATE_TABLE_NAME);

		List<Map<String, Object>> products = new ArrayList<>();
		try {
			PrefixQuery prefixQuery = new PrefixQuery(
					new Term(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD, keyword.toLowerCase()));
			logger.info(prefixQuery.toString());

			Sort sort = new Sort(new SortField(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD, new StringFieldComparatorSource(keyword)));
			TopDocs hits = indexSearcher.search(prefixQuery, size, sort);
			ScoreDoc[] scoreDocs = hits.scoreDocs;
			for (ScoreDoc scoreDoc : scoreDocs) {
				Set<String> fieldsToLoad = new HashSet<>();
				fieldsToLoad.add(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD);
				Document document = indexSearcher.doc(scoreDoc.doc, fieldsToLoad);
				Map<String, Object> map = new HashMap<>();
				map.put("kind", document.get(SearchConstants.PRODUCT_PRIVATE_KIND_FIELD));
				products.add(map);
			}
		} catch (IOException e) {
			logger.error("", e);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return products;
	}

	@Override
	public Kind getKind(Long id) throws IOException {
		return DocumentToObjectUtils.toKind(
				SearchUtils.getDocumentById(SearchConstants.KIND_TABLE_NAME, SearchConstants.KIND_ID_FIELD, id));
	}

	@Override
	public Brand getBrand(Long id) throws IOException {
		return DocumentToObjectUtils.toBrand(
				SearchUtils.getDocumentById(SearchConstants.BRAND_TABLE_NAME, SearchConstants.BRAND_ID_FIELD, id));
	}

	@Override
	public Component getComponent(Long id) throws IOException {
		return DocumentToObjectUtils.toComponent(SearchUtils.getDocumentById(SearchConstants.COMPONENT_TABLE_NAME,
				SearchConstants.COMPONENT_ID_FIELD, id));
	}

	@Override
	public Goods getGoods(String id) throws IOException {
		return DocumentToObjectUtils.toGoods(
				SearchUtils.getDocumentById(SearchConstants.GOODS_TABLE_NAME, SearchConstants.GOODS_GO_ID_FIELD, id));
	}

    @Override
    public PCBGoods getPCBGoods(String id) throws IOException {
        return DocumentToObjectUtils.toPCBGoods(
                SearchUtils.getDocumentById(SearchConstants.PCB_GOODS_TABLE_NAME, SearchConstants.PCB_GOODS_GO_ID_FIELD, id));
    }

	@Override
	public SPage<Object> getObjects(String tableName, String keyword, String field, Boolean tokenized, @NotEmpty("page") Integer page, @NotEmpty("size") Integer size) throws IOException {
		if (keyword == null) {
			keyword = "";
		}
		if (field == null) {
			field = SearchUtils.getIdField(tableName);
		}
		if (tokenized == null) {
			tokenized = false;
		}
		IndexSearcher indexSearcher = SearchUtils.getIndexSearcher(tableName);
		SPage<Object> sPage = new SPage<>();
		try {
			Query query;
			if (tokenized) {
				query = SearchUtils.getBooleanQuery(field, keyword);
			} else {
				query = new TermQuery(new Term(field, keyword));
			}
			// 分页信息
			if (page > 0) {
				sPage.setPage(page);
			} else {
				sPage.setPage(1);
				sPage.setFirst(true);
			}
			if (size > 0) {
				sPage.setSize(size);
			} else {
				sPage.setSize(20);
			}

			TopDocs topDocs;
			// 如果页码不为1
			if (sPage.getPage() > 1) {
				TopDocs previousTopDocs = indexSearcher.search(query, (sPage.getPage() - 1) * sPage.getSize());
				int totalHits = previousTopDocs.totalHits;
				ScoreDoc[] previousScoreDocs = previousTopDocs.scoreDocs;
				if ((sPage.getPage() - 1) * sPage.getSize() >= totalHits) {
					throw new IllegalArgumentException("页码过大：元素总数量为" + totalHits);
				}
				topDocs = indexSearcher.searchAfter(previousScoreDocs[previousScoreDocs.length - 1], query,
						sPage.getSize());
			} else {
				sPage.setFirst(true);
				topDocs = indexSearcher.search(query, sPage.getSize());
			}

			int totalHits = topDocs.totalHits;
			// 设置总元素个数、页数等信息
			sPage.setTotalElement(totalHits);
			int totalPage = (int) Math.ceil(totalHits / (1.0 * sPage.getSize()));
			sPage.setTotalPage(totalPage);
			if (totalPage == sPage.getPage()) {
				sPage.setLast(true);
			}
			List<Object> content = new ArrayList<>();
			for (ScoreDoc scoreDoc : topDocs.scoreDocs) {
				Document document = indexSearcher.doc(scoreDoc.doc);
				content.add(DocumentToObjectUtils.toObject(document, tableName));
			}
			sPage.setContent(content);
		} finally {
			releaseIndexSearcher(indexSearcher);
		}
		return sPage;
	}

}