【ES常用查询】基于ElasticsearchRestTemplate及NativeSearchQuery的查询

包含当前es所有的查询，

需要什么代码直接照搬，改个参数就行！

用的好请务必给我点赞！！！感谢爱你们！！！

（周末更  筒）

为啥写这篇文章呢：

大概是因为目前公司用的api跟以前的不太一样，

以前我们是基于高标准客户端直接做的，

但是目前这边同事是基于ElasticsearchRestTemplate跟NativeSearchQuery做的。

import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.common.lucene.search.function.CombineFunction;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.MatchAllQueryBuilder;
import org.elasticsearch.index.query.MatchQueryBuilder;
import org.elasticsearch.index.query.MultiMatchQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.RangeQueryBuilder;
import org.elasticsearch.index.query.TermsQueryBuilder;
import org.elasticsearch.index.query.WildcardQueryBuilder;
import org.elasticsearch.index.query.functionscore.FunctionScoreQueryBuilder;
import org.elasticsearch.index.query.functionscore.ScoreFunctionBuilder;
import org.elasticsearch.index.query.functionscore.ScoreFunctionBuilders;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;
import org.elasticsearch.search.sort.SortBuilder;
import org.elasticsearch.search.sort.SortBuilders;
import org.elasticsearch.search.sort.SortOrder;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.core.SearchHit;
import org.springframework.data.elasticsearch.core.SearchHits;
import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
import org.springframework.data.elasticsearch.core.query.NativeSearchQuery;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;import java.util.List;
import java.util.Map;@Slf4j
@RestController
@RequestMapping("/v/k/t/query")
public class EsTestController {/*** 测试es各种查询方法**/@AutowiredElasticsearchRestTemplate elasticsearchRestTemplate;//通配符查询@PostMapping("/es/wildcard")public void wildcard() {//*：匹配任意数量的字符（包括零个字符）。 *x*: 对x做前后N位做模糊查询,前后有多少值都可以查到(也可以左模糊或者右模糊)//?:用于匹配单个字符.    user?a: user?a   匹配user1a,但不匹配user123a//^:必须以某个字符开头，如^user*：必须以user开头//$:必须以某个字符结尾，如user$：必须以user结尾BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();//wildcardQuery：通配符查询WildcardQueryBuilder bsVersion = QueryBuilders.wildcardQuery("bsVersion", "*1*");WildcardQueryBuilder bsVersion2 = QueryBuilders.wildcardQuery("type", "*j*");boolQueryBuilder.must(bsVersion).should(bsVersion2);NativeSearchQuery dsl = new NativeSearchQueryBuilder()}//高亮//默认情况下：只能对查询字段高亮！！！//加了.requireFieldMatch(false) 可以对非查询字段高亮，具体看下文@PostMapping("/es/highlight")public void highlight() {BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();//wildcardQuery：通配符查询WildcardQueryBuilder bsVersion = QueryBuilders.wildcardQuery("bsVersion", "*1*");WildcardQueryBuilder bsVersion2 = QueryBuilders.wildcardQuery("type", "*j*");boolQueryBuilder.must(bsVersion).should(bsVersion2);NativeSearchQuery dsl = new NativeSearchQueryBuilder().withQuery(boolQueryBuilder).withHighlightFields(//.requireFieldMatch(false) : 加了可以对非查询字段高亮new HighlightBuilder.Field("bsVersion").preTags("<em>").postTags("</em>").requireFieldMatch(false),new HighlightBuilder.Field("provinceNameCn").preTags("<em>").postTags("</em>").requireFieldMatch(false),new HighlightBuilder.Field("isp").preTags("<em>").postTags("</em>").requireFieldMatch(false),new HighlightBuilder.Field("type").preTags("<em>").postTags("</em>").requireFieldMatch(false),new HighlightBuilder.Field("agentId").preTags("<em>").postTags("</em>").requireFieldMatch(false)).build();SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {// 高亮字段是个大MAP  高亮字段集合 = {bsVersion=[<em>115</em>]}  //K=字段名 V=高亮了的数据集合Map<String, List<String>> highlightFields = searchHit.getHighlightFields();System.out.println("获取高亮字段集合：bsVersion =  " + highlightFields.get("bsVersion"));System.out.println("获取高亮字段集合：provinceNameCn =  " + highlightFields.get("provinceNameCn"));System.out.println("获取高亮字段集合：isp =  " + highlightFields.get("isp"));System.out.println("获取高亮字段集合：type =  " + highlightFields.get("type"));System.out.println("获取高亮字段集合：agentId =  " + highlightFields.get("agentId"));List<String> bsVersionResult = highlightFields.get("bsVersion");for (String s : bsVersionResult) {System.out.println("bsVersion集合每一个值为 = " + s);}//            highlightFields.forEach((k, v) -> {
//                //获取高亮字段：k = bsVersion v = [<em>115</em>]
//                System.out.println("获取高亮字段：k = " + k + " v = " + v);
//            });}log.info("总条数：{}", search.getTotalHits());System.out.println("search.getSearchHits().size() = " + search.getSearchHits().size());}//排序@PostMapping("/es/sort")public void sort() {MatchAllQueryBuilder matchAllQuery = QueryBuilders.matchAllQuery();//备注：这里用的是NativeSearchQueryBuilder：xxxBuilder。最后一定要.build();，不然条件用不了NativeSearchQuery dsl = new NativeSearchQueryBuilder().withQuery(matchAllQuery)//备注：应该是要keyword，paasword这一类才能排序。我用text类型排序报：非法字段异常.withSorts(SortBuilders.fieldSort("appId").order(SortOrder.ASC)) //排序：根据bsVersion升序排序.build();SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//分页@PostMapping("/es/page")public void page() {Integer page = 1;Integer size = 10;MatchAllQueryBuilder matchAllQuery = QueryBuilders.matchAllQuery();NativeSearchQuery dsl = new NativeSearchQuery(matchAllQuery);//分页Pageable pageable = PageRequest.of((page - 1) * size, size);dsl.setPageable(pageable);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());// 获取当前页数log.info("当前页数：{}", page);// 获取当前页的条数int currentSize = search.getSearchHits().size();log.info("当前页条数：{}", currentSize);//数据列表：search.getSearchHits()  for出每一条，然后加到list中for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//布尔查询@PostMapping("/es/boolQueryBuilder")public void boolQueryBuilder() {BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();//must 必须满足且参与算分boolQueryBuilder.must(QueryBuilders.matchQuery("bsVersion", "114"));//mustNot 必须不满足   appID 300-700之间不参与查询（就是直接筛掉了）boolQueryBuilder.mustNot(QueryBuilders.rangeQuery("appId").gte("300").lte("700"));//filter 必须满足，且不参与算分
//        boolQueryBuilder.filter(QueryBuilders.termQuery("agentId", "298_ead348abbaf30f48"));NativeSearchQuery dsl = new NativeSearchQuery(boolQueryBuilder);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//算分函数查询@PostMapping("/es/FunctionScoreQueryBuilder")public void FunctionScoreQueryBuilder() {FunctionScoreQueryBuilder functionScoreQueryBuilder = QueryBuilders.functionScoreQuery(//原始查询QueryBuilders.matchAllQuery(),//算分数组new FunctionScoreQueryBuilder.FilterFunctionBuilder[]{//第一个元素new FunctionScoreQueryBuilder.FilterFunctionBuilder(//过滤器QueryBuilders.matchQuery("bsVersion", "114"),//权重ScoreFunctionBuilders.weightFactorFunction(10)),//第二个元素new FunctionScoreQueryBuilder.FilterFunctionBuilder(//过滤器QueryBuilders.matchQuery("bsVersion", "115"),//权重ScoreFunctionBuilders.weightFactorFunction(10))}).boostMode(CombineFunction.REPLACE);NativeSearchQuery dsl = new NativeSearchQuery(functionScoreQueryBuilder);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//范围查询@PostMapping("/es/rangeQuery")public void rangeQuery() {//范围查询 appId字段  >=0   <=200   的数据RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery("appId").gte("0").lte("200");NativeSearchQuery dsl = new NativeSearchQuery(rangeQueryBuilder);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//精确查询@PostMapping("/es/termQuery")public void termQuery() {//根据isp字段 精确查询 内网IPTermsQueryBuilder termsQueryBuilder = QueryBuilders.termsQuery("isp", " 内网IP ");NativeSearchQuery dsl = new NativeSearchQuery(termsQueryBuilder);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//多字段查询@PostMapping("/es/multiMatchQuery")public void multiMatchQuery() {//备注：字段必须是text类型，可以分词类型！！！！//查找keyword、数值、日期、boolean等会报错！！！//如果放入精确类型的字段，会报错！！！！MultiMatchQueryBuilder multiMatchQuery = QueryBuilders.multiMatchQuery("114", "bsVersion", "type");//查询114根据"bsVersion","type"NativeSearchQuery dsl = new NativeSearchQuery(multiMatchQuery);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//单字段查询@PostMapping("/es/matchQuery")public void matchQuery() {MatchQueryBuilder matchQuery = QueryBuilders.matchQuery("bsVersion", "114");NativeSearchQuery dsl = new NativeSearchQuery(matchQuery);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档的原数据 = " + searchHit.getContent());System.out.println("单条文档的id = " + searchHit.getId());System.out.println("单条文档的评分 = " + searchHit.getScore());System.out.println("单条文档索引名（表名） = " + searchHit.getIndex());//298_ops-web-js_1就是你输入的索引库名}}//查询所有@PostMapping("/es/matchAllQuery")public void matchAllQuery() {MatchAllQueryBuilder matchAllQuery = QueryBuilders.matchAllQuery();NativeSearchQuery dsl = new NativeSearchQuery(matchAllQuery);SearchHits<Map> search = elasticsearchRestTemplate.search(dsl, Map.class, IndexCoordinates.of("298_ops-web-js_1"));log.info("总条数：{}", search.getTotalHits());log.info("查询原始对象：{}", search.getSearchHits());log.info("分数值：{}", search.getMaxScore());log.info("有无聚合：{}", search.hasAggregations());log.info("返回搜索命中数量的关系，例如精确值、估计值：{}", search.getTotalHitsRelation());log.info("判断是否存在搜索命中结果：{}", search.hasSearchHits());//原始结果的每一条数据for (SearchHit<Map> searchHit : search.getSearchHits()) {System.out.println("单条文档 = " + searchHit);System.out.println("单条文档的原数据 = " + searchHit.getContent());}}}

————————————————————————————————————