为了增加title和author字段的权重,我们可以给它们一个大于1的boost值: GET/_search{"query":{"bool":{"should":[{"match":{"title":{"query":"War and Peace","boost":2}}},{"match":{"author":{"query":"Leo Tolstoy","boost":2}}},{"bool":{"should":[{"match":{"translator":"Constance...
public void hasChildSearchByName(){ ClientInterface clientUtil = ElasticSearchHelper.getConfigRestClientUtil("esmapper/indexparentchild.xml"); Map<String,Object> params = new HashMap<String,Object>(); params.put("name","Alice Smith"); ESDatas<Company> escompanys = clientUtil.searchList("company...
由于上面两点,所以选择了官方推出的 Java 客户端 elasticsearch-rest-high-level-client,它的代码写法跟 DSL 语句很相似,懂 ES 查询的使用其上手很快。 1、Maven引入相关依赖 <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</art...
SearchSourceBuilder searchSourceBuilder=newSearchSourceBuilder(); searchSourceBuilder.query(newMatchQueryBuilder("settleId", settleId)); searchRequest.source(searchSourceBuilder); SearchResponse response=restHighLevelClient.search(searchRequest, RequestOptions.DEFAULT); SearchHit[] hits= response.getHits().g...
在kibana控制台查询 GET multi_query_index/_search { "query": { "multi_match": { "type": "phrase", "query": "barking dogs", "fields": ["title","body"] } } } 高级客户端RestHighLevelClient MultiMatchQueryBuilder multiMatchQueryBuilder = QueryBuilders.multiMatchQuery("barking dogs", "...
本项目基于SpringBoot 2.3,ElasticSearch 7.7.1,同时使用es官网提供的 elasticsearch-rest-high-level-client 客户端,快速搭建一个简单的博客搜索系统。 1.1 检索场景 1、根据 title 、content 、tag 进行简单检索,使用rescore利用match_phrase进行相关度控制; ...
Java中构造ES请求的方式:(后续例子中只保留SearchSourceBuilder的构建语句) /** *term精确查询 * *@throwsIOException */@AutowiredprivateRestHighLevelClientclient;@TestpublicvoidqueryTerm()throwsIOException{//根据索引创建查询请求SearchRequestsearchRequest=newSearchRequest("person"); ...
Elasticsearch-Rest-Client(elasticsearch-rest-high-level-client) 在这里插入图片描述 在这里插入图片描述 1、SpringBoot整合 1)在pafcmall项目中新添加一个模块pafcmall-search,当然你也可以,单独创建一个项目 在这里插入图片描述 使用spring 启动器创建:
// 传统方式, 直接用RestHighLevelClient进行查询 需要11行代码,还不包含解析JSON代码String indexName ="document"; SearchRequest searchRequest =newSearchRequest(indexName); BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery(); TermQueryBuilder titleTerm = QueryBuilders.termQuery("title","中国功夫...
Java 中构造 ES 请求的方式:(后续例子中只保留 SearchSourceBuilder 的构建语句) 代码语言:javascript 复制 /** * term精确查询 * * @throws IOException */@AutowiredprivateRestHighLevelClient client;@TestpublicvoidqueryTerm()throws IOException{// 根据索引创建查询请求SearchRequest searchRequest=newSearchRequest...