前言

本节实现条件查询中的模糊查询，高亮查询

实现

ESTest_Doc_Cond_Query_Fuzzy.java

package com.zwy.es;

import org.apache.http.HttpHost;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.RangeQueryBuilder;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.builder.SearchSourceBuilder;

import java.io.IOException;

public class ESTest_Doc_Cond_Query_Fuzzy {
    public static void main(String[] args) throws IOException {

        //
        RestHighLevelClient esClient = new RestHighLevelClient(
                RestClient.builder(new HttpHost("localhost", 9200, "http"))
        );

        // 模糊查询数据
        SearchRequest request = new SearchRequest();
        request.indices("users");

        SearchSourceBuilder builer = new SearchSourceBuilder();
        builer.query(QueryBuilders.fuzzyQuery("name", "王五").fuzziness(Fuzziness.ONE));

        request.source(builer);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());  // 打印
        System.out.println(response.getTook());  // 打印

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }

        // 关闭ES客户端
        esClient.close();

    }
}

ESTest_Doc_Cond_Query_Highlight.java

package com.zwy.es;

import org.apache.http.HttpHost;
import org.elasticsearch.action.search.SearchRequest;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.unit.Fuzziness;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.TermQueryBuilder;
import org.elasticsearch.search.SearchHit;
import org.elasticsearch.search.SearchHits;
import org.elasticsearch.search.builder.SearchSourceBuilder;
import org.elasticsearch.search.fetch.subphase.highlight.HighlightBuilder;

import java.io.IOException;

public class ESTest_Doc_Cond_Query_Highlight {
    public static void main(String[] args) throws IOException {

        //
        RestHighLevelClient esClient = new RestHighLevelClient(
                RestClient.builder(new HttpHost("localhost", 9200, "http"))
        );

        // 模糊查询数据
        SearchRequest request = new SearchRequest();
        request.indices("users");

        SearchSourceBuilder builer = new SearchSourceBuilder();
        TermQueryBuilder termQueryBuilder = QueryBuilders.termQuery("name", "张三");

        HighlightBuilder highlightBuilder = new HighlightBuilder();
        highlightBuilder.preTags("<font color='red'>");
        highlightBuilder.postTags("</font>");
        highlightBuilder.field("name");

        builer.highlighter(highlightBuilder);
        builer.query(termQueryBuilder);

        request.source(builer);
        SearchResponse response = esClient.search(request, RequestOptions.DEFAULT);

        SearchHits hits = response.getHits();

        System.out.println(hits.getTotalHits());  // 打印
        System.out.println(response.getTook());  // 打印

        for (SearchHit hit : hits) {
            System.out.println(hit.getSourceAsString());
        }

        // 关闭ES客户端
        esClient.close();

    }
}

文件结构

运行

ESTest_Doc_Cond_Query_Fuzzy.java

ESTest_Doc_Cond_Query_Highlight.java