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version: '3'

services:
  elasticsearch:
    image: elasticsearch:8.1.0
    container_name: elasticsearch
    restart: unless-stopped
    # volumes:
    #   - "./elasticsearch/data:/usr/share/elasticsearch/data"
    #   - "./elasticsearch/logs:/usr/share/elasticsearch/logs"
    #   - "./elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml"
    environment: 
      TZ: Asia/Shanghai
      LANG: en_US.UTF-8
      discovery.type: single-node
      ES_JAVA_OPTS: "-Xmx512m -Xms512m"
      ELASTIC_PASSWORD: "123456"
    ports:
      - "9200:9200"
      - "9300:9300"
    networks:
      - es

  # kibana:
  #   image: registry.cn-hangzhou.aliyuncs.com/zhengqing/kibana:7.14.1       # 原镜像`kibana:7.14.1`
  #   container_name: kibana
  #   restart: unless-stopped
  #   volumes:
  #     - ./elasticsearch/kibana/config/kibana.yml:/usr/share/kibana/config/kibana.yml
  #   ports:
  #     - "5601:5601"
  #   depends_on:
  #     - elasticsearch
  #   links:
  #     - elasticsearch
  #   networks:
  #     - es

networks:
  es:
    driver: bridge

1

docker-compose up -d

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<dependencies>

    <dependency>
        <groupId>co.elastic.clients</groupId>
        <artifactId>elasticsearch-java</artifactId>
        <version>8.13.1</version>
    </dependency>

    <dependency>
        <groupId>org.elasticsearch.client</groupId>
        <artifactId>elasticsearch-rest-client</artifactId>
        <version>8.13.1</version>
        <scope>compile</scope>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.17.0</version>
    </dependency>

    <dependency>
        <groupId>jakarta.json</groupId>
        <artifactId>jakarta.json-api</artifactId>
        <version>2.0.1</version>
    </dependency>

</dependencies>

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server:
  port: 9010

spring:
  elasticsearch:
    uris: https://192.168.20.152:9200
#    password: b3M*r6f3bs+qAmsRTlAu
    username: elastic
    password: 123456
  #    password: buWFYsXinLs0ElvZ47UB
  servlet:
    multipart:
      max-file-size: 10000MB
      max-request-size: 10000MB

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@Slf4j
@Component
public class Config {

    @Autowired
    ElasticsearchProperties elasticsearchProperties;

    @Bean
    public ElasticsearchClient getRestClientByPassword() throws NoSuchAlgorithmException, KeyStoreException, KeyManagementException {
        // URL and API key
        String serverUrl = elasticsearchProperties.getUris().get(0);
        String username = elasticsearchProperties.getUsername();
        String password = elasticsearchProperties.getPassword();

        final CredentialsProvider credentialsProvider =
                new BasicCredentialsProvider();
        credentialsProvider.setCredentials(AuthScope.ANY,
                new UsernamePasswordCredentials(username, password));

        SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, (arg0, arg1) -> true).build();
        RestClientBuilder builder = RestClient.builder(HttpHost.create(serverUrl))
                .setHttpClientConfigCallback(httpClientBuilder -> {
                    httpClientBuilder.setSSLContext(sslContext)
                            .setSSLHostnameVerifier((s, sslSession) -> true)
                            .setDefaultCredentialsProvider(credentialsProvider);
                    return httpClientBuilder;
                });
        try {
            RestClient restClient = builder.build();
            ElasticsearchTransport transport = new RestClientTransport(restClient, new JacksonJsonpMapper());
            ElasticsearchClient client = new ElasticsearchClient(transport);
            if (client.ping().value()) {
                log.info("-----------------初始化 es 客户端成功！-----------------");
                return client;
            }
        } catch (Exception e) {
            throw new RuntimeException("初始化 es 客户端失败！", e);
        }
        return null;
    }
}

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package com.gear.poi.search.es.dao;

import cn.hutool.core.lang.Snowflake;
import co.elastic.clients.elasticsearch.ElasticsearchClient;
import co.elastic.clients.elasticsearch._types.GeoDistanceType;
import co.elastic.clients.elasticsearch.core.GetResponse;
import co.elastic.clients.elasticsearch.core.IndexResponse;
import co.elastic.clients.elasticsearch.core.SearchResponse;
import co.elastic.clients.elasticsearch.core.bulk.BulkOperation;
import co.elastic.clients.elasticsearch.core.search.Hit;
import co.elastic.clients.elasticsearch.indices.CreateIndexResponse;
import co.elastic.clients.transport.endpoints.BooleanResponse;
import com.gear.poi.search.es.dto.BaseDTO;
import com.gear.poi.search.es.dto.PoiDTO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.locationtech.jts.geom.Point;
import org.springframework.stereotype.Component;
import org.springframework.util.CollectionUtils;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@Component
@RequiredArgsConstructor
public class EsPoiRepository {

    private final ElasticsearchClient esClient;

    /**
     * 雪花ID
     */
    private final Snowflake snowflake = new Snowflake(1, 1);


    /**
     * 创建索引
     *
     * @param index 指数
     * @return {@link Boolean}
     */
    public Boolean createIndexWithPointField(String index, String pointFieldName) {
        try {
            CreateIndexResponse response = esClient.indices().create(c -> c
                    .index(index)
                    .mappings(m -> m.properties(pointFieldName, p -> p.geoPoint(g -> g.ignoreZValue(true))))
            );
        } catch (Exception e) {
            log.warn("创建索引失败", e);
            return false;
        }
        return true;
    }

    /**
     * 删除索引
     *
     * @param index 指数
     * @return {@link Boolean}
     */
    public Boolean deleteIndex(String index) {
        try {
            esClient.indices().delete(d -> d
                    .index(index)
            );
        } catch (Exception e) {
            log.warn("删除索引失败", e);
            return false;
        }
        return true;
    }

    /**
     * 存在索引
     *
     * @param index 指数
     * @return {@link Boolean}
     */
    public Boolean existsIndex(String index) {
        try {
            BooleanResponse exists = esClient.indices().exists(d -> d
                    .index(index)
            );
            return exists.value();
        } catch (Exception e) {
            log.warn("查询索引失败", e);
            return false;
        }
    }

    /**
     * 插入文档
     *
     * @param t t
     * @return long
     */
    public <T extends BaseDTO> long insertDoc(String index, T t) {
        IndexResponse response = null;
        if (t.getId() == null) {
            t.setId(snowflake.nextIdStr());
        }
        try {
            response = esClient.index(i -> i
                    .index(index)
                    .id(t.getId())
                    .document(t)
            );
        } catch (Exception e) {
            log.warn("插入文档失败", e);
        }
        return response.version();
    }

    /**
     * 获取文档
     *
     * @param index  指数
     * @param id     身份证件
     * @param tClass t类
     * @return {@link T}
     */
    public <T extends BaseDTO> T getDoc(String index, String id, Class<T> tClass) {
        try {
            GetResponse<T> response = esClient.get(g -> g
                            .index(index)
                            .id(id),
                    tClass
            );
            if (response.found()) {
                return response.source();
            } else {
                log.warn("未查询到文档");
            }
        } catch (Exception e) {
            log.warn("查询文档失败", e);
        }
        return null;
    }

    /**
     * 搜索文档
     *
     * @param index      指数
     * @param fieldName  字段名称
     * @param searchText 搜索文本
     * @param tClass     t类
     * @return {@link List}<{@link T}>
     */
    public <T> List<T> searchDocs(String index, String fieldName, String searchText, Class<T> tClass) {
        SearchResponse<T> response = null;
        try {
            response = esClient.search(s -> s
                            .index(index)
                            .query(q -> q
                                    .match(t -> t
                                            .field(fieldName)
                                            .query(searchText)
                                    )
                            ),
                    tClass
            );
            return response.hits().hits().stream().map(Hit::source).collect(Collectors.toList());
        } catch (Exception e) {
            log.warn("查询文档失败", e);
        }
        return new ArrayList<>();
    }

    /**
     * 更新文档
     *
     * @param index  指数
     * @param t      t
     * @param tClass t类
     * @return boolean
     */
    public <T extends BaseDTO> boolean updateDoc(String index, T t, Class<T> tClass) {
        try {
            esClient.update(u -> u
                            .index(index)
                            .id(t.getId())
                            .upsert(t),
                    tClass
            );
            return true;
        } catch (Exception e) {
            log.warn("更新文档失败", e);
            return false;
        }
    }

    /**
     * 删除单据
     *
     * @param index 指数
     * @param id    身份证件
     * @return boolean
     */
    public <T extends BaseDTO> boolean deleteDoc(String index, String id) {
        try {
            esClient.delete(d -> d
                    .index(index)
                    .id(id)
            );
            return true;
        } catch (Exception e) {
            log.warn("删除文档失败", e);
            return false;
        }
    }

    public <T> List<T> searchByDistance(String index, Point pos, Double distance, Class<T> tClass) {
        try {
            SearchResponse<T> response = esClient.search(s -> s
                            .index(index)
                            .query(q -> q
                                    .bool(b -> b
                                            .must(m -> m.matchAll(m2 -> m2))
                                            .filter(f -> f.geoDistance(
                                                    g -> g.distance(String.valueOf(distance))
                                                            .distanceType(GeoDistanceType.Arc)
                                                            .field("location")
                                                            .location(l -> l
                                                                    .latlon(l2 -> l2
                                                                            .lat(pos.getY())
                                                                            .lon(pos.getX())
                                                                    )
                                                            )
                                            ))
                                    )
                            ),
                    tClass
            );
            return response.hits().hits().stream().map(Hit::source).collect(Collectors.toList());
        } catch (Exception e) {
            log.warn("查询文档失败", e);
        }
        return new ArrayList<>();
    }

    public boolean saveAllAndFlush(String index, List<PoiDTO> poiEntityList) {
        if (CollectionUtils.isEmpty(poiEntityList)) {
            return false;
        }
        List<BulkOperation> bulkOperations = new ArrayList<>();
        for (PoiDTO poiDTO : poiEntityList) {
            bulkOperations.add(BulkOperation.of(b -> b
                            .index(i -> i
                                    .index(index)
                                    .document(poiDTO)
                                    .id(poiDTO.getId())
                            )
                    )
            );
        }
        try {
            esClient.bulk(b -> b.operations(bulkOperations));
            return true;
        } catch (IOException e) {
            log.warn("批量插入文档失败", e);
            return false;
        }
    }
}