spring-boot 2.3.0.RELEASE elasticsearch 7.6.2

莫问来处：https://docs.spring.io/spring-data/elasticsearch/docs/4.0.0.RELEASE/reference/html/#elasticsearch.clients.rest

项目源码：https://github.com/ylanhds/spring-elasticSearch

项目结构：

pom.xml

    <properties>
        <java.version>11</java.version>
        <elasticsearch.version>7.6.2</elasticsearch.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
            <exclusions>
                <exclusion>
                    <groupId>org.junit.vintage</groupId>
                    <artifactId>junit-vintage-engine</artifactId>
                </exclusion>
            </exclusions>
        </dependency>
    </dependencies>

配置

package com.fablen.elasticsearch.config;

import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.RestClients;
import org.springframework.data.elasticsearch.config.AbstractElasticsearchConfiguration;
/**
 *
 * @author zhangbaosheng
 */
@Configuration
public class ElasticSearchClientConfig extends AbstractElasticsearchConfiguration {

    @Bean
    @Override
    public RestHighLevelClient elasticsearchClient() {

        final ClientConfiguration clientConfiguration = ClientConfiguration.builder()
                .connectedTo("122.152.213.179:9200")
                .build();

        return RestClients.create(clientConfiguration).rest();
    }
}

package com.fablen.elasticsearch.entity;

import lombok.Data;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;

/**
 * @author zhangbaosheng
 */
@Data
@Document(indexName = "index_book")
public class Book {
    @Field
    private int id;
    private String name;
}

package com.fablen.elasticsearch.repository;


import com.fablen.elasticsearch.entity.Book;
import org.springframework.data.repository.CrudRepository;

/**
 * @author zhangbaosheng
 */
public interface BookRepository extends CrudRepository<Book, Long> {

}

最后 测试

结果