SpringBoot--整合Elasticsearch

引入依赖

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.0.0.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>pers.zhang</groupId>
    <artifactId>sb_elasticsearch</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>sb_elasticsearch</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>

配置

application.yml

spring:
  data:
    elasticsearch:
      cluster-name: elasticsearch
      cluster-nodes: 127.0.0.1:9300
      repositories:
        enabled: true

启动类

@SpringBootApplication
@EnableElasticsearchRepositories(basePackages = "pers.zhang")
public class SbElasticsearchApplication {

    public static void main(String[] args) {
        SpringApplication.run(SbElasticsearchApplication.class, args);
    }

}

实体类

package pers.zhang.sb_elasticsearch.entity;

import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;

/**
 * @Author: acton_zhang
 * @Date: 2020/3/14 3:30 下午
 * @Version 1.0
 */
@Document(indexName = "index-article", type = "article")
public class Article {

    @Id
    @Field(type = FieldType.Long, store = true)
    private Long id;

    @Field(type = FieldType.text, store = true, analyzer = "ik_smart")
    private String title;

    @Field(type = FieldType.text, store = true, analyzer = "ik_smart")
    private String content;

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    @Override
    public String toString() {
        return "Article{" +
                "id=" + id +
                ", title='" + title + '\'' +
                ", content='" + content + '\'' +
                '}';
    }
}

Repository

public interface ArticleRepository extends ElasticsearchRepository<Article, Long> {

    //根据标题进行查询
    List<Article> findByTitle(String title);

    List<Article> findByTitleOrContent(String title, String context);

    List<Article> findByTitleOrContent(String title, String context, Pageable pageable);
}

测试

@SpringBootTest(classes = SbElasticsearchApplication.class)
@RunWith(SpringJUnit4ClassRunner.class)
public class SbElasticsearchApplicationTests {

    @Autowired
    ArticleRepository articleRepository;

    @Autowired
    ElasticsearchTemplate elasticsearchTemplate;

    @Test
    public void createIndex() {
        elasticsearchTemplate.createIndex(Article.class);
    }

    @Test
    public void addDocument () {
        Article article = new Article();
        article.setId(3l);
        article.setTitle("Maven对象模型");
        article.setContent("佛教圣地六块腹肌塑料袋放假了撒");
        articleRepository.save(article);
    }

    @Test
    //查询所有
    public void findAll () {
        Iterable<Article> all = articleRepository.findAll();
        all.forEach( a -> System.out.println(a));
    }

    @Test
    //根据id查询
    public void findById () {
        Optional<Article> byId = articleRepository.findById(1l);
        System.out.println(byId.get());
    }

    @Test
    public void findByTitle () {
        List<Article> list = articleRepository.findByTitle("对象");
        list.forEach( a -> System.out.println(a));
    }

    @Test
    //多条件查询
    public void findByTitleOrContent () {
        List<Article> list = articleRepository.findByTitleOrContent("ddd", "放假");
        list.forEach( a -> System.out.println(a));
    }

    @Test
    //分页查询
    public void findByPage () {
        Pageable pageable = PageRequest.of(0, 2);
        List<Article> list = articleRepository.findByTitleOrContent("ddd", "放假", pageable);
        list.forEach( a -> System.out.println(a));
    }

    //原生查询
    @Test
    public void testNativeSearchQuery () {
        NativeSearchQuery query = new NativeSearchQueryBuilder()
                .withQuery(QueryBuilders.queryStringQuery("佛放假").defaultField("content"))
                .withPageable(PageRequest.of(0, 5))
                .build();
        List<Article> articles = elasticsearchTemplate.queryForList(query, Article.class);
        articles.forEach(a -> System.out.println(a));
    }

    @Test
    public void deleteById () {
        articleRepository.deleteById(1l);
    }
}