springboot整合elasticsearch

引入依赖

<dependency>
    <groupId>junit</groupId>
    <artifactId>junit</artifactId>
    <version>4.12</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
    <version>2.7.18</version>
</dependency>

<dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
    <version>1.18.24</version>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-test</artifactId>
    <version>2.7.18</version>
    <scope>test</scope>
</dependency>

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter</artifactId>
    <version>2.7.18</version>
</dependency>

application.properties

spring.elasticsearch.rest.uris=http://127.0.0.1:9200
spring.data.elasticsearch.repositories.enabled=true

Repository

package com.elastictsearch.repository;

import com.elastictsearch.Article;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface ArticleRepository extends ElasticsearchRepository<Article, String> {

    // 根据作者名称分页搜索
    Page<Article> findByAuthorsName(String name, Pageable pageable);

    Page<Article> findArticleByTitle(String title, Pageable pageable);

    int deleteArticleByTitle(String title);
}

测试类

package com;

import com.elastictsearch.Article;
import com.elastictsearch.Author;
import com.elastictsearch.repository.ArticleRepository;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.Arrays;

@SpringBootTest
@RunWith(SpringRunner.class)
public class EsTest {

    @Autowired
    private ArticleRepository articleRepository;

    @Autowired
    private ElasticsearchRestTemplate elasticsearchRestTemplate;

    // 使用repository实现的增删改查
    @Test
    public void testSave() {
        Article article = new Article("Spring Data ElasticSearch");
        article.setAuthors(Arrays.asList(new Author("god"), new Author("john")));
        articleRepository.save(article);
        article = new Article("Spring Data ElasticSearch2");
        article.setAuthors(Arrays.asList(new Author("god"), new Author("king")));
        articleRepository.save(article);

        article = new Article("Spring Data ElasticSearch3");
        article.setAuthors(Arrays.asList(new Author("god"), new Author("Bill")));
        articleRepository.save(article);
    }

    @Test
    public void testSelect() {
        Page<Article> god = articleRepository.findByAuthorsName("god", PageRequest.of(0, 10));
        for (Article article: god) {
            System.out.println("11111" + article);
            for (Author author : article.getAuthors()) {
                System.out.println("222222" + author.getName());

            }
        }
    }

    @Test
    public void testSelect2() {
        Page<Article> god = articleRepository.findArticleByTitle("Spring Data ElasticSearch2", PageRequest.of(0, 10));
        for (Article article: god) {
            System.out.println("11111" + article);
            for (Author author : article.getAuthors()) {
                System.out.println("222222" + author.getName());

            }
        }
    }

    @Test
    public void testUpdate() {
        Page<Article> god = articleRepository.findArticleByTitle("Spring Data ElasticSearch2", PageRequest.of(0, 10));
        Article article1 = god.getContent().get(0);
        System.out.println("article1=" + article1);
        Author author = new Author("chali");
        article1.setAuthors(Arrays.asList(author));
        articleRepository.save(article1);
    }

    @Test
    public void testDeletge() {
        Page<Article> god = articleRepository.findArticleByTitle("Spring Data ElasticSearch2", PageRequest.of(0, 10));
        Article article1 = god.getContent().get(0);
        System.out.println("article1=" + article1);
        articleRepository.delete(article1);
    }

    @Test
    public void deleteByTitle() {
        int i = articleRepository.deleteArticleByTitle("Spring Data ElasticSearch");
        System.out.println("deleteByTitle=" + i);
    }
}

遇到的问题

报错

1. Attribute ‘proxyBeanMethods’ in annotation [```] is declared as an @AliasFor nonexistent attribute
2. 类文件具有错误的版本 61.0, 应为 52.0

以上两个问题都是因为版本，第一个百度说是spring-context的版本问题，第二个是springboot版本问题，需要降到3.0以下