• ELK入门(二）- springboot整合ES

    springboot整合elasticsearch

    引用依赖

    
<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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>com.ohb.springbootgroupId>
    <artifactId>springboot-esartifactId>
    <version>1.0-SNAPSHOTversion>

    <properties>
        <maven.compiler.source>8maven.compiler.source>
        <maven.compiler.target>8maven.compiler.target>
        <project.knife4j.version>4.0.0project.knife4j.version>
    properties>

    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>2.6.13version>
    parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-data-elasticsearchartifactId>
        dependency>
        
        

        <dependency>
            <groupId>org.projectlombokgroupId>
            <artifactId>lombokartifactId>
            <version>1.18.24version>
        dependency>

        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-testartifactId>
            <scope>testscope>
        dependency>

        <dependency>
            <groupId>junitgroupId>
            <artifactId>junitartifactId>
            <version>4.12version>
            <scope>testscope>
        dependency>
    dependencies>

project>

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    配置文件(application.yml)

    spring:
  elasticsearch:
    uris: http://192.168.198.129:9200
  data:
    elasticsearch:
      repositories:
        enabled: true

  application:
    name: springboot-es
server:
  port: 9070

knife4j:
  enable: true
  openapi:
    title: knife4测试elasticsearch
    description: 测试接口
    email: hbo@djs.com
    concat: ohb


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    配置类

    package com.ohb.springboot.es.config;


import org.elasticsearch.client.RestHighLevelClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.elasticsearch.client.ClientConfiguration;
import org.springframework.data.elasticsearch.client.RestClients;
import org.springframework.data.elasticsearch.config.AbstractElasticsearchConfiguration;

/**
 * Elasticsearch配置
 */
public class ElasticsearchConfig extends AbstractElasticsearchConfiguration {

    @Value("${spring.elasticsearch.uris}")
    private String uris;

    @Override
    public RestHighLevelClient elasticsearchClient() {
       ClientConfiguration configuration=
               ClientConfiguration.builder()
                       .connectedTo(uris)
                       .build();
       return RestClients.create(configuration).rest();
    }
}

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    文档类

    package com.ohb.springboot.es.entity;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.DateFormat;
import org.springframework.data.elasticsearch.annotations.Document;
import org.springframework.data.elasticsearch.annotations.Field;
import org.springframework.data.elasticsearch.annotations.FieldType;

import java.math.BigDecimal;
import java.time.LocalDate;

/**
 * 创建文档实体类
 */
@Data
@NoArgsConstructor
@AllArgsConstructor
@Document(indexName = "book_index",createIndex = true)
public class BookDoc {
    @Id
    @Field(type = FieldType.Text)
    private String id;

    @Field(type = FieldType.Text)
    private String title;

    @Field(type = FieldType.Text)
    private String author;

    @Field(type = FieldType.Text)
    private String publisher;

    @Field(type = FieldType.Double)
    private BigDecimal price;

    @Field(type = FieldType.Text)
    private String content;

 	@Field(type = FieldType.Date,format = DateFormat.year_month_day)
    @JsonFormat(pattern = "yyyy-MM-dd",timezone = "GMT+8")
    private LocalDate publishDate;  //此处要使用LocalDate类型，否则会报转换错误
}

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    DTO类

    package com.ohb.springboot.es.dto;

import io.swagger.annotations.ApiModel;
import io.swagger.annotations.ApiModelProperty;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.Date;

@Data
@NoArgsConstructor
@AllArgsConstructor
@ApiModel("DTO")
public class HttpResp {
    @ApiModelProperty("DTO返回代码")
    private int code;

    @ApiModelProperty("DTO返回信息")
    private String msg;

    @ApiModelProperty("dto返回时间")
    private Date time;

    @ApiModelProperty("dto返回数据")
    private Object results;
}

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    定义elasticsearch操作数据接口

    package com.ohb.springboot.es.dao;


import com.ohb.springboot.es.entity.BookDoc;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;

public interface IBookRepository extends ElasticsearchRepository<BookDoc,String> {
}


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    image-20230311112826280

    服务层接口(service)

    接口
    package com.ohb.springboot.es.service;
import com.ohb.springboot.es.entity.BookDoc;

import java.util.List;

public interface IBookService {

    List<BookDoc> findAll();
    void addBookDoc(BookDoc bookDoc);
}


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    实现类
    package com.ohb.springboot.es.service.impl;

import com.ohb.springboot.es.dao.IBookDocRepository;
import com.ohb.springboot.es.entity.BookDoc;
import com.ohb.springboot.es.service.IBookService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;

@Service
public class BookServiceImpl implements IBookService {

    @Autowired
    private IBookDocRepository ibdr;

    /**
     转换为List集合
     */
    @Override
    public List<BookDoc> findAll() {
        List<BookDoc> list = new ArrayList<>();
        ibdr.findAll().forEach((bc) -> list.add(bc));
        return list;
    }

    @Override
    public void addBookDoc(BookDoc bookDoc) {
    }
}


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    控制层(controller)

    package com.ohb.springboot.es.controller;

import com.ohb.springboot.es.dto.HttpResp;
import com.ohb.springboot.es.service.IBookService;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;
@Api(tags = "图书接口类")
@RestController
@RequestMapping("/book/api")
public class BookController {

    @Autowired
    private IBookService ibs;

    @ApiOperation("查询所有图书信息")
    @GetMapping("/findAllBooks")
    public HttpResp findAllBooks() {
      return new HttpResp(20001, "查询所有图书成功", new Date(), ibs.findAll());
    }
}

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    测试

    package com.ohb.springboot.es.dao;

import com.ohb.springboot.es.entity.Book;
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.test.context.junit4.SpringJUnit4ClassRunner;

import java.math.BigDecimal;
import java.time.LocalDate;

import static org.junit.Assert.*;

@SpringBootTest
@RunWith(SpringJUnit4ClassRunner.class)
public class IBookRepositoryTest {

    @Autowired
    private IBookRepository bookRepository;

    @Test
    public void saveBook(){
            bookRepository.save(new BookDoc("wnhz001","西游记","吴承恩","神话出版社", BigDecimal.valueOf(33.5),"历经千险,终成大道", LocalDate.now()));
    }

    @Test
    public void findAll(){
        bookRepository.findAll().forEach(System.out::println);
    }

}

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     .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::               (v2.6.13)

2023-03-08 17:25:50.048  INFO 6936 --- [           main] c.o.s.es.dao.IBookRepositoryTest         : Starting IBookRepositoryTest using Java 1.8.0_311 on XTZJ-20220114OE with PID 6936 (started by Administrator in D:\wnhz-workspace\springboot\springboot-es)
2023-03-08 17:25:50.053  INFO 6936 --- [           main] c.o.s.es.dao.IBookRepositoryTest         : No active profile set, falling back to 1 default profile: "default"
2023-03-08 17:25:51.683  INFO 6936 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Elasticsearch repositories in DEFAULT mode.
2023-03-08 17:25:51.824  INFO 6936 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 128 ms. Found 1 Elasticsearch repository interfaces.
2023-03-08 17:25:51.840  INFO 6936 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data Reactive Elasticsearch repositories in DEFAULT mode.
2023-03-08 17:25:51.847  INFO 6936 --- [           main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 6 ms. Found 0 Reactive Elasticsearch repository interfaces.
2023-03-08 17:25:58.622  WARN 6936 --- [/O dispatcher 1] org.elasticsearch.client.RestClient      : request [GET http://192.168.198.129:9200/] returned 1 warnings: [299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "Elasticsearch built-in security features are not enabled. Without authentication, your cluster could be accessible to anyone. See https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-minimal-setup.html to enable security."]
2023-03-08 17:25:58.910  WARN 6936 --- [           main] org.elasticsearch.client.RestClient      : request [HEAD http://192.168.198.129:9200/book_index?ignore_throttled=false&ignore_unavailable=false&expand_wildcards=open%2Cclosed&allow_no_indices=false] returned 2 warnings: [299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "Elasticsearch built-in security features are not enabled. Without authentication, your cluster could be accessible to anyone. See https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-minimal-setup.html to enable security."],[299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "[ignore_throttled] parameter is deprecated because frozen indices have been deprecated. Consider cold or frozen tiers in place of frozen indices."]
2023-03-08 17:25:59.096  INFO 6936 --- [           main] c.o.s.es.dao.IBookRepositoryTest         : Started IBookRepositoryTest in 10.118 seconds (JVM running for 13.203)
2023-03-08 17:25:59.977  WARN 6936 --- [           main] org.elasticsearch.client.RestClient      : request [POST http://192.168.198.129:9200/book_index/_search?typed_keys=true&max_concurrent_shard_requests=5&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&ignore_throttled=true&search_type=query_then_fetch&batched_reduce_size=512] returned 2 warnings: [299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "Elasticsearch built-in security features are not enabled. Without authentication, your cluster could be accessible to anyone. See https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-minimal-setup.html to enable security."],[299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "[ignore_throttled] parameter is deprecated because frozen indices have been deprecated. Consider cold or frozen tiers in place of frozen indices."]
2023-03-08 17:26:00.235  WARN 6936 --- [           main] org.elasticsearch.client.RestClient      : request [POST http://192.168.198.129:9200/book_index/_search?typed_keys=true&max_concurrent_shard_requests=5&ignore_unavailable=false&expand_wildcards=open&allow_no_indices=true&ignore_throttled=true&search_type=query_then_fetch&batched_reduce_size=512] returned 2 warnings: [299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "Elasticsearch built-in security features are not enabled. Without authentication, your cluster could be accessible to anyone. See https://www.elastic.co/guide/en/elasticsearch/reference/7.17/security-minimal-setup.html to enable security."],[299 Elasticsearch-7.17.7-78dcaaa8cee33438b91eca7f5c7f56a70fec9e80 "[ignore_throttled] parameter is deprecated because frozen indices have been deprecated. Consider cold or frozen tiers in place of frozen indices."]


Book(id=wnhz001, title=西游记, author=吴承恩, publisher=神话出版社, price=33.5, content=历经千险,终成大道, publishDate=Wed Mar 08 17:25:39 CST 2023)

Process finished with exit code 0


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    image-20230308173855180

    • knife4测试

    image-20230311122456638

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  • 原文地址：https://blog.csdn.net/qq_36115196/article/details/136196062