环境准备

安装包下载地址:
https://pan.baidu.com/s/16JuTiH-wOXqKoSgAPYUbFA
提取码: tqs2

搭建步骤

1. 安装elasticsearch

开启后不要关闭dos窗口

解压缩el 安装包
启动 elasticsearch-> 双击 D:\java\elasticsearch-6.2.2\bin\elasticsearch.bat

2. 安装kibana

开启后不要关闭dos窗口

解压缩kibana
运行kibana -> D:\java\kibana-6.2.2-windows-x86_64\bin\kibana.bat
访问路径: http://localhost:5601

3. 创建项目测试

注: 利用
项目树目录:

maven 依赖包

<dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.data</groupId>
        <artifactId>spring-data-elasticsearch</artifactId>
        <version>3.1.11.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

配置文件 -> application.yml

elasticsearch:
	  cluster:
	    name: elasticsearch
	  ip: localhost
	  port: 9300
	  pool: 5

springboot config装配类 -> ElasticSearchConfig

package com.zc.elasticsearch.config;

import java.net.InetAddress;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;


@Configuration
public class ElasticSearchConfig {

    @Value("${elasticsearch.ip}")
    private String hostName;

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

    @Value("${elasticsearch.cluster.name}")
    private String clusterName;

    @Value("${elasticsearch.pool}")
    private String poolSize;

    /**
     * 构建TransportClient对象
     */
    @Bean(name = "transportClient")
    public TransportClient transportClient() {
        TransportClient transportClient = null;
        try {
            // 配置信息
            Settings esSetting = Settings.builder()
                    //集群名字
                    .put("cluster.name", clusterName)
                    //增加嗅探机制，找到ES集群
                    .put("client.transport.sniff", true)
                    //增加线程池个数，暂时设为5
                    .put("thread_pool.search.size", Integer.parseInt(poolSize)).build();
            //配置信息Settings自定义
            transportClient = new PreBuiltTransportClient(esSetting);
            TransportAddress transportAddress = new TransportAddress(InetAddress.getByName(hostName), Integer.valueOf(port));
            transportClient.addTransportAddresses(transportAddress);
        } catch (Exception e) {
            System.out.println(e);
        }
        return transportClient;
    }

    /**
     * 构建ElasticsearchTemplate对象
     */
    @Bean
    public ElasticsearchOperations elasticsearchTemplate() {
        Client client = transportClient();
        if (client != null) {
            return new ElasticsearchTemplate(client);
        } else {
            //弹出异常对象
            throw new RuntimeException("初始化Elasticsearch失败!");
        }
    }

}

controller -> BookController

package com.zc.elasticsearch.contoller;


import org.elasticsearch.action.get.GetResponse;
import org.elasticsearch.action.index.IndexResponse;
import org.elasticsearch.action.search.SearchRequestBuilder;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.index.query.BoolQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.RangeQueryBuilder;
import org.elasticsearch.search.SearchHit;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/book")
public class BookController {

    @Autowired
    private TransportClient transportClient;

    /**
     * 添加博客索引信息
     */
    @PostMapping("/add")
        public ResponseEntity add(@RequestParam(name = "title") String title, @RequestParam(name = "author") String author, @RequestParam(name = "word_count") int wordCount,
            @RequestParam(name = "publish_date") @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss") Date publishDate) {
        try {
            XContentBuilder content = XContentFactory.jsonBuilder().startObject().field("title", title).field("author", author).field("word_count", wordCount)
                    .field("publish_date", publishDate.getTime()).endObject();
            IndexResponse result = this.transportClient.prepareIndex("blogs", "blog").setSource(content).get();
            return new ResponseEntity(result.getId(), HttpStatus.OK);
        } catch (Exception e) {
            e.printStackTrace();
            ;
            return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR);
        }
    }

    /**
     * 根据id查询
     */
    @GetMapping("/get")
    public ResponseEntity get(@RequestParam(name = "id", defaultValue = "") String id) {
        if (id.isEmpty()) {
            return new ResponseEntity((HttpStatus.NOT_FOUND));
        }
        GetResponse result = transportClient.prepareGet("blogs", "blog", id).get();
        if (!result.isExists()) {
            return new ResponseEntity((HttpStatus.NOT_FOUND));
        }
        return new ResponseEntity(result.getSource(), HttpStatus.OK);
    }

    /**
     * 按条件查询
     */
    @GetMapping("/query")
    public ResponseEntity query(@RequestParam(name = "author", required = false) String author, @RequestParam(name = "title", required = false) String title,
            @RequestParam(name = "gt_word_count", defaultValue = "0") int gtWordCount, @RequestParam(name = "lt_word_count", required = false) Integer ltWordCount) {
        //设置查询条件
        BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
        if (author != null) {
            boolQuery.must(QueryBuilders.matchQuery("author", author));
        }
        if (title != null) {
            boolQuery.must(QueryBuilders.matchQuery("title", title));
        }
        //按范围查询
        RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery("word_count").from(gtWordCount);
        if (ltWordCount != null && ltWordCount > 0) {
            rangeQuery.to(ltWordCount);
        }
        boolQuery.filter(rangeQuery);

        SearchRequestBuilder builder = this.transportClient.prepareSearch("blogs").setTypes("blog").setSearchType(SearchType.DFS_QUERY_THEN_FETCH).setQuery(boolQuery)
                //设置分页查询
                .setFrom(0).setSize(10);
        System.out.println(builder);

        SearchResponse response = builder.get();
        List<Map<String, Object>> result = new ArrayList<>();

        for (SearchHit hit : response.getHits()) {
            result.add(hit.getSourceAsMap());
        }
        return new ResponseEntity(result, HttpStatus.OK);
    }

}

实体类－＞ｉｔｅｍ

package com.zc.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;

@Document(indexName = "item",type = "docs", shards = 1, replicas = 0)
public class Item {
    @Id
    private Long id;

    @Field(type = FieldType.Text, analyzer = "ik_max_word")
    private String title; //标题

    @Field(type = FieldType.Keyword)
    private String category;// 分类

    @Field(type = FieldType.Keyword)
    private String brand; // 品牌

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

    @Field(index = false, type = FieldType.Keyword)
    private String images; // 图片地址
}