你想要拥有自己的搜索引擎吗？

curl -X PUT "localhost:9200/user/_doc/1" -H 'Content-Type: application/json' -d'
{
    "name" : "mary",
    "gender" : 0,
    "age" : 25
}

cluster.name: springboot-es-application
network.host: 192.168.1.100
http.port: 9200

* soft nofile 65536
* hard nofile 65536

vm.max_map_count=262144

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

    <groupId>com.primeton.example</groupId>
    <artifactId>primeton-elasticsearch-example</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>primeton-elasticsearch-example</name>
    <description></description>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
        <java.version>1.8</java.version>

        <elasticsearch.version>6.2.2</elasticsearch.version>
        <spring.data.elasticsearch.version>3.1.0.RELEASE</spring.data.elasticsearch.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.elasticsearch</groupId>
            <artifactId>elasticsearch</artifactId>
            <version>${elasticsearch.version}</version>
        </dependency>
        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>transport</artifactId>
            <version>${elasticsearch.version}</version>
        </dependency>
        <dependency>
            <groupId>org.elasticsearch.client</groupId>
            <artifactId>elasticsearch-rest-client</artifactId>
            <version>${elasticsearch.version}</version>
        </dependency>
        <dependency>
            <groupId>org.elasticsearch.plugin</groupId>
            <artifactId>transport-netty4-client</artifactId>
            <version>${elasticsearch.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-elasticsearch</artifactId>
            <version>${spring.data.elasticsearch.version}</version>
        </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-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>
        </dependency>
    </dependencies>

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

</project>

spring.data.elasticsearch.cluster-name=springboot-es-application
spring.data.elasticsearch.cluster-nodes=192.168.1.100:9300

package com.primeton.example.entity;

import lombok.Data;
import org.springframework.data.annotation.Id;
import org.springframework.data.elasticsearch.annotations.Document;

import java.io.Serializable;

@Data
@Document(indexName = "product")
public class Product implements Serializable {

    @Id
    private String productId;

    private String name;

    private String category;

    private Integer price;

    private String brand;

    private Integer stock;

}

package com.primeton.example.dao;

import com.primeton.example.entity.Product;
import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
import org.springframework.stereotype.Repository;

@Repository
public interface ProductRepository extends ElasticsearchRepository<Product, String> {

}

package com.primeton.example.service;

import com.primeton.example.entity.Product;
import org.springframework.data.domain.Page;

import java.util.List;

public interface ProductService {

    long count();

    Product save(Product product);

    void delete(Product product);

    Iterable<Product> getAll();

    List<Product> getByName(String name);

    Page<Product> pageQuery(Integer pageNo, Integer pageSize, String kw);

}

package com.primeton.example.service.impl;

import com.primeton.example.entity.Product;
import com.primeton.example.dao.ProductRepository;
import com.primeton.example.service.ProductService;
import org.elasticsearch.index.query.MatchQueryBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
import org.springframework.data.elasticsearch.core.query.SearchQuery;
import org.springframework.stereotype.Service;

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

@Service
public class ProductServiceImpl implements ProductService {

    @Autowired
    private ProductRepository ProductRepository;


    @Override
    public long count() {
        return ProductRepository.count();
    }

    @Override
    public Product save(Product product) {
        return ProductRepository.save(product);
    }

    @Override
    public void delete(Product product) {
        ProductRepository.delete(product);
    }

    @Override
    public Iterable<Product> getAll() {
        return ProductRepository.findAll();
    }

    @Override
    public List<Product> getByName(String name) {
        List<Product> list = new ArrayList<>();
        MatchQueryBuilder matchQueryBuilder = new MatchQueryBuilder("name", name);
        Iterable<Product> iterable = ProductRepository.search(matchQueryBuilder);
        iterable.forEach(e->list.add(e));
        return list;
    }

    @Override
    public Page<Product> pageQuery(Integer pageNo, Integer pageSize, String kw) {
        SearchQuery searchQuery = new NativeSearchQueryBuilder()
                .withQuery(QueryBuilders.matchPhraseQuery("name", kw))
                .withPageable(PageRequest.of(pageNo, pageSize))
                .build();
        return ProductRepository.search(searchQuery);
    }


}

package com.primeton.example;

import com.primeton.example.entity.Product;
import com.primeton.example.service.ProductService;
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.test.context.junit4.SpringRunner;

import java.util.List;

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

    @Autowired
    private ProductService productService;

    @Test
    public void testCount() {
        System.out.println(ProductService.count());
    }

    @Test
    public void testInsert() {
        Product product = new Product();
        product.setProductId("0901009001");
        product.setName("奶油夹心面包（10片装）");
        product.setCategory("101");
        product.setPrice(880);
        product.setBrand("徐福记");
        productService.save(product);

        product = new Product();
        product.setProductId("0901009002");
        product.setName("切片面包（10片装）");
        product.setCategory("101");
        product.setPrice(680);
        product.setBrand("巴莉甜甜");
        productService.save(product);

        product = new Product();
        product.setProductId("0901009004");
        product.setName("原味吐司850g");
        product.setCategory("101");
        product.setPrice(720);
        product.setBrand("采蝶轩");
        productService.save(product);

    }

    @Test
    public void testDelete() {
        Product product = new Product();
        product.setProductId("0901009002");
        productService.delete(product);
    }

    @Test
    public void testGetAll() {
        Iterable<Product> iterable = productService.getAll();
        iterable.forEach(e->System.out.println(e.toString()));
    }

    @Test
    public void testGetByName() {
        List<Product> list = productService.getByName("面包");
        System.out.println(list);
    }

    @Test
    public void testPage() {
        Page<Product> page = productService.pageQuery(0, 10, "切片");
        System.out.println(page.getTotalPages());
        System.out.println(page.getNumber());
        System.out.println(page.getContent());
    }
}

package com.primeton.example;

import com.primeton.example.entity.Product;
import org.elasticsearch.index.query.QueryBuilders;
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.elasticsearch.core.ElasticsearchTemplate;
import org.springframework.data.elasticsearch.core.query.*;
import org.springframework.test.context.junit4.SpringRunner;

import java.util.List;

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

    @Autowired
    public ElasticsearchTemplate elasticsearchTemplate;

    @Test
    public void testInsert() {
        Product product = new Product();
        product.setProductId("0901009005");
        product.setName("葡萄吐司面包（10片装）");
        product.setCategory("101");
        product.setPrice(560);
        product.setBrand("采蝶轩");

        IndexQuery indexQuery = new IndexQueryBuilder().withObject(product).build();
        elasticsearchTemplate.index(indexQuery);
    }

    @Test
    public void testQuery() {
        SearchQuery searchQuery = new NativeSearchQueryBuilder()
                .withQuery(QueryBuilders.matchQuery("name", "吐司"))
                .build();
        List<Product> list = elasticsearchTemplate.queryForList(searchQuery, Product.class);
        System.out.println(list);
    }

}