Ajar anda cara menggunakan elasticsearch dalam laravel (langkah yang jelas)-Laravel-php.cn

Lajur tutorial Laravel berikut akan memperkenalkan cara menggunakan elasticsearch dalam laravel (langkah yang jelas saya harap ia akan membantu anda!

Pasang pakej sambungan yang berkaitan

guzzlehttp/guzzle
elasticsearch/elasticsearch
laravel /scout
babenkoivan/scout-elasticsearch-driver
predis/predis Sejumlah besar data memerlukan penyegerakan baris gilir dan pemasangan apabila menarik data

1. Pasang guzzlehttp/guzzle

composer require guzzlehttp/guzzle

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Tulis kelas perkhidmatan Http dalam direktori apl/Perkhidmatan

<?php

namespace App\Services;use GuzzleHttp\Client;use GuzzleHttp\Cookie\CookieJar;class HttpService{

    protected $client;

    public function __construct()
    {
        $this->client = new Client(['verify' => false, 'timeout' => 0,]);
    }

    /**
     * 发送 get 请求
     * @param $url
     * @param array $aQueryParam
     * @param string $isDecode
     * [@return](https://learnku.com/users/31554) mixed
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function get($url, $aQueryParam = [], $isDecode = true)
    {
        $response = $this->client->request('GET',
            $url,
            [
                'query' => $aQueryParam            ]);
        if($isDecode){
            return \GuzzleHttp\json_decode($response->getbody()->getContents(), true);
        }
        return $response->getbody()->getContents();
    }

    /**
     *  发送 post 请求
     * @param $url
     * @param array $aParam
     * @param string $type
     * @param string $isDecode
     * [@return](https://learnku.com/users/31554) mixed
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function post($url, $aParam = [], $type = 'form_params', $isDecode = true)
    {
        $aOptions = [];
        // Sending application/x-www-form-urlencoded POST
        if ($type == 'form_params') {
            $aOptions['form_params'] = $aParam;
        }
        //  upload JSON data
        if ($type == 'json') {
            $aOptions['json'] = $aParam;
        }
        $response = $this->client->request('POST', $url, $aOptions);

        if($isDecode){
            return \GuzzleHttp\json_decode($response->getbody()->getContents(), true);
        }
        return $response->getbody()->getContents();
    }

    /**
     *  发送 put 请求
     * @param $url
     * @param array $aParam
     * @param string $type
     * @param string $isDecode
     * [@return](https://learnku.com/users/31554) mixed
     * @throws \GuzzleHttp\Exception\GuzzleException
     */
    public function put($url, $aParam = [], $type = 'form_params', $isDecode = true)
    {
        $aOptions = [];
        // Sending application/x-www-form-urlencoded POST
        if ($type == 'form_params') {
            $aOptions['form_params'] = $aParam;
        }
        //  upload JSON data
        if ($type == 'json') {
            $aOptions['json'] = $aParam;
        }
        $response = $this->client->request('PUT', $url, $aOptions);

        if($isDecode){
            return \GuzzleHttp\json_decode($response->getbody()->getContents(), true);
        }
        return $response->getbody()->getContents();
    }

    /**
     * 保存远程文件到本地
     * 跟随第三方服务器url重定向
     * @param $url
     * [@return](https://learnku.com/users/31554) bool|string
     */
    public function getRemoteFile($url)
    {
        $jar = new CookieJar();
        $aOptions = ['cookies' => $jar];
        $response = $this->client->request('GET', $url, $aOptions);
        return $response->getBody()->getContents();
    }}

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2 . Pasang elasticsearch/elasticsearch

composer require elasticsearch/elasticsearch

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3 Pasang laravel/scout

composer require laravel/scout

php artisan vendor:publish --provider="Laravel\Scout\ScoutServiceProvider"

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4 /scout-elasticsearch-driver

composer require babenkoivan/scout-elasticsearch-driver

php artisan vendor:publish --provider="ScoutElastic\ScoutElasticServiceProvider"

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konfigurasi perkhidmatan pengakap, tambah item konfigurasi dalam env

// 驱动的host，若需账密：http://es_username:password@127.0.0.1:9200SCOUT_ELASTIC_HOST=elasticsearch:9200// 驱动SCOUT_DRIVER=elastic// 队列配置,数据量大时建议开启SCOUT_QUEUE=true

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Pasang predis/predis

composer require predis/predis

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Mulakan Templat anjal

Di sini, arahan artisan digunakan untuk mengkonfigurasi fail arahan yang dijana

php artisan make:command EsInit

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<?php
namespace App\Console\Commands;use App\Services\HttpService;use Illuminate\Console\Command;class EsInit extends Command{
  /**
   * The name and signature of the console command.
   *
   * @var string
   */
  protected $signature = &#39;es:init&#39;;

  /**
   * The console command description.
   *
   * @var string
   */
  protected $description = &#39;init laravel es for article&#39;;

  /**
   * Create a new command instance.
   *
   * [@return](https://learnku.com/users/31554) void
   */
  protected  $http;
  public function __construct()
  {
      parent::__construct();
      parent::__construct();
      $this->http = new HttpService();
  }

  /**
   * Execute the console command.
   *
   * [@return](https://learnku.com/users/31554) mixed
   */
  public function handle()
  {
      $this->createTemplate();
  }
  protected function createTemplate()
  {
      $aData = [
          /*
          * 这句是取在scout.php（scout是驱动）里我们配置好elasticsearch引擎的index项。
          * PS：其实都是取数组项，scout本身就是return一个数组，
          * scout.elasticsearch.index就是取
          * scout[elasticsearch][index]
          * */
          'template'=>config('scout.elasticsearch.index'),
          'mappings'=>[
              'articles' => [
                  'properties' => [
                      'title' => [
                          'type' => 'text'
                      ],
                      'content' => [
                          'type' => 'text'
                      ],
                      'created_at' => [
                          'format' => 'yy-MM-dd HHss',
                          'type' => 'date'
                      ],
                      'updated_at' => [
                          'format' => 'yy-MM-dd HHss',
                          'type' => 'date'
                      ]
                  ]
              ]
          ],
      ];
      $url = config('scout.elasticsearch.hosts')[0] . '/' . '_template/rtf';
      $this->http->put($url,$aData,'json');
  }}

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Jana model dapatkan semula

php artisan make:model Models/Article

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Buat fail konfigurasi indeks model

ElasticsearchArticleIndexConfigurator. php

<?php
namespace App\Elasticsearch;use ScoutElastic\IndexConfigurator;use ScoutElastic\Migratable;class ArticleIndexConfigurator extends IndexConfigurator{
  use Migratable;
  protected $name = &#39;articles&#39;;
  /**
   * @var array
   */
  protected $settings = [
      &#39;analysis&#39; => [
          'analyzer' => [
              'es_std' => [
                  'type' => 'standard',
                  'stopwords' => '_spanish_'
              ]
          ]
      ]
  ];}

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Buat fail peraturan carian model

ElasticsearchSearchRulesArticleRule.php

<?php
namespace App\Elasticsearch\SearchRules;use ScoutElastic\SearchRule;class ArticleRule extends SearchRule{
  /*
   * @inheritdoc
   */
  public function buildHighlightPayload()
  {
      return [
          &#39;fields&#39; => [
              'title' => [
                  'type' => 'unified',
              ],
              'content' => [
                  'type' => 'unified',
              ],
          ]
      ];
  }

  //进行 match 搜索，会分词
  public function buildQueryPayload()
  {
      $query = $this->builder->query;
      return [
          'must' => [
              'query_string' => [
                  'query' => $query,
              ],
          ],
      ];
  }}

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Tetapkan medan Pemetaan model dan dapatkan semula

class Article extends Model{
    protected $indexConfigurator = ArticleIndexConfigurator::class;
    use Searchable;

    /**
     * 检索规则
     * @var string[]
     */
    protected $searchRules = [
        ArticleRule::class
    ];

    // 设置模型字段的映射关系
    protected $mapping = [
        'properties' => [
            'id' => [
                'type' => 'integer',
            ],
            'title' => [
                'type' => 'text',
                'analyzer' => 'ik_max_word',
                'search_analyzer' => 'ik_max_word',
                'index_options' => 'offsets',
                'store' => true
            ],
            'content' => [
                'type' => 'text',
                'analyzer' => 'ik_max_word',
                'search_analyzer' => 'ik_max_word',
                'index_options' => 'offsets',
                'store' => true
            ],
            'number' => [
                'type' => 'integer',
            ],
        ],
    ];

    /**
     * 设置 es 检索返回的字段
     * [@return](https://learnku.com/users/31554) array
     */
    public function toSearchableArray() {
        return [
            'id' => $this->id,
            'title' => $this->title,
            'content' => $this->content,
        ];
    }}

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Gunakan langkah

untuk menjana Templat anjal serupa dengan struktur jadual mysql
```
php artisan es:init
```
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Kemas kini pemetaan jenis elastik

php artisan elastic:update-mapping "App\Models\Article"

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Import data pangkalan data ke dalam elastik
```
php artisan scout:import "App\Models\Article"
```
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PS: Arahan lain

Kosongkan data elastik

php artisan scout:flush "App\Models\Article"

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Gunakan cari

 $query = Article::search('二胡')
            ->paginateRaw(3,'article',1);
        dd($query->items()['hits']);

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Sila semak dokumentasi untuk kegunaan lain

Atas ialah kandungan terperinci Ajar anda cara menggunakan elasticsearch dalam laravel (langkah yang jelas). Untuk maklumat lanjut, sila ikut artikel berkaitan lain di laman web China PHP!