laravel 如何使用方便的使用es實現(xiàn)全文搜索功能？

本擴展包支持IK分詞設(shè)置。

在按下文操作前請先閱讀 laravel scout 全文搜索文檔

安裝

您可以通過composer安裝軟件包 wannanbigpig/laravel-scout-elastic:

composer require wannanbigpig/laravel-scout-elastic

Laravel 會自動注冊驅(qū)動服務(wù)提供者。

Elasticsearch 配置

安裝完成后，您應(yīng)該使用vendor:publish Artisan命令發(fā)布Scout配置文件。該命令將把scout.php配置文件發(fā)布到應(yīng)用程序的config目錄中:

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

發(fā)布Laravel Scout包配置后，您需要將驅(qū)動程序設(shè)置為彈性搜索并添加其配置：

// config/scout.php
<?php

return [
    // ...
    
    'driver' => env('SCOUT_DRIVER', 'elasticsearch'),
    
    // ...
    
    /*
    |--------------------------------------------------------------------------
    | Elasticsearch Configuration
    |--------------------------------------------------------------------------
    |
    | Here you may configure your Elasticsearch settings.
    |
    */

    'elasticsearch' => [
        'hosts' => [env('ELASTICSEARCH_HOST', 'http://127.0.0.1:9200')],
        // 如果你的es沒有開啟校驗賬號密碼則忽略該配置
        // 'auth' => [
        //     'username' => 'elastic',
        //     'password' => 'password copied during Elasticsearch start',
        // ],
        // index_ 后跟索引名稱。如果不需要自定義索引分詞模式，則跳過下面的設(shè)置
        'index_article' => [
            'settings' => [
                'number_of_shards' => 5,
                'number_of_replicas' => 1,
            ],
            'mappings' => [
                "properties" => [
                    "title" => [
                        "type" => "text",
                        "analyzer" => "ik_max_word",
                        "search_analyzer" => "ik_smart",
                        "fields" => ["keyword" => ["type" => "keyword", "ignore_above" => 256]],
                    ],
                ],
            ],
        ],
    ],
];

使用

命令

// 創(chuàng)建索引
php artisan scout:index article

// 刪除
php artisan scout:delete-index article

// 批量更新數(shù)據(jù)到es
// Article這個model需引入use Laravel\Scout\Searchable;
// 想自定義同步到es的字段需自己實現(xiàn)toSearchableArray這個方法
php artisan scout:import "App\Models\Article"

搜索示例

use App\Models\Article;

// $condition = "test";
// ... or
// $condition = [
//     "title" => "test",
//     "abstract" => "test"
// ];
// ... or
$keyword = "test";
$source = [1,2];
$startTime = '2023-05-01T00:00:00.000+0800';
$endTime = '2023-05-20T00:00:00.000+0800';
$condition = [
	// 該字段僅用來區(qū)分是否選擇自定義es搜索body請求體，不會實際發(fā)送至es
    "_customize_body" => 1,
    "query"=>[
	    "bool" => [
	        "should" => [
	            [
	                "match" => [
	                    "title" => ["query" => $keyword, 'boost' => 5]
	                ]
	            ],
	            [
	                "match" => [
	                    "abstract" => ["query" => $keyword, 'boost' => 3]
	                ]
	            ],
	        ],
	        "must" => [
	            [
	                "terms" => ["source" => $source]
	            ],
	            [
	                "range" => [
	                    "created_at" => [
	                        'gte' => $startTime,
	                        'lte' => $endTime
	                    ]
	                ]
	            ]
	        ]
	    ],
    ],  
];

$data = Article::search($condition)
        ->orderBy('_score', 'desc')
        ->paginate(10);

更多使用方法 Laravel Scout official documentation.

參考：

https://github.com/ErickTamayo/laravel-scout-elastic

https://github.com/laravel/scout/tree/10.x

https://github.com/medcl/elasticsearch-analysis-ik

License

The MIT License (MIT).文章來源地址http://www.zghlxwxcb.cn/news/detail-464477.html

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