Laravel development: How to implement full-text search using Laravel Scout and Meilisearch?

With the development of the Internet, full-text search has become an essential feature for more and more websites and applications. In the Laravel framework, we can implement efficient and fast full-text search functions by integrating Laravel Scout and Meilisearch.

1. What is Laravel Scout?

Laravel Scout is a plug-in officially provided by Laravel to provide full-text search functionality for Laravel applications. It's easy to use and supports multiple search engines, including Algolia, Elasticsearch, and Meilisearch.

2. What is Meilisearch?

Meilisearch is a fast, secure, open source full-text search engine that can quickly scale to large data sets. Compared with other search engines, Meilisearch has faster search speed and smaller index space, while also providing a series of easy-to-use query and filtering options.

3. How to use Laravel Scout and Meilisearch to implement full-text search?

1. Install Laravel Scout and Meilisearch

First, you need to install Laravel Scout and Meilisearch in the Laravel application. Taking Laravel 8 as an example, we can use Composer to install:

composer require laravel/scout meilisearch/meilisearch-php

2. Configuring Laravel Scout

After completing the installation, we also need to configure Laravel in the Laravel application Scout. Open the config/app.php file and add the service provider of the Laravel Scout project to the providers array:

'providers' => [
    // ...
    LaravelScoutScoutServiceProvider::class,
],

Then, configure the database information and Meilisearch information in the .env file:

SCOUT_DRIVER=meilisearch
MEILISEARCH_HOST=http://localhost:7700
MEILISEARCH_KEY=masterKey
MEILISEARCH_HTTP_CLIENT=meilisearch

3. Create model and index

Next, we need to create a model for full-text search in the Laravel application and set the search index in the model. For example, we can create a model named Article:

php artisan make:model Article -m

While creating the model, a database migration file will be created. We need to add a search index to the model in the migration file:

Schema::create('articles', function (Blueprint $table) {
    $table->id();
    $table->string('title');
    $table->text('body');
    $table->timestamps();

    $table->softDeletes();
});

// 添加搜索索引
IlluminateSupportFacadesSchema::table('articles', function ($table) {
    $table->text('searchable')->nullable();
});

// 创建搜索索引
IlluminateSupportFacadesArtisan::call('scout:import', ['model' => AppModelsArticle::class]);

After adding the search index in the migration file, we need to update the model so that Laravel Scout can use the index for full-text search:

use LaravelScoutSearchable;

class Article extends Model
{
    use Searchable;
}

4. Perform full-text search

So far, we have completed the basic configuration of using Laravel Scout and Meilisearch to implement full-text search. To perform full-text search, we can use the global search method provided by Laravel Scout:

$articles = Article::search('搜索关键词')->get();

Through this method, we can quickly and efficiently obtain relevant articles and improve user experience.

4. Summary

Laravel Scout and Meilisearch are a pair of powerful and efficient full-text search tools that can help us achieve fast and accurate search functions. Only simple configuration and calls are needed to help us meet user needs and improve user experience.

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