Laravel development: How to paginate data using Laravel Pagination?
Laravel development: How to use Laravel Pagination to paginate data?
Laravel is a powerful PHP framework that helps developers quickly build high-quality web applications. In Laravel applications, it is often necessary to display data in pages. Laravel provides a powerful pagination class - Laravel Pagination, which makes data paging very easy.
In this article, I will show you how to paginate data using Laravel Pagination.
1. Install Laravel
Before you start using Laravel Pagination, you need to install Laravel first. You can use the following command to install Laravel through Composer:
composer create-project --prefer-dist laravel/laravel your-project-name
2. Create model and database migration files
Before you start paging data, you need to prepare some data. In this example, we will use the "Articles" data. We need to create a model called "Article" and a database migration file. You can create them using the following command:
php artisan make:model Article -m
After executing this command, a model named "Article" and a migration file named "create_articles_table" will be generated. Open the migration file and define the schema for the "articles" table. In this example, we will use the following code:
Schema::create('articles', function (Blueprint $table) { $table->id(); $table->string('title'); $table->text('content'); $table->timestamps(); });
Execute the following command to run the migration:
php artisan migrate
3. Generate test data
Before we start paging the data, We need some test data. You can use the following code to generate some test data:
factory(AppArticle::class, 50)->create();
This code will create 50 "article" records and save them to the database.
4. Paging data
Now, we are ready to start paging data. In Laravel, we can easily paginate data using Laravel Pagination class. Here is a sample controller method that will get the "Article" data from the database and paginate it:
public function index() { $articles = Article::paginate(10); return view('articles.index', compact('articles')); }
In this example, we use the paginate method of the Article model to get 10 "Articles" from the database ” record and pass it to the view. The paginate method will return a Paginator instance, which has the following common methods:
- total: the total number of data records.
- perPage: The number of data records displayed per page.
- currentPage: Current page number.
- lastPage: The page number of the last page.
- nextPageUrl: URL of the next page.
- previousPageUrl: URL of the previous page.
In a view, you can easily generate pagination links using the following code:
{{ $articles->links() }}
This will generate basic pagination links, you can also customize the pagination links with other options.
5. Custom paging style
By default, the paging links generated by Laravel are displayed as simple text. If you wish to customize the styling of your pagination links, you can easily generate custom HTML pagination links using Laravel's Blade template engine. Here is an example:
<div class="pagination"> <ul> {{-- Previous Page Link --}} @if ($paginator->onFirstPage()) <li class="disabled" aria-disabled="true"> <span>@lang('pagination.previous')</span> </li> @else <li> <a href="{{ $paginator->previousPageUrl() }}" rel="prev">@lang('pagination.previous')</a> </li> @endif {{-- Next Page Link --}} @if ($paginator->hasMorePages()) <li> <a href="{{ $paginator->nextPageUrl() }}" rel="next">@lang('pagination.next')</a> </li> @else <li class="disabled" aria-disabled="true"> <span>@lang('pagination.next')</span> </li> @endif </ul> </div>
In this example, we use Laravel's @if and @endif directive syntax to check if we are currently on the first page and generate a "Previous Page" button. We also use the $paginator->nextPageUrl() and $paginator->previousPageUrl() methods to generate links to the "next page" and "previous page" buttons.
6. Summary
In this article, I introduced you how to use Laravel Pagination to easily paginate data. I showed how to generate a Paginator instance, how to display basic pagination links, and how to customize the styling of pagination links. Hope this helps!
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