Laravel 自定义视图组件

View::composer('profile', 'App\Http\View\Composers\ProfileComposer');

由于数据的生成和渲染是分开进行的，理解起来不够直观。因此，可以采用视图组件的方式将两者进行封装。

<?php namespace App\ViewComponents; use Illuminate\Contracts\Support\Htmlable; use Illuminate\Http\Request; use Illuminate\Support\Facades\View; class ExampleComponent implements Htmlable {     private $color;     private $request;     public function __construct(Request $request, string $color)     {         $this->color = $color;         $this->request = $request;     }     public function toHtml()     {            return View::make('example')             ->with('color', $this->color)             ->render();     } }

在视图中使用

{{ app()->makeWith(App\ViewComponents\ExampleComponent::class,['color' => 'green'])->toHtml() }}

封装指令

Blade::directive('render', function ($expression) {     list($class, $params) = explode(',', $expression, 2);     $class = "App\\ViewComponents\\".trim($class, '\'" ');     return "<?php echo app()->makeWith('$class', $params)->toHtml(); ?>"; });

使用指令

@render('ExampleComponent', ['color' => 'green'])

参考资料

spatie/laravel-view-components: A better way to connect data with view rendering in Laravel Introducing View Components in Laravel, an alternative to View Composers - Laravel News

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