Laravel 的视图合成器可将数据与指定视图绑定在一起，避免了重复编写代码。
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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