laravel怎么实现一个自定义的路由模型绑定解析逻辑_laravel自定义路由模型绑定解析方法

use App\Models\Post;
use Illuminate\Support\Facades\Route;

public function boot()
{
    Route::bind('post', function ($value) {
        return Post::where('slug', $value)->firstOrFail();
    });

    parent::boot();
}

Route::get('/posts/{post}', function (Post $post) {
    return view('post.show', compact($post));
});

namespace App\Models;

use Illuminate\Database\Eloquent\Model;

class User extends Model
{
    public function resolveRouteBinding($value, $field = null)
    {
        return $this->where('username', $value)->firstOrFail();
    }
}

Route::get('/users/{user}', function (User $user) {
    return view('user.profile', compact('user'));
});

Route::bind('admin', function ($value) {
    return \App\Models\User::where('email', $value)
                           ->where('is_admin', true)
                           ->firstOrFail();
});

Route::get('/admin/{admin}', [AdminController::class, 'dashboard']);