Laravel Nova中另一个表中的字段

public function orders()
{
    return $this->hasMany(Order::class);
}

public function user()
{
    return $this->belongsTo(User::class);
}

use Laravel\Nova\Fields\HasMany;

public function fields(Request $request)
{
    return [
        // 其他字段...
        HasMany::make('Orders', 'orders', Order::class),
    ];
}

use Laravel\Nova\Fields\BelongsTo;

public function fields(Request $request)
{
    return [
        // 其他字段...
        BelongsTo::make('User', 'user', User::class),
    ];
}

use App\Nova\User;
use App\Nova\Order;

Nova::resources([
    // 其他资源...
    User::class,
    Order::class,
]);