baoshi-was/app/TerminalPrinter.php

<?php

namespace App;

use App\Traits\ModelTimeFormat;
use Illuminate\Database\Eloquent\Model;

use App\Traits\ModelLogChanging;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;

class TerminalPrinter extends Model
{
    use ModelLogChanging;
    use ModelTimeFormat;

    protected $fillable = ['terminal_id', 'printer_name', 'alias_name'];


    public function terminal(): BelongsTo
    {
        return $this->belongsTo(Terminal::class);
    }

    public function logistics(): BelongsToMany
    {
        return $this->belongsToMany(Logistic::class,TerminalPrinterLogistic::class);
    }
}