mtb_store_frontend/app/Models/DistAppearanceTemplate.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class DistAppearanceTemplate extends Model
{

    protected $table = 'dist_appearance_template';

    //判断file_name是否存在
    public static function hasFileName($fileName,$distId,$appearanceId) {
        $count = self::where('file_name', $fileName)->where('dist_id', $distId)->where('appearance_id', $appearanceId)->count();
        if ($count > 0) {
            return true;
        } else {
            return false;
        }
    }
}