lianjie_admin/app/Models/FinancialRecord.php

<?php

namespace App\Models;
use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\Model;

class FinancialRecord extends Model
{
    use HasDateTimeFormatter;
    protected $dateFormat = 'U';

    /**
     * 根据用户id创建不同模型
     * @param $user_id
     * @return string
     */
    public static function getFinancialRecordModel($user_id){
        if ($user_id){
            $buider = null;
            $index = $user_id % 5;
            $model_name = 'App\\Models\\'.'FinancialRecord'.$index;
            $buider = new $model_name();
            return $buider;
        }

    }

}