HNWelcomeSystemAdminDcat/app/Services/BaseServices.php

<?php

/**
 * 弄成单例模式
 */
namespace App\Services;


class BaseServices
{
    protected static $instance;

    /**
     * @return static
     */
    public static function getInstance()
    {
        if(static::$instance instanceof static){
            return static::$instance;
        }

        static::$instance  = new static();
        return static::$instance;
    }

    private function __construct()
    {
    }

    private function __clone()
    {
    }
}