根据用户id生成四位数唯一邀请码
<?php namespace App\Services; // 邀请码服务 class InviteCodeService { protected $key,$num; public function __construct() { $this->key = 'abcdefghjkmnpqrstuvwxyz123456789';
<?php namespace App\Services; // 邀请码服务 class InviteCodeService { protected $key,$num; public function __construct() { $this->key = 'abcdefghjkmnpqrstuvwxyz123456789';