game-sdk/simplewind/huo/model/member/MemBaseModel.php

<?php
/**
 * MemBaseModel.php UTF-8
 * 获取用户ID
 *
 * @date    : 2018/4/24 20:13
 *
 * @license 这不是一个自由软件，未经授权不许任何使用和传播。
 * @author  : wuyonghong <wyh@huosdk.com>
 * @version : HUOSDK 8.0
 */

namespace huo\model\member;

use huo\model\common\CommonModel;

class MemBaseModel extends CommonModel {
    protected $name = 'mem_base';

    public function genUsername($prefix = 't') {
        $_base_num = 10000;
        // 生成用户名
        $_min = $this->min('base');
        $_map['base'] = $_min;
        $_cnt = $this->where($_map)->count('id');
        $_limit = rand(0, $_cnt);
        $_sql_limit = "$_limit,1";
        $_mem_id = $this->where($_map)->limit($_sql_limit)->value('id');
        $_rs = $this->where('id', $_mem_id)->setInc('base');
        $_username = false;
        if (false != $_rs) {
            $_username = $_base_num * $_min + $_mem_id;
            $_username = $prefix.$_username.rand(100, 999);
        }
        return $_username;
    }
}