NN2021052501/app/Services/QrcodeService.php

<?php
// +----------------------------------------------------------------------
// | Laravel框架 [ Laravel ]
// +----------------------------------------------------------------------
// | 版权所有 2017~2021 Laravel研发中心
// +----------------------------------------------------------------------
// | 官方网站: http://www.laravel.cn
// +----------------------------------------------------------------------
// | Author: wesmiler <12345678@qq.com>
// +----------------------------------------------------------------------

namespace App\Services;

use App\Models\LinkModel;
use BaconQrCode\Encoder\QrCode;

/**
 * 二维码管理-服务类
 * @author wesmiler
 * @since 2020/11/11
 * Class QrcodeService
 * @package App\Services
 */
class QrcodeService extends BaseService
{

    protected static $instance = null;
    /**
     * 构造函数
     * @author wesmiler
     * @since 2020/11/11
     * QrcodeService constructor.
     */
    public function __construct()
    {

    }

    /**
     * 静态入口
     * @return QrcodeService|null
     */
    public static function make(){
        if(!self::$instance){
            self::$instance = new QrcodeService();
        }
        return self::$instance;
    }

    /**
     * 生成自定义二维码
     * @param $userId 用户ID
     * @return false|string|\图片地址
     */
    public function makeQrcode($userId){
        $path = 'img/qrcode/U_'.$userId.'_'.base64_encode($userId).'.png';
        QrCode::format('png')->size(100)->encoding('UTF-8')->generate($userId,public_path($path));
        if(file_exists(public_path($path))){
            return get_image_url($path);
        }else{
            return false;
        }
    }
}