screen/application/common/library/WxPublic.php

<?php

namespace app\common\library;

use EasyWeChat\Factory;
use fast\Random;
use think\Hook;

/**
 * 短信验证码类
 */
class WxPublic
{
    /** @var \EasyWeChat\OfficialAccount\Application $app */
    protected $app;
    /**
     * WxpLogin constructor.
     */
    public function __construct()
    {
        $this->app=Factory::officialAccount([
            'app_id'=>config('site.wx_open_appid'),
            'secret'=>config('site.wx_open_secret'),
            'log' => [
                'level' => 'debug',
                'file' => RUNTIME_PATH.'/wxp/wechat.log',
            ],
            'oauth' => [
                'scopes'   => ['snsapi_base'],
                'callback' => '/index/user/wxp_handle',
            ],
        ]);
    }

    /**
     * @return \EasyWeChat\OfficialAccount\Application
     */
    public function getApp()
    {
        return $this->app;
    }

    public function qr(){
        return $this->getApp()
            ->qrcode
            ->temporary(session_create_id(),3600);
    }
}