screen/application/index/controller/Wx.php

<?php

namespace app\index\controller;

use app\common\controller\Frontend;
use app\common\service\WxOpenService;

/**
 * 会员中心
 */
class Wx extends Frontend
{
    protected $noNeedLogin='*';
    public function callback($key,$e){
        $bind=WxOpenService::bind($key,$e);
        $this->assign('bind',$bind);
        return $this->fetch();
    }
}