public function __construct()
 {
     parent::__construct();
     /* if(!isWeiXinBrowser()){
            $this->assign('tips','请在微信浏览器中打开');
            $this->display('WeiXin:result');
            exit;
        }*/
 }
 public function __construct()
 {
     \Predis\Autoloader::register();
     $this->redis = new \Predis\Client();
     $this->wx_auth_name = '__WX_AUTH_';
     $this->wx_login_name = '__WX_LOGIN_';
     $this->wx_numberid_name = '__WX_NUMBERID_';
     parent::__construct();
     if (!isWeiXinBrowser()) {
         $this->assign('tips', '请在微信浏览器中打开');
         $this->display('WeiXin:result');
         exit;
     }
 }