tp5.0 结合 Redis Cache缓存风暴

    private function getJsApiTicket()
    {
        //==================Author  D xx Start=================
        //1.缓存 WxJsapiTicket
        if (!$jsapiTicket = Cache::get(‘WxJsapiTicket‘)) {
            if (Cache::init()->handler()->sAdd(‘wxJsapiStorm‘, ‘11‘)) {
                //1.1获取 AccessToken
                $accessToken = $this->getAccessToken();
                //1.2请求
                $url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi&access_token={$accessToken}";
                $res = file_get_contents($url);
                trace($res);
                $res = json_decode($res);
                $jsapiTicket = $res->ticket;

                if (isset($jsapiTicket)) {
                    //缓存
                    Cache::set(‘WxJsapiTicket‘, $jsapiTicket, 7000);

                }
                // 删除键
                Cache::init()->handler()->delete(‘wxJsapiStorm‘);
            } else {
                sleep(1);
                $this->getJsApiTicket();
            }
        }

        return $jsapiTicket;
        //==================Author  D xx End=================
    }