Controller\Api::queryCountry PHP Method

    public function queryCountry()
    {
        $ipAddress = Utils::getUserIP();
        $ch = curl_init();
        $url = 'http://ip.taobao.com/service/getIpInfo.php?ip=' . $ipAddress;
        // 执行HTTP请求
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_URL, $url);
        $res = curl_exec($ch);
        echo $res;
        exit;
    }