/**
     * @name: 获取ip归属地
     * @param {str} $ip IP地址
     * @author: Turbo
     * @Date: 2022-05-20 09:15:44
     */    
    public function getIpAddress($ip = '')
    {
        if(empty($ip)){
            $ip = $_REQUEST['ip'];
            if(empty($ip)) die('请传输ip地址'); // 根据实际调用方式去返回数据
        }
        $ch = curl_init();
        $url = 'https://whois.pconline.com.cn/ipJson.jsp?ip=' . $ip;
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $data = curl_exec($ch);
        curl_close($ch);
        $data = mb_convert_encoding($data, 'utf-8', 'GB2312'); // 转换编码
        // 截取{}中的字符串
        $data = substr($data, strlen('({') + strpos($data, '({'), (strlen($data) - strpos($data, '})')) * (-1));
        // 将截取的字符串$data中的‘，’替换成‘&’   将字符串中的‘：‘替换成‘=’
        $data = str_replace('"', "", str_replace(":", "=", str_replace(",", "&", $data)));
        parse_str($data, $addressInfo); // 将字符串转换成数组格式
        return $addressInfo; // 返回ip归属地
    }