极验获取数据的代码

获取从前台发送的验证码
  $luotest_response = $request->get('verifyCode');
第二步 发送 验证
  $transfer = new Transfer("https://captcha.luosimao.com/api/site_verify","POST");
文件内容：

<?php namespace App\PlugIn;

use App\PlugIn\Secret\Des;
use Config,Session;

class Transfer
{
    /**
     * @var string 服务器返回的数据流
     */
    protected $stream = '';
    /**
     * @var null 解析后的结果
     */
    protected $body = null;
    /**
     * @var string 接口路径
     */
    protected $gateway = '';
    /**
     * 发送方式
     *
     * @var string
     */
    protected $method = '';
    /**
     * @var array 要发送的数据
     */
    protected $data = [];
    /**
     * 初始设置接口地址和发送方法
     *
     * @param      $url
     * @param      $method
     */
    public function __construct($url, $method)
    {
        $this->setGateWay($url);
        $this->method = $method;
    }

    /**
     * 设置网络访问地址
     *
     * @param $url
     */
    private function setGateWay($url)
    {
        $this->gateway = $url;
    }

    /**
     * 添加要发送的数据
     *
     * @param array $data
     */
    public function addData(array $data)
    {
        $this->data = array_merge($this->data, $data);
    }

    /**
     * 与服务器通信
     */
    protected function transfer()
    {
        if (!function_exists('curl_init')) {
            throw new Exception('NeedCurlExtension:Need to open the curl extension');
        }

        $ci      = \curl_init();
        $options = [            CURLOPT_TIMEOUT        => 120,                                        
                             CURLOPT_HEADER         => 0,       
                             CURLOPT_RETURNTRANSFER => 1,        // 1:获取的信息以文件流的形式返回        
                            CURLOPT_POSTFIELDS     => $this->data,    // post数据          
                           CURLOPT_URL            => $this->gateway,           
                           CURLOPT_CUSTOMREQUEST  => $this->method,           
                           CURLOPT_SSL_VERIFYPEER  => false        ];       
    curl_setopt_array($ci, $options);       
   $this->stream = curl_exec($ci);        //\jt\utils\Debug::log('TransferGetStream', $this->stream);      
   curl_close($ci);    }    /**     * 分离解析数据     *     * @return array     */    private function parse()    {        //分离: 协议、头部信息、主体内容        //list(, $body) = \explode("\r\n\r\n", $this->stream);        //var_dump($this->stream);        //$this->stream = str_replace('null', '""', $this->stream);        //echo "<pre>";print_r($this->stream);die;        $this->body = \json_decode($this->stream, true);        //Error::writeLog($this->body, 'transfer');    }    /**     * 为发送的数据签名     */    private function sign()    {        $this->data['key'] = \Config::PARTNER_KEY;        if (RUN_MODE === 'test') {            $this->data['is_test'] = 1;        }        ksort($this->data);        $param              = implode('&', $this->data);        $this->data['sign'] = \md5($param . \Config::SIGN_SALT);    }    /**     * 发送请求     *     * @return array     */    public function send()    {        //$this->sign();        $this->transfer();        $this->parse();        return $this->body;    }    /**     * 直接获取结果，不解析     */    public function getStream()    {        $this->transfer();        return $this->stream;    }    /**     * 请求数据加密     */    public function encrypt($data){        $xpp_key = Config::get('base.XPP_KEY');        $param_request = array(                            "sign" => "0ca415f9e07e4ed64f3ee4ef6bf7f87c",                            "nonce_str" =>"sm7c46ra3ryxk5dcw4f2k2drl".mt_rand(111111,999999),                            "timestamp" =>time(),                            "client" =>"street",                            "identifier" => Session::has("identifier") ? Session::get("identifier") : getUuid('identifier')                        );        $param = array_merge($param_request,$data);        //将参数数组key值按照自然排序从大到小排序        ksort($param);        unset($param['sign']);        //将排序后的参数数组按照key=val&key=val的形式组成字符串，将字符串与XPP_KEY连接，用md5加密一次(32位小写)，得到sign        $sb = '';        foreach($param as $key=>$val){            $sb .= $key . '=' . $val . '&';        }        $sb .= $xpp_key;        $server_sign = md5($sb);        $param["sign"] = $server_sign;        $encrypt_str = Des::getInstance()->encrypt((json_encode($param)));        return $encrypt_str;    }}

  $transfer->addData([
      'api_key' => Config::get("app.verifykey"),
      'response'  => $luotest_response
  ]);
  $res = $transfer->send();

  if($res["error"]!=0 || $res["res"]!="success"){
      return redirect()->back()->withErrors(array("login_error"=>"人机验证失败","username"=>$request->get('code')));
  }