';
                                echo htmlspecialchars($html);
                                die;
                                die($html);
                    /*session('weixin_pay_data', $pay_data);
                    session('weixin_redirect_url', empty($redirect_url) ? '' : urldecode($redirect_url));
                    $url = PluginsHomeUrl('weixinwebauthorization', 'pay', 'index');
                    $result = DataReturn('success', 0, $url);*/
                } else {
                    $result = DataReturn('success', 0, $pay_data);
                }
                break;

            // APP支付
            case 'APP' :
                $result = DataReturn('APP支付暂未开放', -1);
                break;
        }
        return $result;
    }

    /**
     * 获取支付参数
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-07
     * @desc    description
     * @param   [array]           $params [输入参数]
     */
    private function GetPayParams($params = [])
    {
        $trade_type = empty($params['trade_type']) ? $this->GetTradeType() : $params['trade_type'];
        if(empty($trade_type))
        {
            return DataReturn('支付类型不匹配', -1);
        }

        // openid
        if(APPLICATION == 'app')
        {
            $openid = isset($params['user']['weixin_openid']) ? $params['user']['weixin_openid'] : '';
        } else {
            $openid = isset($params['user']['weixin_web_openid']) ? $params['user']['weixin_web_openid'] : '';
        }

        // appid
        $appid = (APPLICATION == 'app') ? $this->config['mini_appid'] :  $this->config['appid'];

        // 请求参数
        $data = [
            'appid'             => $appid,
            'mch_id'            => $this->config['mch_id'],
            'body'              => $params['site_name'].'-'.$params['name'],
            'nonce_str'         => md5(time().rand().$params['order_no']),
            'notify_url'        => (__MY_HTTP__ == 'https') ? 'http'.mb_substr($params['notify_url'], 5, null, 'utf-8') : $params['notify_url'],
            'openid'            => ($trade_type == 'JSAPI') ? $openid : '',
            'out_trade_no'      => $params['order_no'].GetNumberCode(6),
            'spbill_create_ip'  => GetClientIP(),
            'total_fee'         => intval($params['total_price']*100),
            'trade_type'        => $trade_type,
            'attach'            => empty($params['attach']) ? $params['site_name'].'-'.$params['name'] : $params['attach'],
            'sign_type'         => 'MD5',
        ];
        $data['sign'] = $this->GetSign($data);
        return DataReturn('success', 0, $data);
    }

    /**
     * 获取支付交易类型
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-08
     * @desc    description
     */
    private function GetTradeType()
    {
        $type_all = [
            'pc'        => 'NATIVE',
            'weixin'    => 'JSAPI',
            'h5'        => 'MWEB',
            'app'       => 'APP'
        ];

        // 手机中打开pc版本
        if(APPLICATION_CLIENT_TYPE == 'pc' && IsMobile())
        {
            $type_all['pc'] = $type_all['h5'];
        }

        // 微信中打开
        if(!empty($_SERVER['HTTP_USER_AGENT']) && stripos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false)
        {
            $type_all['pc'] = $type_all['weixin'];
        }

        return isset($type_all[APPLICATION_CLIENT_TYPE]) ? $type_all[APPLICATION_CLIENT_TYPE] : '';
    }

    /**
     * 支付回调处理
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2018-09-19
     * @desc    description
     * @param   [array]           $params [输入参数]
     */
    public function Respond($params = [])
    {
        $result = empty($GLOBALS['HTTP_RAW_POST_DATA']) ? $this->XmlToArray(file_get_contents('php://input')) : $this->XmlToArray($GLOBALS['HTTP_RAW_POST_DATA']);

        if(isset($result['result_code']) && $result['result_code'] == 'SUCCESS' && $result['sign'] == $this->GetSign($result))
        {
            return DataReturn('支付成功', 0, $this->ReturnData($result));
        }
        return DataReturn('处理异常错误', -100);
    }

    /**
     * [ReturnData 返回数据统一格式]
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  1.0.0
     * @datetime 2018-10-06T16:54:24+0800
     * @param    [array]                   $data [返回数据]
     */
    private function ReturnData($data)
    {
        // 参数处理
        $out_trade_no = substr($data['out_trade_no'], 0, strlen($data['out_trade_no'])-6);

        // 返回数据固定基础参数
        $data['trade_no']       = $data['transaction_id'];  // 支付平台 - 订单号
        $data['buyer_user']     = $data['openid'];          // 支付平台 - 用户
        $data['out_trade_no']   = $out_trade_no;            // 本系统发起支付的 - 订单号
        $data['subject']        = $data['attach'];          // 本系统发起支付的 - 商品名称
        $data['pay_price']      = $data['total_fee']/100;   // 本系统发起支付的 - 总价
        return $data;
    }

    /**
     * 签名生成
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-07
     * @desc    description
     * @param   [array]           $params [输入参数]
     */
    private function GetSign($params = [])
    {
        ksort($params);
        $sign  = '';
        foreach($params as $k=>$v)
        {
            if($k != 'sign' && $v != '' && $v != null)
            {
                $sign .= "$k=$v&";
            }
        }
        return strtoupper(md5($sign.'key='.$this->config['key']));
    }

    /**
     * 数组转xml
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-07
     * @desc    description
     * @param   [array]          $data [数组]
     */
    private function ArrayToXml($data)
    {
        $xml = '';
        foreach($data as $k=>$v)
        {
            $xml .= '<'.$k.'>'.$v.'';
        }
        $xml .= '';
        return $xml;
    }

    /**
     * xml转数组
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-07
     * @desc    description
     * @param   [string]          $xml [xm数据]
     */
    private function XmlToArray($xml)
    {
        if(!$this->XmlParser($xml)) return '';

        return json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
    }


    /**
     * 判断字符串是否为xml格式
     * @author   Devil
     * @blog    http://gong.gg/
     * @version 1.0.0
     * @date    2019-01-07
     * @desc    description
     * @param   [string]          $string [字符串]
     */
    function XmlParser($string)
    {
        $xml_parser = xml_parser_create();
        if(!xml_parse($xml_parser, $string, true))
        {
          xml_parser_free($xml_parser);
          return false;
        } else {
          return (json_decode(json_encode(simplexml_load_string($string)),true));
        }
    }

    /**
     * [HttpRequest 网络请求]
     * @author   Devil
     * @blog     http://gong.gg/
     * @version  1.0.0
     * @datetime 2017-09-25T09:10:46+0800
     * @param    [string]          $url         [请求url]
     * @param    [array]           $data        [发送数据]
     * @param    [boolean]         $use_cert    [是否需要使用证书]
     * @param    [int]             $second      [超时]
     * @return   [mixed]                        [请求返回数据]
     */
    private function HttpRequest($url, $data, $use_cert = false, $second = 30)
    {
        $options = array(
            CURLOPT_RETURNTRANSFER => true,
            CURLOPT_HEADER         => false,
            CURLOPT_POST           => true,
            CURLOPT_SSL_VERIFYPEER => false,
            CURLOPT_SSL_VERIFYHOST => false,
            CURLOPT_POSTFIELDS     => $data,
            CURLOPT_TIMEOUT        => $second,
        );

        if($use_cert == true)
        {
            // 退款 取消使用
            //设置证书
            //使用证书：cert 与 key 分别属于两个.pem文件
            // $options[CURLOPT_SSLCERTTYPE] = 'PEM';
            // $options[CURLOPT_SSLCERT] = WEB_ROOT.'cert/wechat_app_apiclient_cert.pem';
            // $options[CURLOPT_SSLKEYTYPE] = 'PEM';
            // $options[CURLOPT_SSLKEY] = WEB_ROOT.'cert/wechat_app_apiclient_key.pem';
        }
 
        $ch = curl_init($url);
        curl_setopt_array($ch, $options);
        $result = curl_exec($ch);
        curl_close($ch);
        return $result;
    }
}
?>