服务器的ip
        //封装的关于签名的算法
        $arr['sign'] = $this->makeSign($arr,$key);//签名
        $var = $this->arrayToXml($arr);
        // dump($arr['sign'] );exit;
        $xml = $this->curl_post_ssl('https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers',$var,30);
        libxml_disable_entity_loader(true);
        $rdata = json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)),true);
        eblog('cash_xmldata',$rdata);
        // dump($rdata);exit;
        $return_code = trim(strtoupper($rdata['return_code']));
        $result_code = trim(strtoupper($rdata['result_code']));
        if ($return_code == 'SUCCESS' && $result_code == 'SUCCESS') {
            $isrr = array(
                'status'=>1,
                'msg' => '',
            );
        } else {
            // $returnmsg = $rdata['return_msg'];
            $err_code_des = $rdata['err_code_des'];
            $isrr = array(
                'status' => 0,
                'msg' => $err_code_des,
            );
        }
        return $isrr;
    }

    protected function makesign($data,$key)
    {
        //获取微信支付秘钥
        $data = array_filter($data);
        //签名步骤一：按字典序排序参数
        ksort($data);
        $string_a = http_build_query($data);
        $string_a = urldecode($string_a);
        //签名步骤二：在string后加入KEY
        //$config=$this->config;
        $string_sign_temp = $string_a."&key=".$key;
        //签名步骤三：MD5加密
        $sign = md5($string_sign_temp);
        // 签名步骤四：所有字符转为大写
        $result = strtoupper($sign);
        // $result = strtoupper(hash_hmac("sha256",$string_sign_temp,$key));
        return $result;
    }

    protected function arraytoxml($data){
        $str='';
        foreach($data as $k=>$v) {
            $str.='<'.$k.'>'.$v.'';
        }
        $str.='';
        return $str;
    }

    protected function curl_post_ssl($url, $vars, $second = 30, $aHeader = array())
    {
        $isdir = APP_PATH."/common/library/php_sdk/lib/";//证书位置
        $ch = curl_init();//初始化curl
        curl_setopt($ch, CURLOPT_TIMEOUT, $second);//设置执行最长秒数
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);//要求结果为字符串且输出到屏幕上
        curl_setopt($ch, CURLOPT_URL, $url);//抓取指定网页
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);// 终止从服务端进行验证
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//
        curl_setopt($ch, CURLOPT_SSLCERTTYPE, 'PEM');//证书类型
        curl_setopt($ch, CURLOPT_SSLCERT, $isdir . 'apiclient_cert.pem');//证书位置
        curl_setopt($ch, CURLOPT_SSLKEYTYPE, 'PEM');//CURLOPT_SSLKEY中规定的私钥的加密类型
        curl_setopt($ch, CURLOPT_SSLKEY, $isdir . 'apiclient_key.pem');//证书位置
        curl_setopt($ch, CURLOPT_CAINFO, 'PEM');
        curl_setopt($ch, CURLOPT_CAINFO, $isdir . 'rootca.pem');
        if (count($aHeader) >= 1) {
            curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);//设置头部
        }
        curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
        curl_setopt($ch, CURLOPT_POSTFIELDS, $vars);//全部数据使用HTTP协议中的"POST"操作来发送
        $data = curl_exec($ch);//执行回话
        if ($data) {
            curl_close($ch);
            return $data;
        } else {
            $error = curl_errno($ch);
            echo "call faild, errorCode:$error\n";
            curl_close($ch);
            return false;
        }
    }

}

本文标题：ThinkPHP简易微信公众号零钱提现实例
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