招行收款通支付对接来了个国密sm2，sm3，文档也写得不完整，给的demo还是java，哎苦了我们php的，现在直接给出php版本

招行收款通支付对接来了个国密sm2，sm3，文档也写得不完整，给的demo还是java，哎苦了我们php的，现在直接给出php版本$post_data = [    'version'=>'2.0',    'merchId'=>$merchId, //商户号     'payNo'=>$payNo,    'orderId' => $orderId,    'feeAmt'=>$money,    'custName'=>$name,    'custPhone'=>$tel,    'userId'=>$userId,    'returnUrl'=>$returnUrl];ksort($post_data);//body SM3$jsonstr=json_encode($post_data);echo 'BODY:'; var_dump($jsonstr);$sign=$sm3->digest($jsonstr,1);//Header SM2$post_data_apisign = array();$post_data_apisign["appid"]=$appid;$post_data_apisign["secret"]=$appsecret;$post_data_apisign["timestamp"]=$timestamp;$post_data_apisign["sign"]=$sign;//$apisign = Sign($post_data_apisign,$privateKey);//签名ksort($post_data_apisign);$post_data_apisign = ToUrlParams($post_data_apisign);$apisign = $sm2->doSign($post_data_apisign,$privateKey,'1234567812345678');$apisign = SM2_Asn1ToRaw($apisign);echo '
';$header = get_header_arr($sign,$apisign,$appid,$appsecret,$timestamp,$verify);var_dump($header);$result = curl_post($requert_url,$jsonstr,$header);var_dump($result);$result = json_decode($result,true);if($result['respCode'] == 'CMBMB99'){    header("location:{$result['sytUrl']}");}function ToUrlParams(array $array){    $buff = "";    foreach ($array as $k => $v)    {        if($v != "" && !is_array($v)){            $buff .= $k . "=" . $v . "&";        }    }    $buff = trim($buff, "&");    return $buff;}function SM2_Asn1ToRaw($apisign){    $apisign = hex2bin($apisign);    $bytes = array_values(unpack('C*', $apisign));    $pos = 3;    if ($bytes[$pos] == 32) {        $pos += 1;    } elseif ($bytes[$pos] == 33) {        $pos += 2;    }    $data = array_slice($bytes, $pos, 32);    $pos += 32;    $pos += 1;    if ($bytes[$pos] == 32) {        $pos += 1;    } elseif ($bytes[$pos] == 33) {        $pos += 2;    }    $data = array_merge($data, array_slice($bytes, $pos, 32));    $str = pack('C*', ...$data);    return bin2hex($str);}function curl_post($url,$params,$header){    $curl = curl_init();    curl_setopt($curl, CURLOPT_URL, $url);    curl_setopt($curl, CURLOPT_RETURNTRANSFER,1);    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);    curl_setopt ($curl, CURLOPT_CONNECTTIMEOUT, 30);    curl_setopt($curl, CURLOPT_CUSTOMREQUEST, "POST");    if(!empty($header)){        curl_setopt ( $curl, CURLOPT_HttpHEADER, $header );    }    if(is_array($params)){        $params = JSON_encode($params);    }    curl_setopt($curl, CURLOPT_POSTFIELDS,$params);    $data = curl_exec($curl);    $status = curl_getinfo($curl, CURLINFO_HTTP_CODE);    curl_close($curl);//关闭cURL会话    return $data;}

另外，很多人来问sm2和sm3的封装类再哪，百度、GitHub上面很多，下面给出一个一个地址，有需要自取，原封不动引入调用下就行：https://github.com/lpilp/phpsm2sm3sm4

来源地址：https://blog.csdn.net/liumengxiao2/article/details/125762051