微信支付服务商分账-请求单次分账

注意事项

服务商请求单次分账与普通商户请求单次分账的区别。¹

下预付单时 务必要添加 profit_sharing 为 Y 否则该笔订单不支持分账。 参考链接 https://pay.weixin.qq.com/wiki/doc/api/allocation.php?chapter=26_3

订单支付成功后不能立刻执行分账逻辑 要任务操作 大于订单支付时间1分钟以上 有QPS限制 建议做好日志警告

namespace app\api\lib\Weixin;

use think\Controller;

class Weixin extends Controller
{
    private $sep_url;                           // 单次分账请求URL
    private $mch_id;                            // 商户号
    private $appid;                             // 公众号appid
    private $mch_secrect;                       // 此处是商户key！！！

    function __construct()
    {
        $this->sep_url = 'https://api.mch.weixin.qq.com/secapi/pay/profitsharing';
        $this->mch_id = config('wechat.pay_config.mch_id');
        $this->appid = config('wechat.pay_config.app_id');
        $this->mch_secrect = config('wechat.pay_config.key');
    }

    /**
     * Notes: 请求单次分账
     * User: googol
     * Date: 2020-07-15
     * Time: 10:28
     * Url:
     * @param $transaction_id   微信支付交易单号
     * @param $out_order_no     商户系统内部的分账单号，在商户系统内部唯一（单次分账、多次分账、完结分账应使用不同的商户分账单号），同一分账单号多次请求等同一次。只能是数字、大小写字母_-|*@
     * @param $sub_mch_id       微信支付分配的子商户号
     */
    function requestsingleaccountsplitting($transaction_id, $out_order_no, $sub_mch_id)
    {
        $receivers = $this->receivers($out_order_no);
        if ($receivers['code'] == 0) return ['code' => '分账失败！'];
        $tmp_splitting_data = [
            'mch_id' => $this->mch_id,
            'sub_mch_id' => $sub_mch_id,    // 微信支付分配的子商户号
            'appid' => $this->appid,
            'sub_appid' => $this->appid,    // 微信分配的子商户公众账号ID
            'nonce_str' => $this->get_nonce_str(),
            'sign_type' => 'HMAC-SHA256',
            'transaction_id' => $transaction_id,
            'out_order_no' => $out_order_no,
            'receivers' => $receivers['res']
        ];
        $tmp_splitting_data['sign'] = $this->make_sign($tmp_splitting_data, $this->mch_secrect);
        $xml = $this->array_to_xml($tmp_splitting_data);
        $do_arr = $this->curl_post_ssl($this->sep_url, $xml);
        $result = $this->xml_to_array($do_arr);
        return $result;
    }

    /**
     * Notes: 获取随机数
     * @param int $length
     * @return string
     */
    private function get_nonce_str($length = 32)
    {
        $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
        $str = "";
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }

    /**
     * Notes: 获取分账详细列表信息
     * User: googol
     * @param $out_order_no     商户内部的分账单号
     */
    private function receivers($out_order_no)
    {

        /*CREATE TABLE `m_separateaccounts_order` (
          `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
          `trade` varchar(32) NOT NULL DEFAULT '' COMMENT '分账单号',
          `m_id` int(11) NOT NULL DEFAULT '0' COMMENT '机器id',
          `s_id` int(11) NOT NULL DEFAULT '0' COMMENT '店铺id',
          `agent_id` int(11) NOT NULL COMMENT '代理id',
          `account` varchar(64) NOT NULL DEFAULT '' COMMENT '分账接收openid',
          `agent_type` tinyint(1) NOT NULL DEFAULT '3' COMMENT '0平台 1一级代理 2二级代理',
          `proportion` int(5) NOT NULL DEFAULT '0' COMMENT '比例',
          `payment` decimal(12,2) NOT NULL DEFAULT '0.00' COMMENT '实际付款金额',
          `shareamount` int(11) NOT NULL DEFAULT '0' COMMENT '分得金额 分',
          `status` tinyint(1) NOT NULL DEFAULT '0' COMMENT '结算状态 0待分账 1已分账 2分账失败',
          `cdate` varchar(12) NOT NULL DEFAULT '' COMMENT '日期',
          `regdate` int(11) NOT NULL COMMENT '时间',
          `shareddate` int(11) NOT NULL DEFAULT '0' COMMENT '分账时间',
          PRIMARY KEY (`id`)
        ) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8 COMMENT='分账订单';*/

        $out_order = db('separateaccounts_order')
            ->where(['trade' => $out_order_no, 'status' => 0])
            ->field('payment, account, shareamount')
            ->select();
        if (!empty($out_order)) {
            $receivers_arr = [];
            foreach ($out_order as $key => $val) {
                $receivers_arr[$key]['type'] = 'PERSONAL_OPENID';
                $receivers_arr[$key]['account'] = $val['account'];
                $receivers_arr[$key]['amount'] = $val['shareamount'];
                $receivers_arr[$key]['description'] = 'Agency sub account.';
            }
            return ['code' => 1, 'res' => json_encode($receivers_arr)];
        }
        return ['code' => 0];
    }

    /**
     * Notes: 生成sign
     * @param $arr
     * @param $secret
     * @return string
     */
    private function make_sign($arr, $secret)
    {
        //签名步骤一：按字典序排序参数
        ksort($arr);
        $str = $this->to_url_params($arr);
        //签名步骤二：在str后加入KEY
        $str = $str . "&key=" . $secret;
        //签名步骤三：HMAC-SHA256 类型  加密的字符串 key是商户秘钥
        $str = hash_hmac('sha256', $str, $this->mch_secrect);
        //签名步骤四：所有字符转为大写
        $result = strtoupper($str);
        return $result;
    }

    /**
     * Notes: 数组转字符串
     * @param $arr
     * @return string
     */
    private function to_url_params($arr)
    {
        $str = "";
        foreach ($arr as $k => $v) {
            if (!empty($v) && ($k != 'sign')) {
                $str .= "$k" . "=" . $v . "&";
            }
        }
        $str = rtrim($str, "&");
        return $str;
    }

    /**
     * Notes: 数组转XML
     * @param $arr
     * @return string
     */
    private function array_to_xml($arr){
        $xml = '';
        foreach ($arr as $key => $val) {
            $xml.="<".$key.">$val.$key.">";
        }
        $xml.="";
        return $xml;
    }

    /**
     * Notes: XML转数组
     * @param $xml
     * @return mixed
     */
    private function xml_to_array($xml){
        libxml_disable_entity_loader(true);
        $arr= json_decode(json_encode(simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
        return $arr;
    }

    /**
     * Notes: POST 请求 此处不需要证书
     * @param $xml
     * @param $url
     * @param int $second
     * @return bool|string
     */
    function curl_post_ssl($url, $vars, $second = 30, $aHeader = array())
    {
        $isdir = __DIR__ . "/../../../../cert/";//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;
        }
    }
}

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1. 服务商添加分账方与普通商户添加分账方大致一致 只需要额外注意服务商分账需要服务商添加子商户的子商户号与公众账号ID ↩︎