微信服务商分账功能

服务分帐功能实现
1、开通服务商分帐功能
2、添加子商户
3、开始分账 需要先添加可分账用户才能分

注意点：

1、在支付的时候添加 profit_sharing = 'Y'
2、签名和请求参数的签名类型为 HMAC-SHA256
3、需要证书

* 服务商分账功能
*      
*/
   class wxDivideAccount
   {
     protected $CertPem = '/home/wwwroot/xixxxxm/comxxxmon/mch/apiclient_cert.pem';
     protected $KeyPem = '/home/wwwroot/xixxxxm/comxxxmon/mch/apiclient_key.pem';
     protected $key = 'lwLyC2AWYPwwewewt4ddkX2vhO5q'; //支付密钥key


       /*
           服务商分账

       */
       public function divideMoney()
       {
           $params = array();
           $params['mch_id'] = '1406xx6102'; //服务商mch_id
           $params['sub_mch_id'] = '1553xx6371';  //特约商户mch_id
           $params['appid'] = 'wx18dbxxx55773c05';  //服务商对应的appid
           $params['sub_appid'] = 'wx7814xxaddbeb8';  //对应的子appid
           $params['nonce_str'] = $this->createNoncestr();  
           $params['sign_type'] = 'HMAC-SHA256';
           $params['transaction_id'] = '4200000450201910195680876190'; //微信支付订单号
           $params['out_order_no'] = '157146517126_580624809017106007'; //交易订单号
           $receivers = array([
               'type'         => 'PERSONAL_SUB_OPENID',       
               'account'   => 'owf034yN-8MdAFNgaNm4qbxDw',  //sub_openid
               'amount'    => 20, 
               'description' => '分给推广员'
           ]);
           $params['receivers'] = json_encode($receivers); 
           $params['sign'] = $this->createSign($params);


           //把数组转化成xml格式
           $xmlData = $this->arrayToXml($params);
           $resXml = $this->postXmlCurl('https://api.mch.weixin.qq.com/secapi/pay/profitsharing',$xmlData,true); 
           $resXml = $this->xmlSafeStr(html_entity_decode($resXml));
           $resData = json_decode(json_encode(simplexml_load_string($resXml, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
           if($resData['return_code']=='SUCCESS' && $resData['result_code']=='SUCCESS') return true;
           write_log('分账失败，msg:'.$resData['return_msg'],'profitshare');
           return false;
       }

       //添加可分帐帐号
       public function profitSharingAddreceiver()
       {    
           $url = 'https://api.mch.weixin.qq.com/pay/profitsharingaddreceiver';
           $params = array();
           $params['mch_id'] = '1406xx6102'; //服务商mch_id
           $params['sub_mch_id'] = '1553xx6371';  //特约商户mch_id
           $params['appid'] = 'wx18dbxxx55773c05';  //服务商对就的appid
           $params['sub_appid'] = 'wx7814xxaddbeb8';  //对应的子appid
           $params['nonce_str'] = $this->createNoncestr();
           $params['sign_type'] = 'HMAC-SHA256';
           $receiver = [
               'type'         => 'PERSONAL_SUB_OPENID',
               'account'   => 'owf0349GNSmFBkvJpxlG-92N62ZM', 
               'relation_type' => 'DISTRIBUTOR'
           ];
           $params['receiver'] = json_encode($receiver);
           $params['sign'] = $this->createSign($params);

           //把数组转化成xml格式
           $xmlData = $this->arrayToXml($params);
           $resXml = $this->postXmlCurl($url,$xmlData,true); 
           $resData = json_decode(json_encode(simplexml_load_string($resXml, 'SimpleXMLElement', LIBXML_NOCDATA)), 1);
           if($resData['return_code']=='SUCCESS' && $resData['result_code']=='SUCCESS') return true;
           write_log('分账用户添加失败，msg:'.$resData['return_msg'],'profitshare');
           return false;
       }

       /*
           * 查询分账结果 
       */
       public function profitSharingQuery()
       {
           $url = 'https://api.mch.weixin.qq.com/pay/profitsharingquery';
           $params = array();
           $params['mch_id'] = '1406xx6102';
           $params['sub_mch_id'] = '1553xx6371';
           $params['nonce_str'] = $this->createNoncestr();
           $params['sign_type'] = 'HMAC-SHA256';
           $params['transaction_id'] = '4200000450201910195680876190';
           $params['out_order_no'] = '157146517126_580624809017106007';         
           $params['sign'] = $this->createSign($params);

           //把数组转化成xml格式
           $xmlData = $this->arrayToXml($params);
           $resXml = $this->postXmlCurl($url,$xmlData,true); 
           $resXml = $this->xmlSafeStr(html_entity_decode($resXml));
           $resData = json_decode(json_encode(simplexml_load_string($resXml, 'SimpleXMLElement', LIBXML_NOCDATA)), 1);    
           if($resData['return_code']=='SUCCESS' && $resData['result_code']=='SUCCESS') return true;
           write_log('分红查询 到账失败，msg:'.$resData['return_msg'],'profitshare');
           return false;
       }


       //生成签名
       private function createSign($params)
       {
           //签名步骤一：按字典序排序参数
           ksort($params);
           $String = $this->formatBizQueryParaMap($params, false);

           //签名步骤二：在string后加入KEY
           $String = $String."&key=".$this->key;

           //签名步骤三：加密方式HMAC-SHA256
           // $String = md5($String); 
           $String = hash_hmac("sha256", $String,$this->key);
           //签名步骤四：所有字符转为大写
           $result_ = strtoupper($String);

           return $result_;

       }

   //按字典序排序参数
   private function formatBizQueryParaMap($params,$urlencode=false)
   {
       ksort($params);
       $buff = '';
       foreach($params as $key=>$val)
       {
           $buff .= $key . "=" . $val . "&";
       }
       $reqPar = substr($buff, 0, strlen($buff)-1);
       return $reqPar;
   }


       //随机字符串
       private function createNoncestr($length=32)
       {
           $chars = 'abcdefghijklmnopqrstuvwxyz0123456789';
           $str = '';
           for($i=0;$i<$length;$i++){
               $str .= substr($chars, mt_rand(0, strlen($chars)-1), 1);
           }
           return $str;
       } 

       //将数组转换为xml格式 
       private function arrayToXml($arr)
       {
           $xml = "<xml>";
           foreach($arr as $key=>$val)
           {
               if(is_numeric($val))
                   $xml .= '<' . $key .'>' . $val . '</' . $key . '>';
               else
                   $xml .= "<".$key."><![CDATA[".$val."]]></".$key.">";
           }

           $xml .="</xml>";
           return $xml;
       }    


       private function postXmlCurl($url,$xml,$useCert=false, $second = 30) 
       {
           $ch = curl_init();
           //设置超时
           curl_setopt($ch, CURLOPT_TIMEOUT, $second);
           curl_setopt($ch, CURLOPT_URL, $url);
           curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
           curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE); //严格校验
           //设置header
           curl_setopt($ch, CURLOPT_HEADER, FALSE);
           //要求结果为字符串且输出到屏幕上
           curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);

           if($useCert)
           {
               //设置证书
               //使用证书：cert 与 key 分别属于两个.pem文件
               //默认格式为PEM，可以注释
               curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');
               curl_setopt($ch,CURLOPT_SSLCERT, $this->CertPem); 
               //默认格式为PEM，可以注释
               curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');
               curl_setopt($ch,CURLOPT_SSLKEY, $this->KeyPem);            
           }


           //post提交方式
           curl_setopt($ch, CURLOPT_POST, TRUE);
           curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);


           curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 20);
           curl_setopt($ch, CURLOPT_TIMEOUT, 40);
           set_time_limit(0);


           //运行curl
           $data = curl_exec($ch);
           //返回结果
           if ($data) {
               curl_close($ch);
               // write_log($data,'wxpay'); 
               return $data;
           } else {
               // var_dump($data);
               $error = curl_errno($ch);
               write_log("curl出错，错误码:$error",'wxpay'); 
               curl_close($ch);
               return false;
           }
       }

       /**
        * 过滤特殊字符
        * @param string $str
        * @return string
        */
       function xmlSafeStr($str)
       {   
           return preg_replace("/[\\x00-\\x08\\x0b-\\x0c\\x0e-\\x1f]/", '', $str); 
       }