php微信企业付款

class Wxtrans{    /**     * 以post方式提交xml到对应的接口url     *     * @param string $xml  需要post的xml数据     * @param string $url  url     * @param bool $useCert 是否需要证书，默认不需要     * @param int $second   url执行超时时间，默认30s     * @throws WxPayException     */    public function postXmlCurl($xml, $url, $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($ch,CURLOPT_SSL_VERIFYHOST,2);//严格校验        //        //设置header        curl_setopt($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);        $cpy_sslcert_path =  '../plugins/payment/weixin/wxtrans/apiclient_cert.pem';        $cpy_sslkey_path  =  '../plugins/payment/weixin/wxtrans/apiclient_key.pem';        if($useCert == true){            //设置证书            //使用证书：cert 与 key 分别属于两个.pem文件            curl_setopt($ch,CURLOPT_SSLCERTTYPE,'PEM');            curl_setopt($ch,CURLOPT_SSLCERT, $cpy_sslcert_path);            curl_setopt($ch,CURLOPT_SSLKEYTYPE,'PEM');            curl_setopt($ch,CURLOPT_SSLKEY, $cpy_sslkey_path);        }        //post提交方式        curl_setopt($ch, CURLOPT_POST, TRUE);        curl_setopt($ch, CURLOPT_POSTFIELDS, $xml);        //运行curl        $data = curl_exec($ch);//       if (curl_errno ( $ch )) {//           echo 'Errno' . curl_error ( $ch );//       }        //返回结果        if($data){            curl_close($ch);            return $data;        } else {            $error = curl_errno($ch);            curl_close($ch);            return false;        }    }    /**     *     作用：格式化参数，签名过程需要使用     */   public function formatBizQueryParaMap($paraMap, $urlencode)    {        $buff = "";        ksort($paraMap);        foreach ($paraMap as $k => $v)        {            if($urlencode)            {                $v = urlencode($v);            }            $buff .= $k . "=" . $v . "&";        }        $reqPar;        if (strlen($buff) > 0)        {            $reqPar = substr($buff, 0, strlen($buff)-1);        }        return $reqPar;    }    /**     *     作用：生成签名     *      $obj 数组     *      $key 商户key     */public function getSign($Obj){    foreach ($Obj as $k => $v){        $Parameters[$k] = $v;    }    ksort($Parameters);    $String = $this->formatBizQueryParaMap($Parameters, false);//方法如下    $key = config('APP_KEY');    $String = $String."&key=".$key;    $String = md5($String);    $result_ = strtoupper($String);    return $result_;}    public function getTrans($openid,$amount,$desc){        //封装数据        $cpy_appid = config('APP_APPID');                  //公众号appid        $cpy_mchid = config('APP_MCHID');                          //商户id        $cpy_nonce_str = $this->genRandomString();   //随机字符串        $cpy_order_str = $this->getordersn(); // 唯一订单号        $cpy_openid = $openid;       //公众号appid 所获取的用户openid        $ip = $_SERVER['SERVER_ADDR'];        $dataArr = array(            'mch_appid' => $cpy_appid,            'mchid' => $cpy_mchid,            'nonce_str' => $cpy_nonce_str,            'partner_trade_no' => $cpy_order_str,            'openid' => $cpy_openid,            'check_name' => 'NO_CHECK',            're_user_name' => 'test', //填写对应openid真实姓名            'amount' => $amount, //以分为单位,必须大于100            'desc' => $desc,            'spbill_create_ip' => $ip,        );//生成签名        $sign=$this->getSign($dataArr);        $xml = '<info>            <mch_appid>'.$dataArr['mch_appid'].'</mch_appid>            <mchid>'.$dataArr['mchid'].'</mchid>            <nonce_str>'.$dataArr['nonce_str'].'</nonce_str>            <partner_trade_no>'.$dataArr['partner_trade_no'].'</partner_trade_no>            <openid>'.$dataArr['openid'].'</openid>            <check_name>'.$dataArr['check_name'].'</check_name>            <re_user_name>'.$dataArr['re_user_name'].'</re_user_name>            <amount>'.$dataArr['amount'].'</amount>            <desc>'.$dataArr['desc'].'</desc>            <spbill_create_ip>'.$dataArr['spbill_create_ip'].'</spbill_create_ip>            <sign>'.$sign.'</sign>        </info>';        $url = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';        $data = $this->postXmlCurl($xml, $url, true);        return $this->xmlToArray($data);    }    function xmlToArray($xml){        //禁止引用外部xml实体        libxml_disable_entity_loader(true);        $xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);        $val = json_decode(json_encode($xmlstring),true);        return $val;    }    private function genRandomString($len = 32) {        $chars = array(            "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k",            "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v",            "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G",            "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R",            "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2",            "3", "4", "5", "6", "7", "8", "9"        );        $charsLen = count($chars) - 1;        // 将数组打乱        shuffle($chars);        $output = "";        for ($i = 0; $i < $len; $i++) {            $output .= $chars[mt_rand(0, $charsLen)];        }        return $output;    }//生成订单号    public function getordersn(){        $yCode = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J');        $orderSn = $yCode[intval(date('Y')) - 2011] . strtoupper(dechex(date('m'))) . date('d') . substr(time(), -5) . substr(microtime(), 2, 5) . sprintf('%02d', rand(0, 99));        return $orderSn;    }

}

然后直接gettrans即可！