微信支付-》企业付款也可以增加个类上去，跟企业红包类似

[vcanson]

class EntMoney
{
/**
* 企业发送现金
*/
const API_SEND = 'https://api.mch.weixin.qq.com/mmpaymkttransfers/promotion/transfers';

public function send(array $data)
{
    $defaultParam['nonce_str'] = uniqid('pre_');
    $defaultParam['mchid'] = $this->business->mch_id;
    $defaultParam['mch_appid'] = $this->business->appid;

    //if ($type == self::TYPE_CASH_LUCK_MONEY) {
        $defaultParam['spbill_create_ip'] = $_SERVER['REMOTE_ADDR'];
    //}

    $defaultParam['check_name']='NO_CHECK';

    $param = array_merge($data, $defaultParam);
    $signGenerator = new SignGenerator($param);
    $me = $this;
    $signGenerator->onSortAfter(function (SignGenerator $that) use ($me) {
        $that->key = $me->business->mch_key;
    });

    $sign = $signGenerator->getResult();
    $param['sign'] = $sign;

    $request = XML::build($param);

    //设置Http使用的证书
    $options['sslcert_path'] = $this->business->getClientCert();
    $options['sslkey_path'] = $this->business->getClientKey();

    $http = new Http();


        $url = self::API_SEND;

    $response = $http->request($url, Http::POST, $request, $options);

    if (empty($response)) {
        throw new Exception('Send LuckMoney failed.');
    }

    $result = XML::parse($response);

    return $result;
}

/使用/
$business = new Business(
Config::get('wechat.app_id'),
Config::get('wechat.secret'),
Config::get('wechat.mch_id'),
Config::get('wechat.mch_key')
);
$business->setClientCert(Config::get('wechat.clientcert_path'));
$business->setClientKey(Config::get('wechat.clientkey_path'));

    $entMoney = new EntMoney($business);

    $entMoneyData['partner_trade_no'] = time();  //订单号
    $entMoneyData['openid'] = $custom->openid;  //企业付款接收者的openId
    $entMoneyData['check_name'] = 'NO_CHECK';  //是否核对真实姓名
    $entMoneyData['amount'] = floor($money);  //支付现金
    $entMoneyData['desc'] = '奖金支付给A企业员工';

    $result = $entMoney->send($entMoneyData);