merchant = $merchant; } /** * 支付 * @param array $params [ * 'openid'=>'支付者的openid', * 'out_trade_no'=>'商家合单支付总交易单号', * 'total_fee'=>'支付金额', * 'wx_out_trade_no'=>'商家交易单号', * 'body'=>'商品描述', * 'attach'=>'支付类型', //product 产品 member 会员 * ] * @param $isContract * @return mixed * @throws \GuzzleHttp\Exception\GuzzleException */ public function createorder($order) { $params = [ 'openid' => $order['openid'], // 支付者的openid 'combine_trade_no' => $order['out_trade_no'], // 商家合单支付总交易单号 'expire_time' => time() + $this->expire_time, 'sub_orders' => [ [ 'mchid' => $this->merchant->merchant_id, 'amount' => (int)$order['total_fee'], 'trade_no' => $order['out_trade_no'], 'description' => $order['body'] ] ] ]; return $this->parseJSON('post', [self::API_SET_CREATE_ORDER, json_encode($params)]); } /** * 退款 * @param array $params [ * 'openid'=>'退款者的openid', * 'trade_no'=>'商家交易单号', * 'transaction_id'=>'支付单号', * 'refund_no'=>'商家退款单号', * 'total_amount'=>'订单总金额', * 'refund_amount'=>'退款金额', //product 产品 member 会员 * ] * @return mixed * @throws \GuzzleHttp\Exception\GuzzleException */ public function refund($orderNo, $refundNo, $totalFee, $refundFee,$openId,$transactionId) { $params = [ 'openid' => $openId, 'mchid' => $this->merchant->merchant_id, 'trade_no' => $orderNo, 'transaction_id' => $transactionId, 'refund_no' => $refundNo, 'total_amount' => $totalFee, 'refund_amount' => $refundFee, ]; return $this->parseJSON('post', [self::API_SET_REFUND_ORDER, json_encode($params)]); } }