'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(array $params) { $data = [ 'openid'=>$params['openid'], // 支付者的openid 'combine_trade_no'=>$params['out_trade_no'], // 商家合单支付总交易单号 'expire_time'=>time()+$this->expire_time, 'sub_orders'=>[ [ 'mchid'=>$this->app['config']['mch_id'], 'amount'=>(int)$params['total_fee'], 'trade_no'=>$params['out_trade_no'], 'description'=>$params['body'], ] ], ]; return $this->httpPostJson(self::API_SET_CREATE_ORDER, $data); } /** * 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 refundorder(array $params) { $data = [ 'openid'=>$params['openid'], 'mchid'=>$this->app['config']['mch_id'], 'trade_no'=>$params['trade_no'], 'transaction_id'=>$params['transaction_id'], 'refund_no'=>$params['refund_no'], 'total_amount'=>(int)$params['total_amount'], 'refund_amount'=>(int)$params['refund_amount'], ]; return $this->httpPostJson(self::API_SET_REFUND_ORDER, $data); } }