public function query($mchBillNo)
    {
        $params = [
            'appid'            => $this->merchant->app_id,
            'mch_id'           => $this->merchant->merchant_id,
            'partner_trade_no' => $mchBillNo,
        ];

        return $this->request(self::API_QUERY, $params);
    }
public function query($mchBillNo)
    {
        $params = [
            'appid'            => $this->merchant->app_id,
            'mch_id'           => $this->merchant->merchant_id,
            'partner_trade_no' => $mchBillNo,
        ];

        return $this->request(self::API_QUERY, $params);
    }
public function query ( $ mchBillNo ) { $ params = [ 'appid' => $ this -> merchant -> app_id , 'mch_id' => $ this -> merchant -> merchant_id , 'partner_trade_no' => $ mchBillNo , ] ; return $ this -> request ( self :: API_QUERY , $ params ) ; }
Query MerchantPay.

@param string $mchBillNo

@return \EntWeChat\Support\Collection

@notice mch_id when query, but mchid when send
Query MerchantPay .